JMTS: Jurnal Mitra Teknik Sipil
type: channel
description: Jurnal Mitra Teknik Sipil (E-ISSN 2622-545X) https://journal.untar.ac.id/index.php/jmts is a peer-reviewed journal which is published by Civil Engineering Undergraduate Program of Universitas Tarumanagara. All articles in Jurnal Mitra Teknik Sipil contain writing as the result from research and scientific studies in civil engineering field. Jurnal Mitra Teknik Sipil published every 3 months on February, May, August, and November.
publisher: Prodi Sarjana Teknik Sipil, FT, Universitas Tarumanagara
language: en-US
publication name: JMTS: Jurnal Mitra Teknik Sipil
issn: 2622-545X
copyright: This work is licensed under Jurnal Mitra Teknik Sipil (JMTS) Creative Commons Attribution-ShareAlike 4.0 International License.
items: ANALISIS PENGARUH BAKTERI BACILLUS SUBTILIS TERHADAP PARAMETER KUAT GESER PADA TANAH LANAU
items: PERENCANAAN SEAWALL MODIFIKASI POLDER BERBASIS SELF-CLOSING FLOOD BARRIER DAN SMART WATER SQUARES PADA KAWASAN PESISIR
items: PERBANDINGAN ESTIMASI DURASI PROYEK DENGAN METODE EARNED SCHEDULE DAN METODE EARNED DURATION MANAGEMENT
items: ANALISIS INTERAKSI STRUCTURE-SOIL-STRUCTURE PADA BASEMENT ADJACENT TERHADAP DEFLEKSI DINDING BASEMENT
items: ANALISIS STABILITAS DINDING PENAHAN TANAH TIPE MECHANICALLY STABILIZED EARTH (MSE) PADA JALAN LAYANG BANTAIAN SUMATERA SELATAN
items: ANALISIS PERKUATAN SOIL NAILING PADA LERENG SUNGAI CILIWUNG DI AREA LAPANGAN TEMBAK KOPASSUS CIJANTUNG
items: STUDI EKSPERIMENTAL PENGARUH RASIO TULANGAN LENTUR TERHADAP MEKANISME KERUNTUHAN BALOK BETON BERTULANG
items: PREDIKSI PENURUNAN BANGUNAN TINGGI YANG BERLOKASI DI JAKARTA UTARA
items: PENGARUH PERUBAHAN SUHU TERHADAP NILAI HUMIDITY MATERIAL FLY ASH PADA KONDISI ROOM TEMPERATURE
items: EVALUASI DAMPAK GETARAN TANAH AKIBAT PEKERJAAN FONDASI TIANG BOR TERHADAP BANGUNAN CAGAR BUDAYA
items: PENGARUH SERAT TEHADAP MODULUS ELASTISITAS BETON TANPA AGREGAT KASAR
items: PENGARUH PENAMBAHAN SERAT BARCHIP 48 DALAM PENGUJIAN KUAT TARIK LENTUR DAN KUAT TEKAN BETON
items: PENERAPAN METODE DESAIN GESER BETON BERTULANG ALTERNATIF DENGAN ACI 318 DAN MCFT AASHTO
items: KOMPARASI AKSIAL TIANG PANCANG DENGAN METODE EMPIRIS DAN INTEPRETASI LOADING TEST PROYEK DI DUA LOKASI
items: PENGEMBANGAN KARET EBONIT SEBAGAI BAHAN DASAR SISTEM ISOLASI DASAR UNTUK MENGURANGI DAMPAK GEMPA BUMI
items: ANALISIS PERBANDINGAN KELAYAKAN INVESTASI PEMBANGUNAN APARTEMEN X DI TANGERANG, BANTEN
items: ANALISIS KAPASITAS TORSI BALOK L SPANDREL BETON BERTULANG TERHADAP VARIASI LEMBARAN SERAT KARBON
items: ANALISIS PERUBAHAN NILAI MODULUS ELASTISITAS AKIBAT PENAMBAHAN CAMPURAN KAPUR TOHOR
items: PENENTUAN PRIORITAS GENANGAN DENGAN PERATURAN MENTERI PUPR NO.12 TAHUN 2014 DI KELURAHAN GELAM JAYA
items: DAMPAK PENGGUNAAN AMPAS KOPI TERHADAP KUAT TEKAN DAN DAYA SERAP AIR PAVING BLOCK
items: PARAMETER IDENTIFICATION OF Cc IN SOFT SOIL THROUGH BACK ANALYSIS OF VACUUM PRELOADING
items: INVESTIGASI PEMANFAATAN LIMBAH BATU DAN SERBUK MARMER SEBAGAI SUBSTITUSI AGREGAT PADA PERKERASAN KAKU
items: ANALISIS POTENSI LIKUIFAKSI DAN PENURUNAN TANAH BERDASARKAN PENEMPATAN FONDASI DANGKAL DI KABUPATEN WAKATOBI
items: STUDI PERUBAHAN NILAI MODULUS ELASTISITAS PADA TANAH EKSPANSIF AKIBAT PENAMBAHAN ABU TERBANG
items: PENGARUH EFEK TEBAL PELAT TERHADAP KONDISI DIAFRAGMA BERDASARKAN INDEKS FLEKSIBILITAS
items: STATISTICAL CORRECTION OF A DYNAMIC PILE BEARING CAPACITY FORMULA BASED ON PDA DATA
items: ANALISIS PERILAKU SEISMIK PADA BANGUNAN TINGGI BETON BERTULANG DENGAN VARIASI POSISI OUTRIGGER DAN BELT TRUSS
items: ANALISIS PENGGUNAAN TRANSPORTASI SUNGAI DI WILAYAH MAHAKAM ULU
items: STUDI KEBUTUHAN MASYARAKAT TERHADAP BUS SEKOLAH DI KOTA SORONG
items: ANALISIS LIKUEFAKSI PADA LAPISAN TANAH BERPASIR DI LOKASI PROYEK PABRIK, GRESIK, JAWA TIMUR
items: ANALISIS KEBUTUHAN LAHAN PARKIR UNTUK RENCANA PEMBANGUNAN GEDUNG PARKIR DI WILAYAH SANTERA DELAPONTE
items: STUDI PERBANDINGAN BIAYA-MANFAAT RETROFITTING STRUKTUR BANGUNAN EKSISTING BERDASARKAN TIER 1 ANALYSIS ASCE 41-17
items: ESTIMASI RENCANA ANGGARAN BIAYA (RAB) DENGAN KONSEP BUILDING INFORMATION MODELING (BIM) 3D
items: ANALISIS PENYEBAB PEMBENGKAKAN BIAYA PADA PROYEK KONSTRUKSI RUMAH TINGGAL X
items: EVALUASI EFEKTIVITAS PENGATURAN LALU LINTAS PADA SIMPANG BERSINYAL DI KOTA SORONG
items: ANALISIS PERBANDINGAN METODE EARNED VALUE MANAGEMENT DAN EARNED SCHEDULE PADA PROYEK PEMBANGUNAN DAN RENOVASI RUMAH
items: ANALYSIS OF LOAD TRANSFER PLATFORM THICKNESS ON LOAD TRANSFER EFFECTIVENESS AND ROAD STABILITY IN SOFT SOIL
items: Redaksi Vol. 8 No. 3
items: Kata Pengantar Vol. 8 No. 3
items: Daftar Isi Vol. 8 No. 3

ANALISIS PENGARUH BAKTERI BACILLUS SUBTILIS TERHADAP PARAMETER KUAT GESER PADA TANAH LANAU
type: item
description: In some cases, the land used to erect a building has soil that does not have a bearing capacity that is suitable for the building to be erected. Therefore, the use of additives is sometimes necessary to increase the bearing capacity value of the soil. One type of additive that can be used is bacteria. However, only some bacteria can be used to increase the bearing capacity of the soil. An example of bacteria that can be used is Bacillus Subtilis, which is a gram-positive bacteria that is rod-shaped and one-celled. In general, bacteria that are given to the soil need to be tended to so that the bacteria can work optimally. After the soil has been cured, the soil can be tested through the Unconfined Compression Test (UCT) or free compressive strength test to obtain the shear strength parameter of soil. The results of this study prove that the use of Bacillus subtilis bacteria can significantly increase soil shear strength, with the maximum increase reaching 276,89% at a concentration of 8% and a 15-day curing period. However, after 25 days, there was a decrease in soil strength due to reduced bacterial activity caused by limited nutrients in the soil. Abstrak Pada beberapa kasus, lahan yang digunakan untuk mendirikan sebuah bangunan memiliki tanah yang bersifat lembek atau tidak memiliki daya dukung yang sesuai dengan bangunan yang akan didirikan. Maka dari itu, penggunaan zat aditif terkadang diperlukan untuk meningkatkan nilai daya dukung dari tanah di lapangan. Salah satu jenis zat aditif yang dapat digunakan adalah bakteri. Namun tidak sembarang bakteri yang digunakan untuk meningkatkan daya dukung tanah. Salah satu contoh bakteri yang dapat digunakan adalah Bacillus Subtilis, dimana bakteri ini adalah bakteri gram positif yang berbentuk batang dan bersel satu. Pada umumnya, bakteri yang diberikan kepada tanah perlu didiamkan terlebih dahulu atau diperam agar bakteri dapat bekerja dengan maksimal. Setelah tanah diperam dalam waktu yang telah ditetapkan sebelumnya,…
creator: Fernando Valentino Ritung
creator: Andryan Suhendra
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 609
ending page: 620
doi: 10.24912/jmts.v8i3.34210

PERENCANAAN SEAWALL MODIFIKASI POLDER BERBASIS SELF-CLOSING FLOOD BARRIER DAN SMART WATER SQUARES PADA KAWASAN PESISIR
type: item
description: Global climate change, rising temperatures, and rising sea levels are major challenges today. Based on data from the WMO and European Union climate monitors, global temperatures have exceeded the 1.5°C threshold. Without immediate action, the impacts of climate change in coastal areas will become increasingly difficult to address, threatening the well-being of future generations. The IPCC report (2021) predicts a sea level rise of 0.29 to 0.59 meters by 2100, which will impact coastal areas, including Indonesia, with the potential for annual flash flooding by 2050. This research aims to develop innovative solutions to overcome the impact of sea level rise due to glacier melting, namely in the form of planning and Seawall design analysis with modification of polder based on self-closing flood barriers and smart water squares. The method used is research & development with Stanford's design-thinking approach, which includes analyze, define, design, implementation, and evaluation. The result is the planning and design of Seawall ideas with modifications of polder based on self-closing flood barriers and smart water squares. The system combines automatic flood closure gate technology and design for water intake, recreation, and stormwater management, to improve the protection, sustainability of ecosystems, and the quality of life of coastal communities. This research is expected to overcome the impact of sea level rise and tidal flooding, as well as strengthen resilience to climate change in coastal areas. Abstrak Perubahan iklim global, peningkatan suhu, dan kenaikan permukaan air laut merupakan tantangan besar saat ini. Berdasarkan data WMO dan pemantau iklim Uni Eropa, suhu global telah melebihi ambang batas 1,5°C. Tanpa tindakan segera, dampak perubahan iklim di wilayah pesisir akan semakin sulit diatasi, mengancam kesejahteraan generasi mendatang. Laporan IPCC (2021) memperkirakan kenaikan permukaan laut 0,29 hingga 0,59 meter pada 2100, yang akan berdampak pada wi…
creator: Hafif Ahmad Abdul Aziz
creator: Laura Angelina Aprilianta Eka Putri
creator: Wendik Setiawan
creator: Vita Ayu Kusuma Dewi
creator: Mega Septia Sarda Dewi
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 621
ending page: 634
doi: 10.24912/jmts.v8i3.33820

PERBANDINGAN ESTIMASI DURASI PROYEK DENGAN METODE EARNED SCHEDULE DAN METODE EARNED DURATION MANAGEMENT
type: item
description: Work schedules are often used as a reference in construction projects as part of good initial planning. From the schedule data, contractors can estimate the final duration of the project and monitor its performance over time. Although the Earned Value Management (EVM) method is commonly used, its accuracy in predicting project duration is often questioned. Therefore, the Earned Schedule (ES) and Earned Duration Management (EDM) methods can serve as better alternatives. This research aims to compare the project duration predictions using the ES and EDM methods on two structural construction projects, labeled as Project A and Project B. The accuracy of each method is evaluated using the Mean Absolute Percentage Error (MAPE). The findings reveal that ES provides easier data acquisition than EDM, and among the tested methods, ESM-SPI(t) shows the highest prediction accuracy with an average error value close to 0%. This makes it suitable for predicting the duration of low-rise (2-4 storey) residential construction projects. Abstrak Jadwal kerja sering digunakan sebagai acuan dalam proyek konstruksi sebagai bagian dari perencanaan awal yang baik. Data penjadwalan digunakan oleh kontraktor untuk memperkirakan durasi akhir proyek dan memantau kinerjanya dari waktu ke waktu. Metode Earned Value Management (EVM) memang sering digunakan, namun akurasinya dalam mengestimasi durasi proyek sering dipertanyakan. Hal ini menyebabkan metode Earned Schedule (ES) dan Earned Duration Management (EDM) dapat menjadi alternatif yang lebih baik. Penelitian ini bertujuan untuk membandingkan estimasi durasi proyek menggunakan metode ES dan EDM pada dua proyek konstruksi struktur, yaitu Proyek A dan Proyek B. Keakuratan masing-masing metode dievaluasi menggunakan Mean Absolute Percentage Error (MAPE). Temuan penelitian menunjukkan bahwa pengumpulan data untuk metode ES lebih mudah dibandingkan EDM. Pengujian metode untuk ESM-SPI(t) menunjukkan tingkat akurasi estimasi tertinggi dengan nilai k…
creator: Wilsen Hartanto Lim
creator: Onnyxiforus Gondokusumo
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 635
ending page: 644
doi: 10.24912/jmts.v8i3.32095

ANALISIS INTERAKSI STRUCTURE-SOIL-STRUCTURE PADA BASEMENT ADJACENT TERHADAP DEFLEKSI DINDING BASEMENT
type: item
description: Basement structure becomes an alternative in optimizing land use on urban cities. In a basement structure, there are lots of components that must be considered, from soil behavior and conditions around the structure, to designing of retaining walls that can handle appropriate loads. This research is done to analyze the effect of adjacent basement with variety of distance and depth of the adjacent basement. Analysis was done by finite element with help of finite element software Midas GTS NX. Using nonlinear analysis to determine the effects of distance and depth on deflection. The bigger the distance of the adjacent basement, the bigger the deflection of the existing basement. If the adjacent basement level is above the existing basement, it adds on the deflection of the existing basement away from adjacent basement. If the adjacent basement level is below the existing basement, it drags the deflection of the existing basement towards the adjacent basement. Abstrak Struktur basement menjadi alternatif dalam menggunakan tanah yang terbatas pada kota-kota metropolitan. Dalam suatu konstruksi struktur basement banyak komponen yang harus diperhatikan, mulai dari perilaku tanah dan kondisi tanah disekitar, hingga desain dinding penahan tanah yang sesuai untuk menahan beban yang ditahan. Penelitian ini dilakukan dengan menganalisa efek dari keberadaan struktur basement lain yang berdekatan dan dilakukan variasi pada jarak dan kedalamannya. Analisis dilakukan melalui elemen hingga dengan bantuan perangkat lunak Midas GTS NX. Menggunakan analisis nonlinear untuk menentukan efek jarak dan kedalaman pada defleksi basement eksisting. Semakin besar jarak antar basement, semakin besar defleksi yang terjadi pada basement eksisting. Jika basement berada pada kedalaman diatas basement eksisting, defleksi yang terjadi semakin besar menjauhi basement adjacent. Jika level basement adjacent berada dibawah basement eksisting, maka defleksi yang terjadi mendekati basement adjacent.
creator: Steven Gusanto
creator: Alfred Jonathan Susilo
creator: Sunarjo Leman
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 645
ending page: 658
doi: 10.24912/jmts.v8i3.34219

ANALISIS STABILITAS DINDING PENAHAN TANAH TIPE MECHANICALLY STABILIZED EARTH (MSE) PADA JALAN LAYANG BANTAIAN SUMATERA SELATAN
type: item
description: Mechanically Stabilized Earth (MSE) walls are an effective solution for improving the stability of vertical slope in civil infrastructure projects. This study aims to back-calculate the external and internal stability of MSE walls constructed behind the elevated part of a Flyover Bantaian in Muara Enim Regency, South Sumatra. Subsequently, the optimum design was proposed in terms of the required tensile strength and pull-out resistance of the reinforcement. Analytical and numerical analyses were adopted in this study. The results indicate that the MSE wall is safe against both external and internal failures under both static and seismic loads. The obtained safety factors comply with the SNI 8460-2017 standard. The MSE wall used geogrids with an initial tensile strength (Tu) of 100 kN/m as reinforcement. However, this study suggested that the minimum required tensile strength of the geogrid is 38.79 kN/m. This study contributes to optimizing design and reinforcement material selection to enhance the efficiency and safety of MSE wall structures. Abstrak Dinding penahan Mechanically Stabilized Earth (MSE) merupakan solusi efektif untuk meningkatkan stabilitas timbunan tanah pada proyek infrastruktur sipil. Penelitian ini bertujuan untuk menghitung kembali stabilitas eksternal dan internal dinding MSE yang dibangun di belakang bagian yang ditinggikan pada jalan layang Bantaian di Kabupaten Muara Enim, Sumatera Selatan. Selanjutnya desain optimum diusulkan dalam hal kekuatan tarik dan ketahanan terhadap cabutan (pull-out) bahan perkuatan. Analisis analitis dan numerik diadopsi dalam penelitian ini. Hasilnya menunjukkan bahwa dinding MSE aman terhadap kegagalan eksternal dan internal, baik di bawah beban statis maupun seismik. Faktor keamanan yang diperoleh mematuhi standar SNI 8460-2017. Dalam hal ini, dinding MSE menggunakan geogrid dengan kekuatan Tarik awal (Tu) 100 kN/m sebagai perkuatan. Namun, penelitian ini menunjukkan bahwa geogrid dengan kekuatan tarik minimum 3…
creator: Erwin Ansori
creator: Nurly Gofar
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 659
ending page: 670
doi: 10.24912/jmts.v8i3.33489

ANALISIS PERKUATAN SOIL NAILING PADA LERENG SUNGAI CILIWUNG DI AREA LAPANGAN TEMBAK KOPASSUS CIJANTUNG
type: item
description: This study analyses the slope stability of Ciliwung Riverside in the Kopassus shooting range area, where signs of landslides occurred i.e. broken fence and road pavement on top of the slope. The purpose of this research is to evaluate the slope's safety factor (SF) before and after reinforcement with soil nailing, as well as to examine the effect of variations in length, spacing, and soil nailing’s diameter on the slope's SF. The stability analysis is conducted using the limit equilibrium method through a computer program The slope's SF before reinforcement was 1.16 ≤ 1,5, indicating the need for additional reinforcement. Out of 125 soil nailing variations tested, 61 variations achieved a static SF ≥ 1,5 (ranging from 1,50 to 1,67) and an earthquake SF ≥ 1,1 (ranging from 1,17 to 1,29). The results showed that increasing the borehole diameter and nail length increases the SF, while increasing the nail spacing decreases the SF. The optimal combination was obtained at spacing of 2 meters, nail length of 11 meters, and diameter of 175 mm, resulting in a total nail length of 39 m/m and grout volume of 0,93 m³/m, with a static SF of 1,54 and an earthquake SF of 1,19. Abstrak Penelitian ini menganalisis stabilitas lereng di area lapangan tembak Kopassus, yang mengalami indikasi kelongsoran berupa kerusakan pagar dan jalan aspal di atas kepala lereng. Tujuan penelitian ini adalah untuk mengevaluasi safety factor (SF) lereng sebelum dan setelah diperkuat dengan soil nailing, dan mengkaji pengaruh variasi panjang, jarak spasi, serta diameter soil nailing terhadap nilai SF lereng. Analisis stabilitas dilakukan dengan menggunakan metode limit equilibrium melalui program komputer. Dari analisis didapatkan bahwa SF lereng sebelum perkuatan adalah 1,16 ≤ 1,5. Kondisi ini menunjukkan bahwa lereng memerlukan perkuatan tambahan. Dari 125 variasi soil nailing yang diuji, 61 variasi memiliki SF statik ≥ 1,5 (antara 1,50 hingga 1,67) dan SF gempa ≥ 1,1 (antara 1,17 hingga 1,29). Hasil …
creator: Abi Maulana Hakim
creator: Muhammad Rifan
creator: Andhika Sahadewa
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 671
ending page: 684
doi: 10.24912/jmts.v8i3.32627

STUDI EKSPERIMENTAL PENGARUH RASIO TULANGAN LENTUR TERHADAP MEKANISME KERUNTUHAN BALOK BETON BERTULANG
type: item
description: Reinforced concrete is a composite material that utilizes concrete and steel to resist tensile and flexural forces. However, the reinforcement ratio used in reinforced concrete beams significantly affects the strength, deformation, and failure patterns of the structure. This study aims to analyze the influence of reinforcement ratio on the failure behavior of reinforced concrete beams under under-reinforced, balanced-reinforced, and over-reinforced conditions. The research was conducted through laboratory experiments involving flexural testing on beams with varying reinforcement ratios. Each beam was tested using a two-point loading method to evaluate the load-deflection relationship and observe crack patterns during the testing process. Data analysis was carried out by comparing the failure behavior among the three reinforcement conditions to determine how the reinforcement ratio affects structural failure. The results showed that over-reinforced beams tended to experience more rapid and significant shear failure, exhibiting brittle behavior. Balanced-reinforced beams showed a more balanced occurrence of shear and flexural cracks, but the dominant failure mechanism remained shear. Meanwhile, under-reinforced beams experienced earlier failure, but with a more ductile behavior and a flexural failure mode. These findings emphasize that the selection of flexural reinforcement ratio should consider the balance between flexural and shear capacity, ductility, and the expected failure mechanism to ensure good structural performance under extreme loading. Abstrak Beton bertulang merupakan material komposit yang memanfaatkan beton dan baja tulangan untuk menahan gaya tarik dan lentur. Namun, rasio tulangan yang digunakan pada balok beton bertulang sangat memengaruhi kekuatan, deformasi, dan pola keruntuhan struktur. Penelitian ini bertujuan untuk menganalisis pengaruh rasio tulangan terhadap perilaku keruntuhan pada balok beton bertulang dalam kondisi under reinforced, balan…
creator: Muhammad Ishomuddin Wahid
creator: Elvis Saputra
creator: Muchamad Amirul Yachya
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 685
ending page: 696
doi: 10.24912/jmts.v8i3.33599

PREDIKSI PENURUNAN BANGUNAN TINGGI YANG BERLOKASI DI JAKARTA UTARA
type: item
description: Buildings can experience land subsidence caused by immediate settlement due to loading and consolidation. Land subsidence is a natural phenomenon and requires attention in areas around the coast or alluvial plains because the soil is very soft. Pile foundations are part of the construction that functions to transfer the load from the construction above to the hard soil layer that is very deep. This study discusses the settlement of the high-rise building studied located in the North Jakarta area. Data collection of soil, buildings and foundations was carried out and then analyzed using a 3D analysis program (finite difference method). The analysis was carried out to determine the amount of settlement that will occur and how long the settlement will continue. The settlement of the pile group foundation in this study was caused by elastic compression of the piles and consolidation settlement. The time required to reach 90% consolidation was 110961 days or 308 years from the beginning of the project period. The settlement that occurred when the building was completed was 1231.54 mm, during the 100-year project period was 2214.65 mm, and the largest settlement was when the soil was 90% consolidated at 2676.11 mm. Abstrak Bangunan dapat mengalami penurunan tanah yang disebabkan oleh penurunan segera akibat pembebanan dan konsolidasi. Penurunan tanah merupakan suatu fenomena alam dan perlu perhatian di daerah sekitar pantai atau dataran alluvial karena tanahnya sangat lunak. Fondasi tiang pancang merupakan bagian konstruksi yang berfungsi untuk mentransfer beban dari konstruksi di atasnya ke lapisan tanah keras yang letaknya sangat dalam. Penelitian ini membahas mengenai penurunan bangunan tinggi yang diteliti terletak di kawasan Jakarta Utara. Pengumpulan data tanah, bangunan dan fondasi dilakukan untuk kemudian dianalisis dengan bantuan program analisis 3D (metode beda hingga). Analisis dilakukan untuk mencari besarnya penurunan yang akan terjadi dan sampai kapan penuru…
creator: Meli Susiyanti
creator: Hendy Wijaya
creator: Ali Iskandar
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 697
ending page: 708
doi: 10.24912/jmts.v8i3.20389

PENGARUH PERUBAHAN SUHU TERHADAP NILAI HUMIDITY MATERIAL FLY ASH PADA KONDISI ROOM TEMPERATURE
type: item
description: Fly ash is a non-B3 waste resulting from the combustion of coal as the main fuel for Steam Power Plants (PLTU). The use of fly ash is used as a reuse material to optimize the utilization of fly ash and increase the use of waste. This study aims to analyze the physical parameters, namely humidity in a range of temperature changes and its relationship with fly ash moisture content both in the stockpile area and at room temperature conditions in the laboratory. The research location was in the coal mining area, Tanjung Selor, North Kalimantan. Research studies on fly ash material show that humidity is directly proportional to water content and humidity is inversely proportional to temperature. The higher the fly ash temperature, the lower the humidity and the lower the fly ash temperature, the higher the humidity. The humidity value is affected by changes in temperature and test location and the water content value is affected by the humidity value. Field data shows that in the fly ash temperature range: 32˚C - 36˚C, the humidity value is 80% - 87%. Laboratory data shows that in the temperature range of fly ash: 27˚C - 31˚C, the humidity value is 83% - 89%. Abstrak Fly ash (abu terbang) merupakan limbah non-B3 hasil dari pembakaran batubara sebagai bahan bakar utama Pembangkit Listrik Tenaga Uap (PLTU). Penggunaan fly ash digunakan sebagai reuse material untuk pemanfaatan fly ash secara optimalisasi dan meningkatkan penggunaan limbah. Penelitian ini bertujuan untuk menganalisa parameter fisik yaitu humidity pada suatu rentang perubahan suhu serta hubungannya dengan kadar air fly ash baik di area stockpile maupun pada kondisi room temperature di laboratorium. Lokasi penelitian dilakukan di area pertambangan batubara, Tanjung Selor, Kalimantan Utara. Kajian penelitian terhadap material fly ash menunjukkan bahwa humidity berbanding lurus dengan water content dan humidity berbanding terbalik dengan suhu. Suhu fly ash semakin tinggi maka humidity semakin rendah dan suhu fly…
creator: Deananta Julliana Pinangkaan
creator: Andrias Suhendra Nugraha
creator: Brance Kambuaya
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 709
ending page: 718
doi: 10.24912/jmts.v8i3.33858

EVALUASI DAMPAK GETARAN TANAH AKIBAT PEKERJAAN FONDASI TIANG BOR TERHADAP BANGUNAN CAGAR BUDAYA
type: item
description: Bored pile penetration in construction projects in densely populated areas needs to be considered because it has the potential to cause vibrations that can be transmitted to surrounding buildings. The intensity of the vibration decreases with increasing distance from the vibration source. Mitigation of the risk of structural failure is assessed using vibration intensity, commonly called Peak Particle Velocity (PPV). The PPV value must not exceed the value set by the Indonesian National Standard (SNI), hoping not to damage surrounding buildings. This study analyzes the PPV value due to bored pile penetration in a 7-story building project in Yogyakarta, against the nearest cultural heritage building, empirically. The PPV value is compared to the limit value set by SNI 7571:2010 to determine the vibration influence zone and its mitigation. Deformation of the soil caused by vibrations during bored pile penetration is also calculated for a certain distance from the vibration source. The results of the study showed that ground vibrations due to bored pile foundation work that is safe according to SNI are at a minimum distance of 44.70 meters from the vibration center if using a bored pile rotary speed of 8 rpm/minute, and a minimum distance of 95 meters from the vibration center if using a bored pile rotary speed of 36 rpm/minute. Within this distance, the capacity of the drilling machine used is too large for this project because it produces a PPV greater than the standard set by SNI and can damage nearby cultural heritage. The analysis shows that ground deformation caused by vibrations does not significantly impact surrounding structures. Abstrak Penetrasi tiang bor pada proyek konstruksi di daerah padat penduduk perlu menjadi perhatian karena berpotensi menimbulkan getaran yang dapat ditransmisikan pada bangunan di sekitarnya. Intensitas getaran tersebut semakin berkurang seiring bertambahnya jarak dari sumber getaran. Mitigasi resiko kegagalan struktur, dinilai dengan…
creator: Vienti Hadsari
creator: Sumiyati Gunawan
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 719
ending page: 728
doi: 10.24912/jmts.v8i3.34048

PENGARUH SERAT TEHADAP MODULUS ELASTISITAS BETON TANPA AGREGAT KASAR
type: item
description: Concrete is a primary material in modern construction due to its ability to withstand compressive loads. However, elasticity is also a crucial factor in maintaining structural stability under dynamic loads. One innovation to improve concrete quality is the use of Reactive Powder Concrete (RPC), a type of concrete without coarse aggregate, composed of ultra-fine materials and reinforced with steel fibers. This study aims to evaluate the mechanical properties of RPC, particularly the modulus of elasticity and compressive strength, in steel fiber-reinforced concrete without coarse aggregate. Six cylindrical specimens measuring 150 mm × 300 mm were prepared using a mix of OPC cement, silica sand, silica fume, superplasticizer, marble powder, water, and steel fibers. All samples underwent 28 days of steam curing before being tested using a Universal Testing Machine (UTM). The compressive strength results ranged from 62.90 MPa to 98.91 MPa, while the modulus of elasticity ranged from 44,711.5064 MPa to 54,951.6954 MPa. The results formed a non-linear curve. Abstrak Beton merupakan material utama dalam konstruksi modern karena kemampuannya menahan beban tekan. Namun, elastisitas juga menjadi faktor penting dalam menjaga stabilitas struktur terhadap beban dinamis. Salah satu inovasi untuk meningkatkan mutu beton adalah penggunaan reactive powder concrete (RPC), yaitu beton tanpa agregat kasar yang terdiri dari material berukuran sangat halus dan diperkuat dengan serat baja. Penelitian ini bertujuan untuk mengevaluasi sifat mekanik RPC, khususnya modulus elastisitas dan kuat tekan, pada beton berserat baja tanpa agregat kasar. Sebanyak enam benda uji berbentuk silinder berukuran 150 mm × 300 mm dibuat menggunakan campuran semen OPC, pasir silika, silica fume, superplasticizer, tepung marmer, air, dan serat baja. Seluruh sampel menjalani perawatan menggunakan metode steam curing selama 28 hari, kemudian diuji dengan Universal Testing Machine (UTM). Hasil pengujian tekan yang …
creator: Daniel Christianto
creator: Yenny Untari Liucius
creator: Patrick Matthew Handoyo
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 729
ending page: 736
doi: 10.24912/jmts.v8i3.34131

PENGARUH PENAMBAHAN SERAT BARCHIP 48 DALAM PENGUJIAN KUAT TARIK LENTUR DAN KUAT TEKAN BETON
type: item
description: Concrete has high compressive strength, but is weak against tensile or flexural forces. Therefore, concrete is often reinforced with additional materials such as steel reinforcement or fiber to increase its flexural strength. In this study, concrete was added with polypropylene fiber in the form of BarChip with a length of 48 mm and a diameter of 0.3 mm in an effort to increase its flexural strength. Variations of BarChip fiber added 2%, 5%, and 7% of the weight of the concrete, the test object was made in the form of a block measuring 400 mm x 100 mm x 100 mm as a flexural test object and a cylinder measuring 100 mm x 200 mm as a compression test object, the maintenance technique used the immersion method with a temperature of 20ºC, the test was carried out at the age of 28 days. The test results showed that the addition of 4 kg of BarChip fiber per m3 could increase the flexural strength by 48.8%. The more BarChip fiber added, the lower the workability of the mixture. The flexural strength results obtained were 4.1 MPa, 4.6 MPa, 5.3 MPa, and 6.1 MPa, while the compressive strengths obtained respectively were 22.1 MPa, 21.6 MPa, 18.4 MPa, and 16.7 MPa. Abstrak Beton memiliki kekuatan tekan yang tinggi, tetapi lemah terhadap gaya tarik atau lentur. Oleh karena itu, beton sering diperkuat dengan bahan tambahan seperti tulangan baja atau serat untuk meningkatkan kekuatan lenturnya. Pada penelitian ini beton di tambahkan bahan berupa serat polypropilena berbentuk BarChip dengan panjang 48 mm dan diameter 0,3 mm dalam upaya menaikan kuat lentur nya. Variasi serat BarChip yang di tambahkan 2%, 5%, dan 7% dari berat betonya, benda uji di buat dalam bentuk balok berukuran 400 mm x 100 mm x 100 mm sebagai benda uji lentur dan silinder berukuran 100 mm x 200 mm sebagai benda uji tekan, teknik pemeliharaan menggunakan metode perendaman dengan temperatru 20ºC, pengujian di lakukan pada umur 28 hari. Hasil pengujian menunjukan penambahan serat BarChip sebanyak 4 kg per m3 dapat…
creator: Laurensius Evan Suryana
creator: Widodo Kushartomo
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 737
ending page: 746
doi: 10.24912/jmts.v8i3.34136

PENERAPAN METODE DESAIN GESER BETON BERTULANG ALTERNATIF DENGAN ACI 318 DAN MCFT AASHTO
type: item
description: Currently, reinforced concrete shear designs in Indonesia are based on ACI 318M-14 and has not followed ACI 318M-19. As an alternative, modified compression field theory (MCFT) can also be used for reinforced concrete shear design. In this study, simple and continuous beams with uniform and concentrated loads will be analyzed using the ACI 318M-14, ACI 318M-19, and MCFT AASHTO LRFD Bridge Design Specification (BDS) 2020 shear design methods. Compared to the ACI 318M-14 method, the ACI 318M-19 method provides lower shear strength when minimum transverse reinforcement is not provided with a reduction of up to 35% and same shear strength for other cases. The AASHTO LRFD BDS 2020 gives higher design shear strength up to 157% ACI 318M shear strength despite using strength reduction factor of 0.75. The AASHTO LRFD BDS 2020 also shows an increase in the area of required flexural reinforcement due to shear forces which are unaccounted by ACI 318M up to 16% for simple beams and 37% for continuous beams. The analysis shows that MCFT can give more economical shear reinforcement design compared to ACI 318M method, making it suitable for application to reinforced concrete beams with relatively high shear forces. Abstrak Saat ini, desain geser beton bertulang di Indonesia masih didasarkan pada ACI 318M-14 dan belum mengikuti ACI 318M-19. Sebagai alternatif, modified compression field theory (MCFT) juga dapat digunakan untuk desain geser beton bertulang. Dalam penelitian ini, balok sederhana dan menerus dengan beban merata dan terpusat akan dianalisis dengan metode desain geser ACI 318M-14, ACI 318M-19, dan MCFT AASHTO LRFD Bridge Design Specification (BDS) 2020. Dibandingkan metode ACI 318M-14, metode ACI 318M-19 memberikan kekuatan geser yang lebih rendah ketika tulangan transversal minimum tidak disediakan dengan penurunan hingga 35% dan kekuatan geser yang untuk kasus lainnya. AASHTO LRFD BDS 2020 memberikan kekuatan geser desain yang lebih tinggi hingga 157% kekuatan geser AC…
creator: Daniel Christianto
creator: Yenny Untari Liucius
creator: Sunarjo Leman
creator: Andrew Hartanto Jusuf
creator: Dhea Angelica Kho
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 747
ending page: 760
doi: 10.24912/jmts.v8i3.34064

KOMPARASI AKSIAL TIANG PANCANG DENGAN METODE EMPIRIS DAN INTEPRETASI LOADING TEST PROYEK DI DUA LOKASI
type: item
description: Driven pile foundations are critical structural elements that transfer loads from superstructures to deeper soil layers with sufficient bearing capacity. In geotechnical engineering practice, the axial bearing capacity of piles can be estimated through empirical approaches or interpreted from results of static axial load testing. This study aims to compare the axial bearing capacity calculated using empirical methods (Meyerhof, Vesic, and O’Neill & Reese for Qp; Tomlinson for Qs) with the interpreted results from static load tests using the Chin and Mazurkiewicz methods. The analysis was conducted at two project sites - Palembang and Malinau - both characterized by cohesive soil profiles. The results indicate that in Palembang, the deviation between empirical methods and interpreted values ranges from 58% to 65%, reflecting a significant difference. Conversely, in Malinau, the deviation is smaller, ranging from 6% to 32%, suggesting that the empirical predictions are relatively closer to the field test results. Among the three empirical methods evaluated, Vesic’s + Tomlinson demonstrated the lowest deviation from the interpreted values at both locations, making it the most accurate empirical approach in this study. These findings highlight the importance of validating empirical calculations with field data to ensure safe and efficient pile foundation design Abstrak Fondasi tiang pancang merupakan elemen struktur bawah yang berperan penting dalam menyalurkan beban struktur atas ke lapisan tanah yang memiliki daya dukung memadai. Dalam praktik rekayasa geoteknik, perhitungan daya dukung aksial tiang dapat dilakukan melalui pendekatan empiris maupun interpretatif berdasarkan hasil uji pembebanan aksial tekan statik. Penelitian ini bertujuan untuk membandingkan hasil perhitungan daya dukung aksial menggunakan metode empiris (Meyerhof, Vesic, serta O’Neill & Reese untuk Qp​; Tomlinson untuk Qs) dengan hasil interpretasi uji beban menggunakan metode Chin dan Mazurkiewicz.…
creator: Helga Lenita
creator: Aniek Prihatiningsih
creator: Sunarjo Leman
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 761
ending page: 770
doi: 10.24912/jmts.v8i3.34157

PENGEMBANGAN KARET EBONIT SEBAGAI BAHAN DASAR SISTEM ISOLASI DASAR UNTUK MENGURANGI DAMPAK GEMPA BUMI
type: item
description: Indonesia is one of the regions traversed by the ring of fire, where this route shows high earthquake intensity and results in building damage, leading to fatalities. Efforts are being made to reduce the impact of earthquake through the implementation of base isolation system. One of the materials forming the base isolation system is natural rubber. In this study, natural rubber will be replaced with ebonite rubber to determine its specifications and whether it is effective when used as the base material for the base isolation system. The materials mixed to form ebonite rubber include natural rubber (SIR 20), ZnO, Stearic Acid, Sulfur, CBS, TMTD, Carbon N330, Minarex, Antilux, Ionol, TMQ, Antioxidant (6-PPD), and Aktiplast. This formulation will create ebonite rubber, which will then undergo mechanical property testing, including hardness, tensile strength, elongation at break, and volume change, to determine the capability of ebonite rubber as a substitute for natural rubber. It was found that ebonite rubber has results of 88 shore A hardness, 14.6 Mpa tensile strength, 70% elongation at break, and 91.08% compression set. From the research results, it was found that ebonite rubber has a high hardness value, making it effective for bearing vertical loads. Abstrak Indonesia merupakan salah satu kawasan yang dilewati oleh jalur ring of fire dimana jalur tersebut menunjukkan intensitas gempa yang tinggi dan berdampak pada kerusakan gedung hingga menimbulkan korban jiwa. Upaya untuk mengurangi dampak gempa bumi yaitu dengan menerapkan penggunaan sistem isolasi dasar pada bangunan. Salah satu bahan pembentuk sistem isolasi dasar adalah karet alamada penelitian ini karet alam akan ditukar dengan karet ebonit dengan tujuan untuk mengetahui efektivitas karet ebonit bila digunakan sebagai bahan dasar sistem isolasi dasar. Formulasi karet ebonit yang digunakan merupakan hasil pengembangan dari formulasi karet alam yang sudah diteliti sebelumnya. Adapun bahan yang dicampurkan …
creator: Jehuda Christofel Sriwijaya
creator: Usman Wijaya
creator: Andy Prabowo
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 771
ending page: 780
doi: 10.24912/jmts.v8i3.32679

ANALISIS PERBANDINGAN KELAYAKAN INVESTASI PEMBANGUNAN APARTEMEN X DI TANGERANG, BANTEN
type: item
description: This study analyses the investment feasibility of building Apartment X in Alam Sutera, Tangerang, by comparing two scenarios, namely direct apartment construction and gradual apartment construction, in the context of the impact of the Covid-19 pandemic. The methods used are Net Present Value (NPV) and Internal Rate of Return (IRR) to evaluate the potential benefits of both approaches. The data analysed includes development costs, sales of residential units, building operating costs, as well as revenue from environmental management fees (IPL) for residential areas and commercial shops, commercial shop rents and so on. The results show that the direct development scenario produces an NPV value of IDR 87,860,840,681 with an IRR value of 13.08%, while the phased development scenario produces a higher NPV value of IDR 112,893,521,357 with an IRR of 14.51%. Both scenarios fulfil the investment feasibility criteria because the resulting NPV value is greater than Rp 0, and the IRR value is also higher than the MARR set at 10%. Furthermore, investment in apartment X project is feasible to be implemented both directly and in stages, but gradual development provides more optimal and more profitable results compared to direct development. This study provides important insights for property developers in determining the right investment strategy in the post-pandemic economic conditions. Abstrak Penelitian ini menganalisis kelayakan investasi pembangunan Apartemen X di Alam Sutera, Tangerang, dengan membandingkan dua skenario yaitu pembangunan apartemen secara langsung dan pembangunan apartemen secara bertahap, dalam konteks dampak pandemi Covid-19. Metode yang digunakan adalah Net Present Value (NPV) dan Internal Rate of Return (IRR) untuk mengevaluasi potensi keuntungan dari kedua pendekatan. Data yang dianalisis mencakup biaya pembangunan, penjualan unit residensial, biaya operasional gedung, serta penerimaan dari iuran pengelolaan lingkungan (IPL) area residensial dan toko ko…
creator: Randy Yudistira
creator: Wati Asriningsih Pranoto
creator: Mark Setiadi
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 781
ending page: 792
doi: 10.24912/jmts.v8i3.32701

ANALISIS KAPASITAS TORSI BALOK L SPANDREL BETON BERTULANG TERHADAP VARIASI LEMBARAN SERAT KARBON
type: item
description: Building structures often experience a decrease in capacity over time due to repeated loading, corrosion, or other environmental factors, which can reduce their performance in resisting loads, including torsional loads. Therefore, strengthening methods are needed, one of which is the use of carbon fiber reinforced polymer (CFRP), known for its high strength, light weight, and corrosion resistance. This study examines the effect of CFRP sheets on increasing the torsional capacity of reinforced concrete L-beams with a span length of 1500 mm, effective width of 400 mm, and height of 450 mm, reinforced using D10, D12, and D16 bars. The strengthening was carried out by attaching 150 mm wide CFRP sheets along the beam surface, with varied spacing to achieve maximum effectiveness, resulting in five test models. Numerical analysis was conducted using MIDAS FEA NX software based on the finite element method to assess how much CFRP reinforcement can enhance torsional capacity and how closely it aligns with laboratory test results, thereby providing a more accurate representation of structural performance after strengthening. Abstrak Struktur bangunan sering mengalami penurunan kapasitas seiring waktu akibat beban berulang, korosi, atau faktor lingkungan lainnya, yang dapat menurunkan kinerja struktur dalam menahan beban, termasuk beban torsi. Oleh karena itu, diperlukan metode perkuatan, salah satunya dengan menggunakan carbon fiber reinforced polymer (CFRP) yang dikenal memiliki kekuatan tinggi, ringan, dan tahan korosi. Penelitian ini membahas pengaruh penggunaan lembaran CFRP terhadap peningkatan kapasitas torsi balok L beton bertulang dengan spesifikasi panjang bentang 1500 mm, lebar efektif 400 mm, dan tinggi 450 mm, serta penulangan menggunakan D10, D12, dan D16. Perkuatan dilakukan dengan memasang lembaran CFRP selebar 150 mm pada permukaan balok, dengan variasi jarak antar lembaran untuk memperoleh efektivitas maksimum, menghasilkan lima model uji. Analisis numerik di…
creator: Davin Vincent Pratama
creator: Sunarjo Leman
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 793
ending page: 806
doi: 10.24912/jmts.v8i3.34112

ANALISIS PERUBAHAN NILAI MODULUS ELASTISITAS AKIBAT PENAMBAHAN CAMPURAN KAPUR TOHOR
type: item
description: Tanah ekspansif ialah tanah yang memiliki sifat kembang susut akibat pengaruh variasi kadar air. Sifat ini menimbulkan permasalahan pada konstruksi sehingga menyebabkan keretakan dan ketidakstabilan struktur. Salah satu alternatif untuk meningkatkan kekuatan tanah ekspansif ialah dengan menambahkan bahan stabilisasi seperti, kapur tohor. Penggunaan kapur tohor dapat meningkatkan kekuatan dari tanah ekspansif. Metode pengujian yang digunakan untuk meningkatkan kestabilan tanah yaitu pengujian UCT yang dilaksanakan di laboratorium dengan kondisi tanpa rendaman. Pengujian UCT yang dilakukan ada 2 jenis yaitu, pengujian UCT pada kondisi tanah natural dan pengujian UCT pada tanah dengan campuran kapur tohor. Kapur tohor yang digunakan terdiri dari tiga variasi kadar yaitu, 3%, 5%, dan 7% dari berat tanah. Setelah mendapatkan grafik UCT, nilai modulus elastisitas akan dicari. Hasil penelitian menunjukkan bahwa nilai modulus elastis pada kondisi tanah natural didapat sebesar 0,1263 kg/cm2 pada kondisi 100% optimum. Pada kondisi 100% optimum, didapatkan nilai modulus elastis terbesar pada saat campuran kapur tohor sebanyak 3% senilai 0,3487 kg/cm2. Hasil pengujian yang telah didapat menunjukkan bahwa penambahan kapur tohor dapat meningkatkan nilai modulus elastis pada kondisi 100% optimum dan 98% basah.
creator: Edwin Nicklaus Pangestu
creator: Gregorius Sandjaja Sentosa
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 807
ending page: 816
doi: 10.24912/jmts.v8i3.34213

PENENTUAN PRIORITAS GENANGAN DENGAN PERATURAN MENTERI PUPR NO.12 TAHUN 2014 DI KELURAHAN GELAM JAYA
type: item
description: Flood inundation is one of the events that hamper daily life, affecting citizens and the country. Gelam Jaya village is prone to roadside inundation after rainfall. The geographical condition is exacerbated by potholes and rubbish in the drainage channels. This study seeks to examine how inundation is prioritized according to PUPR Regulation No. 12 of 2014 in determining which drainage channels should be improved first. The objective is to establish a priority scale for drainage channel improvements in the research area of Gelam Jaya. In this study, 5 flood points were taken as research locations, each point located in Gelam Jaya Village. The research was conducted using PUPR Regulation No.12 of 2014 to obtain each priority scale. The top priority in repair is at SMPN 3 Pasar Kemis (RW 20) then the second priority is at Fun Park Water Boom Permata (RW 07), the third priority is at Jl. Villa Tomang Baru (RW 17), the fourth priority is at the Pump House (RW 14) and the last priority is at Gelam Jaya Village Office (RW 06). Abstrak Genangan banjir adalah salah satu kejadian yang menghambat kehidupan sehari-hari yang berdampak pada warga dan negara. Kelurahan Gelam Jaya merupakan kelurahan yang rawan dengan adanya genangan di pinggir jalan pasca hujan. Kondisi geografis pada wilayah tersebut diperburuk oleh kondisi jalan yang berlubang dan sampah pada saluran drainase. Penelitian ini berusaha untuk mengkaji bagaimana prioritas genangan menurut Permen PUPR No. 12 Tahun 2014 dalam menentukan saluran drainase mana yang harus diperbaiki terlebih dahulu. Tujuannya adalah untuk menetapkan skala prioritas perbaikan saluran drainase di wilayah penelitian yaitu Kelurahan Gelam Jaya. Dalam penelitian ini diambil 5 titik banjir sebagai lokasi penelitian yang masing-masing titik terletak di Kelurahan Gelam Jaya. Penelitian dilakukan dengan Peraturan Menteri PUPR No.12 Tahun 2014 untuk memperoleh setiap skala prioritas. Analisis dilakukan dengan memberikan nilai pada setiap kriteria…
creator: Calvin Christopher Wangsa
creator: Wati Asriningsih Pranoto
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 817
ending page: 824
doi: 10.24912/jmts.v8i3.34176

DAMPAK PENGGUNAAN AMPAS KOPI TERHADAP KUAT TEKAN DAN DAYA SERAP AIR PAVING BLOCK
type: item
description: With the decreasing availability of sand due to excessive exploitation and the increasing volume of organic waste such as coffee grounds, utilizing coffee grounds as a substitute for fine aggregates is expected to support the concept of sustainable development. This study aims to evaluate the effect of adding coffee grounds as a partial substitute for fine aggregates on the compressive strength and water absorption of paving blocks. The paving blocks were made with a cement-to-sand ratio of 1:6 and dimensions of 10.5 cm × 10.5 cm × 6 cm. Substitution was carried out in two conditions: untreated coffee grounds and washed coffee grounds, each at levels of 5%, 10%, 15%, and 20% by weight of fine aggregate. Of all variations, only the mixtures with 5% untreated coffee grounds and 5% washed coffee grounds were suitable for compressive strength testing. Compared to normal paving blocks, the compressive strength decreased by 61.2% for paving blocks using regular coffee grounds, and by 76.6% for those using washed coffee grounds. Water absorption tests showed that the addition of coffee grounds tended to increase the water absorption of the paving blocks. This study concludes that the use of coffee grounds, whether untreated or washed, is not recommended as a substitute material in paving blocks. Abstrak Dengan semakin berkurangnya ketersediaan pasir akibat eksploitasi berlebihan serta meningkatnya volume limbah organik seperti ampas kopi, pemanfaatan ampas kopi sebagai substitusi agregat halus diharapkan dapat mendukung konsep pembangunan berkelanjutan. Penelitian ini bertujuan mengevaluasi pengaruh penambahan ampas kopi sebagai substitusi parsial agregat halus terhadap kuat tekan dan daya serap paving block. Paving block dibuat dengan perbandingan semen terhadap pasir 1:6 dan ukuran 10,5 cm × 10,5 cm × 6 cm. Substitusi dilakukan dalam dua kondisi, yaitu ampas kopi biasa dan ampas kopi yang telah dicuci, masing-masing pada kadar 5%, 10%, 15%, dan 20% dari berat agregat hal…
creator: Christina Veronica
creator: Arif Sandjaya
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 825
ending page: 834
doi: 10.24912/jmts.v8i3.34047

PARAMETER IDENTIFICATION OF Cc IN SOFT SOIL THROUGH BACK ANALYSIS OF VACUUM PRELOADING
type: item
description: The soft soil problem is one of the most common problems in the geotechnical field because the consolidation process in these soils takes a long time. One of the main problems that will be discussed in this research is the high compressibility of soft soil. The project reviewed in this research has clay soil characteristics with soft consistency so that the soil improvement method carried out in this project is vacuum preloading. In this research, a back analysis will be carried out based on the monitoring data available in this project where the modeling to be used is modeling with a finite element approach. The purpose of this back analysis is to obtain appropriate parameters based on monitoring data, the parameters adjusted in the back analysis are consolidation parameters in the form of Cc, Cs, e0, kx, and ky. In this study, it only focuses on one of the consolidation parameters obtained from back analysis, namely the Cc parameter where the purpose of taking the Cc parameter in this study is to measure the high or low compressibility that occurs in soft soil in the project in this study. Based on the results of the back analysis obtained, the Cc value obtained from the 3 settlement plates ranges from 0.7 - 0.75 where the value indicates that the soft soil has high compressibility. Abstrak Permasalahan tanah lunak merupakan salah satu masalah yang sering terjadi pada bidang geoteknik karena proses konsolidasi pada tanah tersebut memakan waktu yang lama. Salah satu permasalahan utama yang akan dibahas pada penelitian ini adalah kompresibilitas yang tinggi pada tanah lunak. Proyek yang ditinjau pada penelitian ini memiliki karakteristik tanah lempung dengan konsistensi lunak sehingga metode perbaikan tanah yang dilakukan pada proyek ini adalah vacuum preloading. Pada penelitian ini akan dilakukan back analysis berdasarkan data monitoring yang tersedia pada proyek ini dimana pemodelan yang akan digunakan berupa pemodelan dengan pendekatan finite element. Tujuan dari…
creator: Mikael Dylan Gunawan
creator: Hendy Wijaya
creator: Ali Iskandar
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 835
ending page: 846
doi: 10.24912/jmts.v8i3.34141

INVESTIGASI PEMANFAATAN LIMBAH BATU DAN SERBUK MARMER SEBAGAI SUBSTITUSI AGREGAT PADA PERKERASAN KAKU
type: item
description: Natural resources such as fine and coarse aggregates eventually deplete and are irreplaceable. Therefore, the materials needed to replace aggregates in rigid pavements with marble and stone powder are different. The purpose of this study was to determine the compressive strength and flexural strength of concrete at the ages of seven and twenty-eight days. This study used a quantitative experimental research design. The test objects were reinforced concrete slabs measuring 50 x 12 x 120 with variations of 0%, 15%, 25%, and 35%, as well as cylinders measuring 15 cm and 30 cm. The most ideal value for the compressive strength of used marble powder over a period of 28 days is 15%; the most ideal value for used marble stone is 25%; and only a variation of 0% meets the intended parameters for the combination of used stone and powder. The results of the compressive strength test conducted on marble powder waste concrete, marble stone waste, and a combination of stone waste and powder over a seven-day period did not meet the planned requirements. The flexural strength tests on ordinary concrete yielded deflections of 25% (4.26), 0% (3.93), and 25% (4.71), respectively, using marble powder waste, marble stone, and a combination of stone and powder with maximum load. Abstrak Agregat halus dan kasar merupakan contoh sumber daya alam yang pada akhirnya akan habis dan tidak dapat digantikan. Oleh karena itu, material yang dibutuhkan untuk mengganti agregat pada perkerasan kaku dengan bubuk marmer dan batu berbeda. Tujuan dari penelitian ini adalah untuk mengetahui kuat tekan dan kuat lentur beton pada umur tujuh dan dua puluh delapan hari. Penelitian ini menggunakan desain penelitian eksperimental yang bersifat kuantitatif. Benda uji berupa pelat beton bertulang berukuran 50 x 12 x 120 dengan variasi 0%, 15%, 25%, dan 35%, serta silinder berukuran 15 cm dan 30 cm. Nilai paling ideal untuk kuat tekan bubuk marmer bekas selama periode 28 hari adalah 15%; nilai paling ideal untuk b…
creator: M. Sa'dillah
creator: Andy Kristafi Arifianto
creator: Blima Oktaviastuti
creator: Rosita Oktavia Jemadun
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 847
ending page: 862
doi: 10.24912/jmts.v8i3.33671

ANALISIS POTENSI LIKUIFAKSI DAN PENURUNAN TANAH BERDASARKAN PENEMPATAN FONDASI DANGKAL DI KABUPATEN WAKATOBI
type: item
description: Liquefaction and soil settlement potential are two major geotechnical risks that must be considered in shallow foundation planning.This study aims to analyze the potential for liquefaction and ground settlement in Wakatobi Regency based on the placement of shallow foundations. The region has geological and seismic characteristics that make it vulnerable to liquefaction, especially in saturated sandy soil layers located near the ground surface. The research methodology includes collecting Standard Penetration Test (SPT) data and laboratory soil testing. Liquefaction zones were also analyzed using methods developed by Seed et al., Youd & Idriss ,and Idriss–Boulanger. The analysis results indicate that several zones in Wakatobi have a safety factor against liquefaction below the safe threshold, particularly at depths of 0–5 meters, which are also susceptible to significant settlement when subjected to shallow foundation loads. Technical recommendations include placing shallow foundations on hard soil layers to minimize the risk of structural failure. This research is expected to serve as a reference for safer and more sustainable infrastructure planning in Wakatobi Regency. Abstrak Potensi likuifaksi dan penurunan tanah merupakan dua resiko geoteknik utama yang perlu dipertimbangkan dalam perencanaan fondasi dangkal. Penelitian ini bertujuan untuk menganalisis potensi likuifaksi dan penurunan tanah (settlement) di Kabupaten Wakatobi berdasarkan penempatan fondasi dangkal. Wilayah ini memiliki karakteristik geologis dan seismik yang rentan terhadap fenomena likuifaksi, khususnya pada lapisan tanah berpasir jenuh air yang terletak dekat dengan permukaan tanah. Metodologi penelitian meliputi pengumpulan data Standard Penetration Test (SPT), dan pengujian laboratorium tanah, zona likuifaksi juga dianalisis menggunakan metode yang dikembangkan oleh Seed et al., Youd & Idriss, and Idriss–Boulanger. Hasil analisis menunjukkan bahwa beberapa zona di Wakatobi memiliki faktor ke…
creator: Darren Edwad Sutisna
creator: Alfred Jonathan Susilo
creator: Sunarjo Leman
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 863
ending page: 870
doi: 10.24912/jmts.v8i3.34193

STUDI PERUBAHAN NILAI MODULUS ELASTISITAS PADA TANAH EKSPANSIF AKIBAT PENAMBAHAN ABU TERBANG
type: item
description: Driven pile foundations are critical structural elements that transfer loads from superstructures to deeper soil layers with sufficient bearing capacity. In geotechnical engineering practice, the axial bearing capacity of piles can be estimated through empirical approaches or interpreted from results of static axial load testing. This study aims to compare the axial bearing capacity calculated using empirical methods (Meyerhof, Vesic, and O’Neill & Reese for Qp; Tomlinson for Qs) with the interpreted results from static load tests using the Chin and Mazurkiewicz methods. The analysis was conducted at two project sites - Palembang and Malinau - both characterized by cohesive soil profiles. The results indicate that in Palembang, the deviation between empirical methods and interpreted values ranges from 58% to 65%, reflecting a significant difference. Conversely, in Malinau, the deviation is smaller, ranging from 6% to 32%, suggesting that the empirical predictions are relatively closer to the field test results. Among the three empirical methods evaluated, Vesic’s + Tomlinson demonstrated the lowest deviation from the interpreted values at both locations, making it the most accurate empirical approach in this study. These findings highlight the importance of validating empirical calculations with field data to ensure safe and efficient pile foundation design Abstrak Tanah ekspansif memiliki sifat mengembang saat basah dan menyusut saat kering, yang dapat menyebabkan retak serta ketidakstabilan struktur dalam konstruksi. Salah satu metode untuk meningkatkan kekuatan tanah ekspansif adalah dengan menambahkan material stabilisasi seperti abu terbang, Abu terbang yang digunakan adalah abu terbang tipe c karena memberikan sifat semen alami yang meningkatkan kekuatan dan stabilitas tanah Pengujian dilakukan melalui metode Unconfined Compression Test (UCT) untuk mengukur peningkatan nilai Modulus Elastis tanah. Abu terbang ditambahkan dalam beberapa variasi persentase, yait…
creator: Go Bernard Christian Gosal
creator: Gregorius Sandjaja Sentosa
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 871
ending page: 880
doi: 10.24912/jmts.v8i3.34202

PENGARUH EFEK TEBAL PELAT TERHADAP KONDISI DIAFRAGMA BERDASARKAN INDEKS FLEKSIBILITAS
type: item
description: The floor diaphragm is a horizontal structural element that functions to distribute lateral loads to the building’s lateral load-resisting system. Floor diaphragms can be assumed as rigid, semi-rigid, or flexible. However, in practical applications, the diaphragm must be defined according to the in-plane stiffness characteristics of the slab itself. One approach is by determining the diaphragm flexibility index. This study analyzes three variables that affect diaphragm flexibility, namely: (a) the building’s plan aspect ratio (S/De), (b) the type of the floor system, and (c) the slab thickness. All models were analyzed under static seismic loads without considering accidental eccentricity. The loads were distributed at each node, with meshing divided into 1 m2 grids, using Midas Civil software. Based on the obtained flexibility index values, it can be concluded that greater slab thickness leads to higher in-plane diaphragm stiffness under lateral loads. Regardless of the slab thickness and plane aspect ratio, the type of the floor system used significantly influences diaphragm stiffness. Abstrak Diafragma lantai merupakan elemen struktural horizontal yang berperan dalam mendistribusikan beban lateral ke sistem penahan beban lateral bangunan. Diafragma lantai dapat diasumsikan sebagai kaku, semi-kaku, dan fleksibel. Namun dalam penerapannya di lapangan, diafragma harus disesuaikan berdasarkan karakterisitik kekakuan dalam bidang pelat itu sendiri. Salah satu cara adalah dengan mengetahui nilai dari indeks fleksibilitas diafragma. Tiga variabel yang memengaruhi fleksibilitas diafragma dianalisis dalam penelitian ini, yaitu: (a) rasio aspek denah bangunan (S/De), (b) jenis pelat lantai, dan (c) tebal pelat lantai. Seluruh model yang dianalisis menggunakan beban gempa statik tanpa memperhitungkan eksentrisitas yang tidak disengaja yang didistribusikan pada tiap nodal yang telah dibagi setiap 1 m2 menggunakan perangkat lunak Midas Civil. Berdasarkan nilai indeks fleksibi…
creator: Sunarjo Leman
creator: Husain
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 881
ending page: 888
doi: 10.24912/jmts.v8i3.34146

STATISTICAL CORRECTION OF A DYNAMIC PILE BEARING CAPACITY FORMULA BASED ON PDA DATA
type: item
description: The calculation of pile bearing capacity using a dynamic formula is considered a practical approach for evaluating the capacity of foundation piles. However, its results are often questioned when compared to the CAPWAP analysis outcomes derived from PDA testing. This study aims to assess the accuracy of the dynamic formula, develop a correction model using a statistical approach in the form MLR, and evaluate the effectiveness of the resulting correction model in predicting pile bearing capacity. A total of 84 pile datasets were utilized in this research, comprising various pile dimensions and PDA-derived parameters, including the maximum energy transferred to the pile (EMX), permanent pile settlement (S = DFN), and elastic settlement (C = DMX – DFN). The analysis results indicated that the dynamic formula could be corrected using the MLR approach. The correction model produced multiplier coefficients of 1.09 for parameter S and 0.67 for parameter C, with a coefficient of determination of 0.96 and a MAPE value of 19.21%, which represents the average deviation of the predicted results from the actual values and falls into the accurate category based on Lewis’ classification. The model is deemed sufficiently reliable for use as an alternative method in the preliminary evaluation of pile bearing capacity. Abstrak Perhitungan daya dukung tiang menggunakan formula dinamik merupakan pendekatan praktis dalam mengevaluasi kapasitas tiang fondasi. Namun, hasil perhitungannya kerap diragukan jika dibandingkan dengan hasil analisis CAPWAP dari uji PDA. Penelitian ini bertujuan untuk mengevaluasi akurasi formula dinamik, mengembangkan model koreksi dengan pendekatan statistik berupa MLR, serta menilai efektivitas model koreksi yang dihasilkan dalam memprediksi daya dukung tiang. Pada penelitian ini digunakan 84 data tiang dengan variasi dimensi tiang dan parameter dari uji PDA yang berupa energi maksimum yang tertransfer ke tiang (EMX), penurunan permanen tiang (S = DFN), dan pe…
creator: Sherlin Angelina
creator: Hendy Wijaya
creator: Ali Iskandar
creator: Agus Johan
creator: Aksan Kawanda
creator: Daniel Tri Purnomo
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 889
ending page: 898
doi: 10.24912/jmts.v8i3.34184

ANALISIS PERILAKU SEISMIK PADA BANGUNAN TINGGI BETON BERTULANG DENGAN VARIASI POSISI OUTRIGGER DAN BELT TRUSS
type: item
description: The outrigger and belt truss systems serve as structural components that assist in resisting lateral loads. This study utilized MIDAS GEN software to evaluate the influence of outrigger and belt truss systems on the seismic performance of high-rise buildings. The results indicate that the inclusion of these systems consistently improves structural stiffness, as evidenced by the decrease in the building's natural vibration period—from 4,65 seconds without the outrigger and belt truss system to 4,01 seconds with a configuration of three outriggers and three belt trusses. This increase in stiffness also leads to a rise in base reaction, which is a critical factor in earthquake engineering design. In Model 2, the configuration that showed the best performance (i.e., the highest reduction in top displacement) was at a height of 48 meters, corresponding to 0,3n (where n is the total building height of 160 meters), resulting in a 15,65% reduction. In Model 3, with systems placed at 48 meters and 128 meters (0,3n+0.8n), a 24,73% reduction was achieved. Model 4, with outrigger and belt truss systems positioned at 32 meters, 48 meters, and 128 meters (0.2n+0.3n+0.8n) yielded the highest reduction of 31,8%. However, the effectiveness of these reductions demonstrates a diminishing return phenomenon, where adding more outrigger and belt truss systems beyond a certain point becomes less efficient in further reducing top displacement. Abstrak Sistem outrigger dan belt truss bekerja sebagai sistem yang membantu dalam menahan gaya lateral. Penelitian ini dianalisis menggunakan software MIDAS GEN untuk mengetahui pengaruh sistem outrigger dan belt truss terhadap kinerja seismik pada bangunan tinggi. Hasil studi mengindikasikan bahwa penambahan sistem tersebut secara konsisten meningkatkan kekakuan struktural, yang terbukti dari penurunan periode getar bangunan dari 4,65 detik dengan tanpa menggunakan outrigger dan belt truss menjadi 4,01 detik dengan konfigurasi tiga outrigger dan ti…
creator: Edison Leo
creator: Roby Roby
creator: Sunarjo Leman
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 899
ending page: 908
doi: 10.24912/jmts.v8i3.34189

ANALISIS PENGGUNAAN TRANSPORTASI SUNGAI DI WILAYAH MAHAKAM ULU
type: item
description: Mahakam Ulu Regency is characterized by a topography dominated by hilly terrain and dense tropical forests, resulting in severely limited access to land transportation. Consequently, the local community relies heavily on river transportation to meet their mobility needs, goods distribution, and various socio-economic activities. This study aims to comprehensively examine the patterns of river transport usage, assess the availability and condition of supporting infrastructure and facilities, and identify the challenges and needs of users in the region. A quantitative approach was employed through the distribution of questionnaires and structured interviews, with results analyzed using descriptive statistics. The findings indicate that transport modes such as speedboats, longboats, inland vessels, and small outboard motorboats (ketinting) remain the primary means of transportation for residents. However, several issues persist, including inadequate dock infrastructure, low safety standards, and high operational costs. Therefore, this study recommends the development of sustainable infrastructure, improved service quality and safety measures, and stronger policy support from the government. These efforts are expected to promote equitable regional development and enhance the quality of life for the people of Mahakam Ulu, who depend on river transport as their main mode of connectivity. Abstrak Kabupaten Mahakam Ulu merupakan wilayah dengan kondisi topografi yang didominasi oleh perbukitan dan hutan tropis, sehingga akses transportasi darat menjadi sangat terbatas. Hal ini menyebabkan masyarakat setempat menggantungkan kebutuhan mobilitas, pengangkutan barang, serta kegiatan sosial dan ekonomi mereka pada moda transportasi sungai. Penelitian ini bertujuan untuk menelaah secara menyeluruh pola pemanfaatan transportasi sungai, menilai ketersediaan dan kondisi sarana serta prasarana pendukung, serta mengidentifikasi hambatan dan kebutuhan para pengguna transportasi di kawas…
creator: Lidwina Sri Ayu DR Sianturi
creator: Flora Emiliana Long
creator: Gregorius Sandjaja
creator: Hokbya R.S Angkat
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 909
ending page: 918
doi: 10.24912/jmts.v8i3.34185

STUDI KEBUTUHAN MASYARAKAT TERHADAP BUS SEKOLAH DI KOTA SORONG
type: item
description: The free school bus program is a transportation solution that enhances students' accessibility to education, reduces traffic congestion, and improves travel safety. This study aims to analyze the technical feasibility and develop an operational plan for free school buses in Sorong City. The research employs a quantitative descriptive analysis approach through surveys using questionnaires distributed to students and parents. The number of respondents in this study was 159 people who lived in several sub-districts in Sorong City. The collected technical data includes road conditions, route characteristics, passenger capacity, as well as safety and operational efficiency aspects. Operational planning considers factors such as the required number of buses, operational schedules, travel distances, and strategies for service optimization. The results of this study show that the majority of respondents do not have free school buses in their area and feel that this program is very important to support the learning process of students. Quantitative descriptive analysis shows that respondents' agreement with the program is quite diverse regarding routes, fares and service models. Abstrak Program bus sekolah gratis merupakan salah satu solusi transportasi yang dapat meningkatkan aksesibilitas pelajar terhadap pendidikan, mengurangi kemacetan, serta meningkatkan keselamatan dalam perjalanan ke sekolah. Penelitian ini bertujuan untuk menganalisis kelayakan teknis dan menyusun perencanaan operasional bus sekolah gratis di Kota Sorong. Metode penelitian yang digunakan adalah analisis deskriptif kuantitatif dengan pendekatan survei melalui kuisioner kepada pelajar dan orang tua. Jumlah responden dalam penelitian ini adalah sebanyak 159 orang yang tinggal di beberapa kelurahan di Kota Sorong. Data teknis yang dikumpulkan meliputi kondisi jalan, karakteristik rute, kapasitas penumpang, serta aspek keselamatan dan efisiensi operasional. Hasil Penelitian ini menunjukan bahwa mayoritas …
creator: Lidwina Sri Ayu DR Sianturi
creator: Albert Eliezar Sabarofek
creator: Edison Leo
creator: Hokbyan R.S Angkat
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 919
ending page: 930
doi: 10.24912/jmts.v8i3.34109

ANALISIS LIKUEFAKSI PADA LAPISAN TANAH BERPASIR DI LOKASI PROYEK PABRIK, GRESIK, JAWA TIMUR
type: item
description: In this study, an analysis was conducted to evaluate the potential for liquefaction at a factory project located in Manyar, Gresik, East Java. The analysis aimed to determine whether the sandy soil layer in the factory area has liquefaction potential. Liquefaction potential was evaluated by comparing the earthquake-induced loading with the soil’s resistance to liquefaction. The potential was expressed as a factor of safety against liquefaction (FSL). In addition, Cyclic Stress Ratio (CSR) calculations were carried out. Two methods were used to determine the Cyclic Resistance Ratio (CRR) values in this project: the Ishihara method (1979), the Yoshimi & Tokimatsu method (1984), the Boulanger & Idriss method (2014) and Andrus & Stokoe method. The data used in this study included soil investigation reports, downhole seismic test results, and earthquake maps. Based on the liquefaction analysis, no liquefaction potential was found at borehole SPT B02. However, since the project location is near a fault (based on the geological map of Surabaya and Quadrangle, Java), further checks on site classification based on SNI 1726:2019 are recommended. Abstrak Penelitian ini melakukan analisis potensi likuefaksi pada proyek pabrik yang berlokasi di Manyar, Gresik, Jawa Timur. Analisis dilakukan untuk mengetahui apakah lapisan tanah berpasir di area pabrik berpotensi mengalami likuefaksi. Evaluasi potensi likuefaksi dilakukan dengan membandingkan beban gempa terhadap ketahanan tanah terhadap likuefaksi. Potensi likuefaksi dinyatakan sebagai faktor keamanan terhadap likuefaksi (FSL). Selain itu, dilakukan juga perhitungan Cyclic Stress Ratio (CSR). Terdapat empat metode yang digunakan untuk menentukan nilai Cyclic Resistance Ratio (CRR) pada proyek ini, yaitu metode Ishihara (1979), Yoshimi & Tokimatsu (1984), Boulanger & Idriss (2014) dan Andrus & Stokoe (2000). Data yang digunakan meliputi laporan penyelidikan tanah, hasil uji downhole seismic, dan peta gempa. Berdasarkan hasil anal…
creator: Amelia Yuwono
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
doi: 10.24912/jmts.v8i3.34087

ANALISIS KEBUTUHAN LAHAN PARKIR UNTUK RENCANA PEMBANGUNAN GEDUNG PARKIR DI WILAYAH SANTERA DELAPONTE
type: item
description: The construction of a parking building in the Santerra de Laponte tourism area requires a comprehensive analysis of parking needs and visitor behavior to ensure adequate facilities. This study is a case study using a quantitative approach, conducted through direct field surveys. The analysis includes daily parking volume, average parking duration, parking capacity, design effectiveness, and future parking demand projections. The results show that the parking building is designed with three floors on a 4,225 m² plot, capable of accommodating a total of 1,052 light vehicles. A double-sided parking layout with a 90° angle is implemented to enhance capacity and vehicle circulation efficiency. The peak parking volume occurs between 13:00 and 14:00, with 86 cars and 305 motorcycles. The average parking duration is 1.904 hours for cars and 1.669 hours for motorcycles. The building's maximum capacity can handle up to 400 cars per hour with an effective capacity of 118 vehicles, and 1,502 motorcycles per hour with an effective capacity of 871 vehicles. It is expected that this parking facility will support the development of the tourism sector without parking-related issues, while also improving comfort and accessibility for visitors. Abstrak Pembangunan gedung parkir di kawasan wisata Santerra de Laponte membutuhkan analisis komprehensif terkait kebutuhan parkir dan pola perilaku pengunjung guna memastikan fasilitas yang tersedia memadai. Penelitian ini merupakan studi kasus dengan pendekatan kuantitatif yang dilakukan melalui survei langsung di lapangan. Analisis mencakup volume parkir harian, rata-rata durasi parkir, kapasitas parkir, efektivitas desain, serta proyeksi kebutuhan parkir di masa depan. Hasil penelitian menunjukkan bahwa gedung parkir dirancang tiga lantai di atas lahan seluas 4.225 m² dan mampu menampung total 1.052 kendaraan ringan. Sistem parkir yang diterapkan adalah pola dua sisi dengan sudut 90° untuk meningkatkan kapasitas dan efisiensi sirkulasi kend…
creator: Mochamad Anas Ataroqy Isa
creator: Lila Ayu Ratna Winanda
creator: Maranatha Wijayaningtyas
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 941
ending page: 950
doi: 10.24912/jmts.v8i3.33276

STUDI PERBANDINGAN BIAYA-MANFAAT RETROFITTING STRUKTUR BANGUNAN EKSISTING BERDASARKAN TIER 1 ANALYSIS ASCE 41-17
type: item
description: A significant proportion of existing buildings in Indonesia were constructed prior to the adoption of modern seismic design standards, resulting in a high level of vulnerability to earthquakes. This poses a serious threat to occupant safety and the continuity of building functionality during seismic events. This study aims to evaluate retrofitting strategies using the ASCE 41-17 approach to enhance the seismic resilience of existing structures. A total of eight buildings in the Jakarta area were analyzed using the Tier 1 checklist to identify structural vulnerabilities. Based on field inspections, retrofit methods such as the addition of structural elements, column jacketing, expansion joints, and detailed structural surveys were proposed. Cost estimates were prepared through a Bill of Quantities (BOQ) and evaluated using a Benefit-Cost Analysis approach. The results indicate that most retrofit methods yield benefit-cost ratios significantly greater than 1, suggesting that the benefits of improved seismic performance outweigh the associated costs. This study provides practical and effective retrofit recommendations, which can serve as a reference for policymakers, building owners, and civil engineering practitioners in planning structural strengthening of existing buildings in earthquake-prone areas. Abstrak Sebagian besar bangunan eksisting di Indonesia dibangun sebelum adopsi standar desain seismik yang mutakhir, sehingga memiliki tingkat kerentanan tinggi terhadap gempa bumi. Kondisi ini menjadi ancaman serius bagi keselamatan penghuni dan keberlanjutan fungsi bangunan saat bencana terjadi. Penelitian ini bertujuan mengevaluasi strategi retrofitting menggunakan pendekatan ASCE 41-17 untuk meningkatkan ketahanan seismik bangunan eksisting. Sebanyak 8 bangunan di wilayah Jakarta dianalisis menggunakan checklist Tier 1 untuk mengidentifikasi kerentanan struktural. Berdasarkan hasil inspeksi lapangan, ditentukan metode retrofit seperti penambahan elemen struktur, jac…
creator: Gilbert Hartman
creator: Basuki Anondho
creator: Mega Waty
creator: Julian Thedja
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 951
ending page: 958
doi: 10.24912/jmts.v8i3.34115

ESTIMASI RENCANA ANGGARAN BIAYA (RAB) DENGAN KONSEP BUILDING INFORMATION MODELING (BIM) 3D
type: item
description: Building Information Modeling (BIM) is an innovation in the construction world that can enable more efficient project planning and management. BIM is able to produce 3D models that can be used in supporting the estimation of the Budget Plan Cost. This study aims to analyze the application of 3D BIM in supporting the Budget Plan Cost estimation process using the Autodesk Revit application, and to determine the comparison of structural work cost calculations carried out using conventional methods and 3D BIM concept. The method used is a case study on a construction project by translating 2D plan working drawings into 3D modeling. This research was conducted on an 8-storey hospital building project located in Bekasi. The work that will be the subject of the research is the column, beam and reinforcement work. The application of the 3D BIM concept with the Autodesk Revit application produces a cost estimate calculation of Rp4.193.816.067,26 while the cost estimate using a conventional method is Rp4.550.435.524,17. Based on these two values, a difference of Rp356.619.465,19 is obtained, this shows that the calculation of the estimated cost of column, beam and reinforcement work using the 3D BIM concept is 7.8% cheaper than using conventional methods. Abstrak Building Information Modeling (BIM) merupakan inovasi dalam dunia konstruksi yang dapat memungkinkan perencanaan serta pengelolaan proyek menjadi lebih efisien. BIM mampu menghasilkan model 3D yang dapat digunakan dalam mendukung estimasi Rencana Anggaran Biaya (RAB). Penelitian ini bertujuan untuk menganalisis penerapan BIM 3D dalam mendukung proses estimasi RAB dengan menggunakan aplikasi Autodesk Revit, serta mengetahui perbandingan perhitungan biaya pekerjaan struktur yang dilakukan dengan menggunakan metode konvensional dan konsep BIM 3D. Metode yang digunakan adalah studi kasus pada proyek konstruksi dengan cara menerjemahkan gambar kerja rencana 2D menjadi pemodelan 3D. Penelitian ini dilakukan pada proyek ged…
creator: Prameswari Anggun Amiradani
creator: Arianti Sutandi
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 959
ending page: 966
doi: 10.24912/jmts.v8i3.34148

ANALISIS PENYEBAB PEMBENGKAKAN BIAYA PADA PROYEK KONSTRUKSI RUMAH TINGGAL X
type: item
description: One of the important construction subsectors to fulfill people's basic needs is housing development. However, cost overrun or project cost escalation is one of the difficulties that projects often face during implementation. This research aims to identify and analyze the factors that cause cost overruns in residential construction projects, especially from the point of view of the parties directly involved in the construction process, for example project managers, site engineers, and quantity surveyors. Data was collected through the distribution of questionnaires in the form of Google Forms with a Likert scale ranging from 1-5. With the help of SPSS software, the collected data was processed through validity and reliability tests. Furthermore, the Relative Importance Index (RII) approach was used to analyze the data and identify the main factors causing cost overruns in the X residential construction project. Factors affecting cost overruns in X residential construction project can be ranked using 19 variables that passed the validity and reliability tests out of 22 collected variables. As a result of this study, the main cause of cost overruns in X residential projects is Inaccurate Material and Wage Cost Estimates with an RII value of 0.82. Abstrak Salah satu subsektor konstruksi yang penting untuk memenuhi kebutuhan dasar masyarakat adalah pengembangan perumahan. Namun, pembengkakan biaya atau eskalasi biaya proyek adalah salah satu kesulitan yang sering dihadapi proyek selama pelaksanaan. Penelitian ini bertujuan untuk mengidentifikasi dan menganalisis faktor-faktor penyebab pembengkakan biaya (cost overrun) pada proyek pembangunan rumah tinggal, khususnya dari sudut pandang para pihak yang terlibat langsung dalam proses konstruksi contohnya project manager, site engineer, dan quantity surveyor. Pengumpulan data melalui penyebaran kuesioner dalam bentuk Google Form dengan skala Likert yang berkisar 1-5. Dengan bantuan perangkat lunak SPSS, data yang telah dikum…
creator: Rosani Surya Bataric
creator: Mega Waty
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 967
ending page: 976
doi: 10.24912/jmts.v8i3.34180

EVALUASI EFEKTIVITAS PENGATURAN LALU LINTAS PADA SIMPANG BERSINYAL DI KOTA SORONG
type: item
description: The intersection of Jalan Ahmad Yani, Jalan Pramuka, and Jalan Basuki Rahmat in Sorong City experiences a relatively high level of traffic congestion. This condition is attributed to its strategic location as a junction between a Primary Arterial Road (National Road) and a Primary Local Road situated in the city center. The objective of this study is to evaluate the traffic performance at the three-leg intersection. The data utilized in this study include secondary data, such as vehicle growth and population increase, as well as primary data comprising average daily traffic volume (LHR), side friction data, and road geometry data. The analysis was conducted using the methodology outlined in the Indonesian Highway Capacity Manual (MKJI) 1997. Traffic characteristics at the intersection are represented by a three-phase signal arrangement: the first phase for the northbound approach with a capacity of 888.557 pcu/hour, the second phase for the eastbound approach with a capacity of 1174.593 pcu/hour, and the third phase for the westbound approach with a capacity of 783.062 pcu/hour, along with a cycle time of 87 seconds. Based on the evaluation results, the intersection is still considered operationally feasible. However, the relatively high values of the degree of saturation (DS) and average intersection delay (D1) indicate the need for further analysis to enhance overall intersection performance. Abstrak Persimpangan antara Jalan Ahmad Yani, Jalan Pramuka, dan Jalan Basuki Rahmat di Kota Sorong memiliki tingkat kepadatan lalu lintas yang cukup tinggi. Kondisi ini disebabkan oleh letaknya yang strategis sebagai titik temu antara Jalan Arteri Primer (Jalan Nasional) dan Jalan Lokal Primer di pusat kota. Tujuan dari penelitian ini adalah untuk mengevaluasi kinerja lalu lintas pada simpang tiga tersebut. Data yang digunakan meliputi data sekunder berupa pertumbuhan jumlah kendaraan dan penduduk, serta data primer seperti volume lalu lintas harian rata-rata (LHR), hambatan…
creator: Leksmono Suryo Putranto
creator: Fidelia Mayaut
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 977
ending page: 984
doi: 10.24912/jmts.v8i3.34187

ANALISIS PERBANDINGAN METODE EARNED VALUE MANAGEMENT DAN EARNED SCHEDULE PADA PROYEK PEMBANGUNAN DAN RENOVASI RUMAH
type: item
description: The Earned Value Management (EVM) and Earned Schedule (ES) methods are used as project control tools to monitor both cost and schedule performance. This study compares these two methods on two residential projects with less structured project control: the construction of a three-story house in Cakung and the renovation of a two-story house in Mangga Besar. The results of the study indicate different tendencies in the schedule performance assessment between the two methods. In Project 1, observed at week 35, the Schedule Performance Index (SPI) calculated using the EVM method was higher at 0.966 compared to the SPI(t) from the ES method, which was 0.923. This shows that the EVM method estimated a shorter project duration than the ES method. Conversely, in Project 2, observed at week 9, the SPI(t) from the ES method was higher at 0.815 compared to the SPI from EVM, which was only 0.64, indicating that the ES method estimated a shorter project duration than EVM. This difference demonstrates that EVM and ES may yield different assessment tendencies depending on project conditions. Abstrak Metode Earned Value Management (EVM) dan Earned Schedule (ES) digunakan sebagai alat pengendalian proyek baik dari segi biaya maupun waktu. Penelitian ini membandingkan antara kedua metode tersebut pada dua proyek perumahan yang memiliki pengendalian yang kurang terstruktur yakni pada proyek pembangunan rumah 3 lantai di Cakung dan proyek renovasi rumah 2 lantai di Mangga Besar. Hasil penelitian menunjukkan bahwa pada proyek 1 seperti di minggu ke-35, nilai SPI yang diperoleh dari metode EVM lebih besar (0,966) daripada nilai SPI(t) dari metode ES (0,923) sehingga estimasi durasi yang diberikan oleh metode EVM lebih cepat daripada metode ES. Sebaliknya, pada proyek 2 seperti di minggu ke-9, nilai SPI(t) yang diperoleh dari metode ES lebih besar (0,815) daripada nilai SPI dari metode EVM (0,64) sehingga estimasi durasi yang dihasilkan oleh metode ES lebih cepat daripada metode EVM. Perb…
creator: Vania Yori Wakano
creator: Fuk Jin Oei
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 985
ending page: 996
doi: 10.24912/jmts.v8i3.34358

ANALYSIS OF LOAD TRANSFER PLATFORM THICKNESS ON LOAD TRANSFER EFFECTIVENESS AND ROAD STABILITY IN SOFT SOIL
type: item
description: Reinforcement of road embankments on soft soils is a common challenge in infrastructure projects, especially in conditions of low bearing capacity and large settlement potential. One widely used solution is the pile embankment system with the addition of granular Load Transfer Platform. This study aims to numerically evaluate the effect of variations in LTP quality and thickness on system performance. Modeling was conducted using the two-dimensional finite element method, with variations in CBR values of 40% and 45%, and LTP thicknesses of 1 m, 1.5 m, and 2 m. The parameters analyzed include the amount of embankment settlement, slope safety factor, axial force on piles, and visualization of arching effect. The results showed that increasing the quality and thickness of the LTP was able to reduce embankment settlement and increase the factor of safety, especially under short-term conditions. The axial force on the piles also increased as the stiffness of the LTP increased, although at a certain thickness it was thought that there was more optimal force attenuation. These findings indicate the importance of appropriate LTP configuration in the design of soft soil reinforcement systems. Abstrak Perkuatan timbunan jalan di atas tanah lunak merupakan tantangan umum dalam proyek infrastruktur, khususnya pada kondisi daya dukung rendah dan potensi penurunan yang besar. Salah satu solusi yang banyak digunakan adalah sistem pile embankment dengan penambahan load transfer platform (LTP) berbahan granular. Penelitian ini bertujuan untuk mengevaluasi pengaruh variasi kualitas dan ketebalan LTP terhadap kinerja sistem secara numerik. Pemodelan dilakukan menggunakan metode elemen hingga dua dimensi, dengan variasi nilai CBR sebesar 40% dan 45%, serta ketebalan LTP 1 m, 1,5 m, dan 2 m. Parameter yang dianalisis meliputi besarnya penurunan timbunan, faktor keamanan lereng, gaya aksial pada tiang pancang, serta visualisasi arching effect. Hasil penelitian menunjukkan bahwa peningkat…
creator: Andrawan Andrawan
creator: Hendy Wijaya
creator: Ali Iskandar
creator: Albert Johan
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-08
publication date: 2025-08-08
starting page: 997
ending page: 1008
doi: 10.24912/jmts.v8i3.34188

Redaksi Vol. 8 No. 3
type: item
creator: Arif Sandjaya
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-10
publication date: 2025-08-10
starting page: ii
ending page: iii

Kata Pengantar Vol. 8 No. 3
type: item
creator: Arif Sandjaya
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-10
publication date: 2025-08-10
starting page: iv
ending page: iv

Daftar Isi Vol. 8 No. 3
type: item
creator: Arif Sandjaya
rights: Copyright (c) 2025 JMTS: Jurnal Mitra Teknik Sipil https://creativecommons.org/licenses/by-nc-sa/4.0
license: https://creativecommons.org/licenses/by-nc-sa/4.0
date: 2025-08-10
publication date: 2025-08-10
starting page: v
ending page: viii