PENGARUH PERGANTIAN ASPAL DENGAN 2% GETAH DAMAR TERHADAP SIFAT MARSHALL CAMPURAN AC-BC

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Published: Aug 30, 2023
DOI: https://doi.org/10.24912/jmts.v6i3.23318
Keywords:
Modification Asphalt AC-BC Gum Resin

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Kusmira Agustian
Akademi Komunitas Negeri Aceh Barat
Khairul Anwar
Universitas Gunung Leuser

Abstract

This study aims to determine the effect of replacing 2% gum resin in asphalt-on-asphalt concrete-binder course (AC-BC) mixtures. The initial step is to examine the physical properties of the asphalt mixture, followed by making samples with several percentages of asphalt to determine the optimum asphalt content (OAC). After OAC was obtained, samples were made again on OAC either without or with 2% gum resin replacement. The OAC obtained for the asphalt mixture without gum resin replacement was 4.75%, while the OAC with 2% gum resin replacement was 4.65%. The stability value of the mixture with 2% gum resin replacement was higher than the mixture without gum resin, namely: 2,276.66 Kg compared to 2,143.92 Kg. Density, void in mineral aggregate (VMA), a void filled by asphalt (VFA), flow, and Marshall quotient values of the two types of mixtures met the required specifications. The results of calculating the durability of the mixture without gum resin replacement were obtained greater than the mixture with 2% gum resin replacement, namely: 93.16% versus 97.03%. This shows that the two types of mixtures can survive and not be damaged when changes in temperature and weather occur. It can be concluded that the use of gum resin as a substitute for asphalt can improve the quality of the asphalt mixture both in receiving repeated traffic loads and in dealing with climate change.

Article Details

Issue
Volume 6, Nomor 3, Agustus 2023
Section
Articles
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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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Author Biographies

Kusmira Agustian, Akademi Komunitas Negeri Aceh Barat

Program Studi Konstruksi Pondasi, Beton dan Pengaspalan Jalan

Khairul Anwar, Universitas Gunung Leuser

Program Studi Teknik Sipil, Fakultas Teknik

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