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The Role of Scrap Rubber Size against the Characteristics of Ballast Layer
Dian M Setiawan1, Sri Atmaja P. Rosyidi1, Cahyo Budiyantoro2

1Department of Civil Engineering, Universitas Muhammadiyah Yogyakarta, Jl. Brawijaya, Bantul, 55183, Indonesia

2Department of Civil Engineering, Universitas Muhammadiyah Yogyakarta, Jl. Brawijaya, Bantul, 55183, Indonesia


Abstract

This research utilizes scrap rubber from motorcycle tires as a ballast layer mixture component. A compression test method was used with three test samples: ballast (sample I), ballast with 10% uniform graded scrap rubber (sample II) and ballast with 10% continuous graded scrap rubber (sample III). This research aims to analyze the elastic modulus, durability and vertical deformation of the ballast layer. It can be concluded that the elastic modulus of sample I, II, and III was 14.28 MPa, 8.53 MPa, and 3.10 MPa, respectively. Moreover, the abrasion of sample I, II, and III was 162.1 gr (3.24%), 54.2 gr (1.08%), and 50.1 gr (1%). Furthermore, at the same number of vertical deformation (5 mm), the sample I was able to receive the most considerable load that is 1980.9 Kg, followed by sample II by 1252.2 Kg and sample III by 443.7 Kg.

Keywords: ballast durability, elastic modulus, rail track, scrap rubber, vertical deformation

Topic: International Symposium of Civil, Environmental, and Infrastructure Engineering

Link: https://ifory.id/abstract/3X9tbwUEyAKd

Conference: The 3rd International Conference on Sustainability and Innovation (ICoSI 2019)

Plain Format | Corresponding Author (Dian M Setiawan)

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