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The Effect of Asphalt Content and Scrap Rubber Size on the Ballast Layer Properties
Dian M Setiawan, Sri Atmaja P. Rosyidi, Cahyo Budiyantoro

Universitas Muhammadiyah Yogyakarta


Abstract

Ballasted track is a technology that commonly used in Indonesia due to the practical in build and maintenance. However, the application of this technology causes much ballast degradation that effect the rail track geometric condition. The rail track stabilization using bitumen and scrap tire was recommended to make a solution the problem of the ballasted track. In this research, scrap rubber and bitumen used as much as 10% and 2% of total weight, respectively. The samples then built with 4 different configurations to analyses the value of some parameters such as void volume, deformation, abrasion, and elasticity modulus. Results show that the ballast with scrap rubber and bitumen has a smallest value of void volume which is 35.21%. Also, the sample of ballast with bitumen has the smallest deformation value, which is 5 mm at the load of 483.4 kPa, and the highest elastic modulus, which is 27.13 MPa. Furthermore, the smallest value of abrasion, 19.6 grams, was occurred on ballast with bitumen and scrap rubber.

Keywords: Abrasion, deformation, elastic modulus, stabilization, volume void

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

Link: https://ifory.id/abstract/xWyc8rBMHRe9

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

Plain Format | Corresponding Author (Dian M Setiawan)

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