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Title: Evaluate the Effect of Waste Ground Rubber Tire Powder in Hot Mix Asphalt
Authors: Abusharar, Sari W.
Al-Tayeb, Mustafa
Keywords: Hot mix asphalt
Waste ground rubber tire powder
Dry process
Marshall test method
Issue Date: 11-Mar-2016
Publisher: Journal of Multidisciplinary Engineering Science and Technology (JMEST) Vol. 3 Issue 3
Citation: Abusharar, S. W., & Al-Tayeb, M. Evaluate the Effect of Waste Ground Rubber Tire Powder in Hot Mix Asphalt.
Abstract: In the present study, the effect of waste ground rubber tire powder (WGRTP) modifier on various mechanical properties such as Marshall stability, flow, Marshall quotient (MQ), bulk specific gravity, air voids, voids filled with bitumen (VFB) and percent voids in compacted mineral aggregates (VMA) of asphalt mixture has been evaluated. The Marshall tests of the polymer modified asphalt mixture, prepared through dry process, indicated the optimum waste polymer modifier content to be 5% by weight of mix. The waste polymer modified asphalt mix containing 5% WGRTP showed considerable improvement in various mechanical properties of the mix compared to the conventional asphalt mixture. The appropriate amount of the added WGRTP was found to be 5% by weight of aggregate. This percentage results in the maximum level of stability.
Description: Engineering Science and Technology
ISSN: 2458-9403
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