Author:
Kamarudin S N N,Hainin M R,Warid M N M,Satar M K I M,Hassan N A
Abstract
Abstract
The major problem of dry mix method is poor interaction between asphalt binder and additive causing improper workability. Hence, air void content will be increased and reduced the strength of asphalt mixture. Activated Crumb Rubber (ACR) as additive is one possible approach to improve these issues. In this study, nine ACR contents were considered in the study i.e. 0%, 0.25%, 0.50%, 0.75%, 1.0%, 2.0%, 3.0%, 4.0% and 5.0% by weight of total mixtures. The performance of Marshall properties, Resilient Modulus, Tensile Strength Ratio and Hamburg Wheel Tracker (HWT) test were analysed. Based on the results, 0.75% of ACR gave optimum improvement to the performance of Marshall properties, resistance to rutting and cracking but susceptible to stripping.
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