Experimental study on marshall stability and flow of Asphalt Concrete Wearing Course (AC-WC) mixture using Asbuton semi extracted as binder

Abstract

Abstract This study is a part of an on going research program to optimize the utilization of the huge deposit of natural asphalt in several areas in Buton Island, Indonesia. In asphalt production processes it is important to think about energy savings and environmental benefits. Production of AC-WC mixture using Asbuton semi extracted bitumen is one of the efforts to reduce energy consumption. Asbuton modification is a semi extracted bitumen produced from Buton natural rock asphalt, it can be used as a binder material in asphalt mixture. This paper presents Marshall test that was performed on AC-WC mixture using Asbuton semi extracted as binder. The result of Marshall test shows the sufficient stability and resistance to deformation can be established by aggregate interlocking and cohesion which developed due to the Bitumen in Asbuton semi extracted.

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