Utilization of recycled asphalt concrete with different warm mix asphalt additives prepared with different penetration grades bitumen

摘要: Abstract This paper describes the feasibility of utilizing three different warm mix asphalt (WMA) additives prepared with B50/70 bitumen percentages recycled pavement (RAP). The mechanical properties WMA containing RAP have been analyzed and compared without RAP. Following determination optimum content along suitable additive at bitumen, grade has changed effects on variation contents investigated. results indicated that, systems provides significant benefits regards to environment that mixtures exhibit performance level better than control mixtures. Moreover, it is possible consider an increment seen in using higher penetration grades organic additive.