高粘沥青SMA-13试验段路用性能试验研究  

Experimental Study on Road Performance of High Viscosity Asphalt SMA-13 Test Section

作　　者：周勇 蒋龙松 张洪波 刘康 ZHOU Yong;JIANG Long-song;ZHANG Hong-bo;LIU Kang(Sujiaoke Group Co.,Ltd.,Nanjing,Jiangsu 211110,China)

机构地区：[1]苏交科集团股份有限公司,江苏南京210017

出　　处：《黑龙江交通科技》2023年第1期10-13,共4页Communications Science and Technology Heilongjiang

摘　　要：为了研究高粘沥青SMA-13路用性能,通过原材料试验评价动力黏度,以及马歇尔稳定度试验确定最佳油石比。并通过浸水马歇尔试验对比分析高粘沥青和改性沥青抗水损害性能,最后通过试验段综合评价高粘沥青SMA-13和改性沥青SMA-13路用性能。研究表明:高粘沥青具有更高的粘度、稳定度和流值。在渗水性能方面,高粘沥青表现出优异的抵抗路面水渗透能力。高粘沥青表现出优异的集料抗飞散性。In order to study the road performance of high viscous asphalt SMA-13,the dynamic viscosity was evaluated by raw material test, and the optimum oil to stone ratio was determined by Marshall stability test.And through the water immersion Marshall test to compare and analyze the high viscosity asphalt and modified asphalt resistance to water damage, and finally through the test section comprehensive evaluation of high viscosity asphalt SMA-13 and modified asphalt SMA-13 road performance.The study showed that: high viscosity asphalt has higher viscosity, stability and flow value.In terms of water penetration performance, high viscous asphalt exhibited excellent resistance to pavement water penetration.High viscosity asphalt exhibited excellent resistance to aggregate fly-away.

关 键 词：改性沥青 高粘沥青 行车安全 渗水系数 路用性能 

分 类 号：U416.1[交通运输工程—道路与铁道工程]