摘要
应用马歇尔试验和高温车辙试验,研究了沥青混合料在含有不同比例矿物纤维下的马歇尔指标和高温车辙性能,发现矿物纤维量在5%范围内时混合料的最佳沥青用量、稳定度和孔隙率随着矿物纤维量的增加而增大,流值和密度却相应的降低;AK-13A沥青混合料60℃车辙试验结果表明矿物纤维的加入能有效的增强混合料的高温稳定性;可见,掺入矿物纤维是控制沥青混合料车辙的一种有效方法。
The Marshall index and high-temperature rutting performance of asphalt mixture with various mount of mineral fiber were studied by Marshal test and high-temperature rutting test.In the range of 5%,optimum asphalt content,stability and the voids increased with an increase of mineral fiber,but flow value and asphalt density decreased.The results showed that the incorporation of mineral fiber was effective for improving the high-temperature stability of asphalt.The incorporation of mineral fiber was a kind of effective method to control rutting.
出处
《公路工程》
北大核心
2015年第5期214-216,254,共4页
Highway Engineering
关键词
道路工程
马歇尔试验
车辙
矿物纤维
沥青路面
road engineering
marshal test
rutting
mineral fiber
asphalt pavement
