高频渠化交通条件下路面材料适用性研究  

Study on the Applicability of Pavement Materials Under High-frequency Canalized Traffic Conditions

作　　者：张学欣 张洪剑 夏秀江 潘彪 魏来 褚辞 江磊 ZHANG Xuexin;ZHANG Hongjian;XIA Xiujiang;PAN Biao;WEI Lai;CHU Ci;JIANG Lei(Beijing Urban Construction Design&Development Group Co.,Ltd.,Beijing 100045,China;Jiangsu Sobute New Materials Co.,Ltd.,Nanjing,Jiangsu 211103,China;State Key Laboratory of High Performance Civil Engineering Materials,Nanjing,Jiangsu 210008,China;Jiangsu Research Institute of Building Science Co.,Ltd.,Nanjing,Jiangsu 210008,China)

机构地区：[1]北京城建设计发展集团股份有限公司,北京100045 [2]江苏苏博特新材料股份有限公司,江苏南京211103 [3]高性能土木工程材料国家重点试验室,江苏南京210008 [4]江苏省建筑科学研究院有限公司,江苏南京210008

出　　处：《公路工程》2024年第3期113-120,185,共9页Highway Engineering

基　　金：国家自然科学基金项目(52078241);湖南省交通科技项目(202111);江苏省青年基金项目(BK20220219);江苏省青年基金项目(BK20210058)。

摘　　要：重载渠化交通条件下,要求路面材料具有较高抗车辙性能和优异路用性能,针对智轨快运系统高频重载渠化交通条件,对比多项抗车辙技术。以高掺量抗车辙剂、高模量改性剂、环氧沥青、半柔性沥青混合料为代表,综合评价各材料抗车辙性能及其余路用性能,通过试验比选出环氧沥青与半柔性沥青混合料。与其他抗车辙技术相比,半柔性沥青混合料性能优异,动稳定度达到45 000次/mm,同时兼顾水稳定性和低温性能;环氧沥青在具有优异高温抗车辙性能的基础上,低温性能更有优势。恒应变控制条件下,半柔性沥青混合料抗疲劳性能优异。Under the heavy and channelized traffic conditions,pavement materials are required to have higher anti rutted performance and excellent road performance.In response to the high-frequency heavy traffic and channelized traffic conditions of Autonomous rail Rapid Transit,comparing many anti-rutting technologies.Represented by high-content anti-rutting agent,high-modulus additive,epoxy asphalt and semi-flexible asphalt mixture,comprehensive evaluation of the anti-rutted and road performance of each materials,then selected the epoxy asphalt and semi-flexible asphalt mixture through the test.Compared with other anti-rutting technologies,the semi-flexible asphalt mixture has excellent performance,with the Dynamic stability reaches 45000 times/mm,while combine the water stability and low temperature performance.On the basis of excellent high-temperature anti-rutted performance,epoxy asphalt has more advantages of low-temperature performance.Under constant strain control conditions,semi-flexible asphalt mixture has excellent fatigue resistance.

关 键 词：智轨快运系统 重载渠化交通 抗车辙性能 半柔性沥青混合料 疲劳性能 

分 类 号：U414[交通运输工程—道路与铁道工程]