古北路桥北接坡路面拱起原因调查分析及应对策略  

Survey and Treatment of Pavement Heave in Gubei Road Bridge's North Access Road

作　　者：金牛娟 陈亮 

机构地区：[1]上海市市政规划设计研究院,上海200031

出　　处：《上海公路》2013年第4期20-22,10,共3页Shanghai Highways

摘　　要：上海的古北路桥北接坡路面近年来出现不均匀、无规律及不同程度的拱起现象.道路养护单位曾多次对接坡的沥青混凝土面层进行铣刨修补及加固但效果均不理想,且有愈发严重和扩大的趋势,为查明原因,从路况调查、样洞分析、材料试验、损坏机理等方面进行了全方位,多角度深入细致的调查分析,最终查明了原因并提出了相应的应对策略和整治方案.The pavement surface has been heaving irregularly and unevenly for years in north access road of Gubei Road Bridge in Shanghai.The maintenance company has repeatedly tried polishing,repairing and reinforcing the asphalt layer but failed, the pavement heave became even worse,a scry ofsurey has been carried out including surface investigations,hole samples test,materials experiments etc.The damaging causations have been found and treating measures is proposed.

关 键 词：石灰粉煤灰稳定碎石 SO3含量 

分 类 号：U416.2[交通运输工程—道路与铁道工程]