摘要
依托京沪高速公路(上海段)拓宽工程,针对拓宽路基部分的软基问题,采用φ400PHC管桩处理方案,通过沉降观测手段,分析了PHC管桩用于控制拓宽路基总沉降及差异沉降的技术效果,初步结论对上海地区高等级道路拓宽工程以及桥头跳车处治具有借鉴作用。
Depending on H uning Expressway(shanghai section) widening project,this article analyzed the total and differential settlement of soft soil foundation treated byΦ400 PHC pipe pile in widening subgrade.The research conclusions and field testing result can be referred by bridgehead bumping project or subgrade widening construction.
出处
《上海公路》
2010年第3期13-17,共5页
Shanghai Highways
