三灵高速公路No.7B标段软基粉喷桩处理

The Handling of the Cement Injection Pile in Soft Foundation on the Section No.7B of SanLing Expressway

通过三灵高速公路 No.7B标段粉喷桩处理软基的施工实践 ,总结粉喷桩应用于高速公路软基处理的施工工艺 ,质量控制手段 ,质量检测方法 ,通过和其它软基处理方案对比 ,粉喷桩处理后的软基 ,克服了涵洞基础沉降 ,桥头跳车 ,路基沉降现象 ,并且快速、经济。

According to construction experience of cement injection pile for soft foundation treatment of contract No.7B of LSE and summary construction technology.Quality control measure,quality detects method that cement injec tion pile used in soft foundation treatment of expressway.Also contrast to offer technology for soft foundation treatment soft foundation treated by cement injection pile have been settled down,the problems of foundation settlement of culverts, vehicle jump at bridge head and sub grade settlement.Moreover,it is rapid and economy.