粉喷桩处理桥头跳车影响因素分析及控制

Discussion on the influencing factors for DJM pile treatment of vehicle jumping at bridge ends

通过工程实例分析了粉喷桩处理桥头跳车的影响因素,主要包括有粉喷桩的强度、置换率、桩底持力层、地基土含水量、施工工艺和搅拌机钻头的选择等,并提出相应的控制措施。

The influencing factors for DJM pile treatment of vehicle jumping at bridge ends were analyzed through project example, the factors include the strength of DJM pile, replacement ratio, the bearing stratum at the bottom of pile, moisture content of foundation soil, construction technique and selection of drill bit of mixer etc, and corresponding control measures were put forward.