聚合物泥浆与膨润土泥浆对摩擦桩桩基承载力的对比研究

Comparative Study of Bearing Capacity of Friction Pile by Use of Polymer Mud and Bentonite Slurry

针对水敏性地质环境,开发出防塌聚合物泥浆,并对其性能进行分析,同时利用该聚合物泥浆和膨润土泥浆在相同地质、同一地点下,进行了成桩实验。自平衡法静载实验结果表明:在相同荷载作用下,聚合物泥浆成桩的桩基变形量明显小于膨润土泥浆桩基的变形量,侧摩阻力得到显著提高。

Based on water sensitivity of the geological environment, anti-sloughing polymer mud was developed and its properties were analyzed. The polymer mud and traditional bentonite slurry were used as the friction pile experiments under the same place and geological. By the method of self balanced static load experiment, the results had shown that under the same load, the deformation of polymer on the friction pile was obviously less than bentonite slurry and the side friction resistance was significantly improved.