采用人工挖孔桩桩端后压浆技术能使桩承载力提高50%。
The pile supporting capacity can be raised 50% after using man-power hole pile mud jacking technology.
应用的经验公式及其计算参数可供同类型地质的后压浆人工挖孔桩的设计参考。
The empirical formula and calculation parameters can be used in design of post grouting man power mine pile on the same geological type with reference value.
同时也验证了后压浆人工挖孔桩的承载力可以通过经验公式进行估算。
It is also verified that the bearing capacity of post grouting manpower mine pile can be estimated by empirical formula.
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