The manual hole digging pile was adopted in foundation of some building. Granite residual clay was chosen as the bearing stratum of pile tip.
某建筑物基础采用人工挖孔桩，桩端持力层为花岗岩残积粘性土，经检测发现桩身完整而承载力远低于设计要求。
The manual hole digging pile was adopted in foundation of some building. Granite residual clay was chosen as the bearing stratum of pile tip.
某建筑物基础采用人工挖孔桩，桩端持力层为花岗岩残积粘性土，经检测发现桩身完整而承载力远低于设计要求。
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