人工挖孔桩基础施工事故处理实例福建某医院门诊楼和福建某菜蔬批发转运站人工挖孔桩基础工程，均因施工时发生流砂、涌泥、涌水以及隆底等不良地质现象，人工挖孔桩无法深挖到设计持力层，导致基础施工失败。应用高压喷射注浆技术处理这两个基础事故的要点如下：（１）采... Example of accidents caused by manual digging pile foundation construction The artificial digging pile foundation project of an outpatient building of a hospital in Fujian Province and a vegetable wholesale and transfer station in Fujian was due to unfavorable geological phenomena such as quicksand, mud inflow, gushing water and long bottom at the time of construction. The pile cannot be dug deep into the design bearing layer, causing the foundation construction to fail. The main points of using high-pressure jet grouting technology to deal with these two basic accidents are as follows: (1) mining...