去年9月12日江西宜春地区某建筑工程公司发生一起土方坍塌事故，当时二人丧命。经调查，土方坍塌的主要原因是施工部门对人工控孔桩忽视安全设施。众新周知，人工挖孔桩需设置护壁，特别是松散、软土层更需要对土壁进行加固。该施工单位不仅未对土壁进行加固，更重要的是，基坑 On September 12 last year, a construction collapse accident occurred in a construction company in Yichun, Jiangxi Province. At the time, the two men died. After investigation, the main reason for earthwork collapse is that the construction department neglected safety facilities for artificially controlled piles. It is well known by the public that artificial digging piles need to be provided with protective walls, especially for loose and soft soils, and the soil walls need to be reinforced. The construction unit not only did not reinforce the earth wall, but more importantly, the foundation pit