在水工建筑物或其他基建工程基础施工中,往往由于设计底面高程低于地下水位很深,给基坑开挖带来困难。特别是在靠近河流附近砂性土质区域内,难度更大。为了保 In the construction of hydraulic structures or other infrastructural projects, the excavation of the foundation pit is often difficult due to the fact that the bottom elevation of the design is lower than the groundwater level. Especially near the sand near the sandy soil region, more difficult. To protect