佛山市某办公商住楼工程,高１２层,地下１层,总建筑面积３３４８５ｍ２,其中地下室建筑面积３９４０ｍ２。该工程西、北侧均为马路,东面临河,南面为待建空地。基坑开挖深度为地表下-３．５～-４．５ｍ,地下水位埋深-０．８～-１．０ｍ。１基坑支护防渗方案由于地下水位埋深浅, The office of a commercial and residential building in Foshan City is 12 floors high and 1 underground, with a total construction area of ​​33,485 m2, of which the basement building area is 3,940 m2. The west and north sides of the project are roads, the east faces the river, and the south is the open space to be built. The excavation depth of the foundation pit is -3.5 to -4.5m below the surface, and the groundwater depth is -0.8 to -1.0m. 1 Anti-seepage plan for foundation pit support due to the shallow groundwater depth