In a foundation pit in soft soil area, gravity retaining wall with diagonal bracing is used as well as those without bracing.

• 在软土地区一大型基坑中，同时采用了竖向斜撑对水泥搅拌桩重力式挡土墙进行加强和单纯采用重力式挡土墙两种基坑围护形式。