型钢支撑+地连墙在深厚砂层的设计施工实践

Design and Construction of Steel Support + Diaphragm Wall Foundation Pit in Deep and Thick Sand Layer Soil

斯里兰卡某酒店基坑位于深厚富水砂层,基坑周边环境复杂,引入中国设计与施工标准,采用地连墙+型钢支撑支护体系,取得了理想的挡土止水支护效果,控制了周边建筑和环境变形。介绍该基坑工程设计与施工过程及关键技术,为后续类似工程提供借鉴和参考。

The foundation pit of a hotel in Sri Lanka is located in a deep and water-rich sand layer.The surrounding environment of the pit is complex.Chinese design and construction standards have been introduced,and a diaphragm wall+steel support system has been adopted,achieving ideal soil and water-retaining support effects,and controlling the deformation of surrounding buildings and the environment.The design and construction process and key technology of the foundation pit project can provide a reference for similar projects in the future.