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

作　　者：王星 李继承 魏倩 李成鑫 黄甜 Wang Xing;Li Jicheng;Wei Qian;Li Chengxin;Huang Tian(Engineering Technology Research Institute of CCTEB Group Co.,Ltd.,Wuhan 430064,Hubei,China)

机构地区：[1]中建三局集团有限公司,湖北武汉430064

出　　处：《岩土工程技术》2024年第2期163-168,共6页Geotechnical Engineering Technique

基　　金：灌注桩沉渣控制关键技术研究(CSCEC3B-2020-26)。

摘　　要：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.

关 键 词：型钢支撑 地连墙 基坑支护 数值分析 基坑监测 

分 类 号：TU473[建筑科学—结构工程]