深基坑工程综合支护施工技术  

CONSTRUCTION TECHNIQUE OF GENERAL SUPPORTING IN DEEP FOUNDATION PIT PROJECT

作　　者：刘刚[1] 

机构地区：[1]江苏南通六建建设集团有限公司,江苏如皋226500

出　　处：《建筑技术开发》2014年第6期27-29,共3页Building Technology Development

摘　　要：光信·国信嘉园项目基坑深度为11.5 m,呈反L形,地下2层,地上17层,裙房3层,建筑总高68.1m,基坑安全等级为一级。工程地下水控制采用侧壁水泥土搅拌桩非落地式帷幕和中深井降水的联合处理方式,支护采用排桩和锚索综合支护体系,减少了基坑变形、降水对周边建筑物的沉降影响,支护变形实际监测未达到报警值,比采用单一桩支护方案成本降低20%以上,收到预期效果。The L-shape foundation pit of Guangxin-Guoxin Garden project is as deep as 11.5m. The project is composed of 2 underground floors, 3 podium floors and 17 overground floors, with a total building height of 68.1m. The foundation pit belongs to class I safety. Groundwater is controlled through a joint method of cement. soil pile non-floor-length curtain wall plus medium deep well dewatering, and composite supporting system is composed of row of piles and anchor cable, to reduce the foundation pit deformation and settlement of surrounding buildings due to dewatering. Actual monitored deformation of the supporting system doesn＇t reach the alarm limit. This technique could save more than 20% of construction cost than single pile supporting system and successfully realizes the expected effect.

关 键 词：深基坑 支护 搅拌桩 深井降水 排桩 锚索 基坑监测 

分 类 号：TU753[建筑科学—建筑技术科学]