基坑围护结构地下连续墙遇微风化岩施工技术优化研究及应用  

Excavation of Underground Continuous Wall Retaining Structure of Rock Encountered Breeze Optimization of Construction Technology Research and Application

作　　者：司海峰 

机构地区：[1]广州市第二市政工程有限公司,广州510060

出　　处：《广东土木与建筑》2009年第12期20-22,共3页Guangdong Architecture Civil Engineering

摘　　要：广州地铁三号线同和站基坑围护结构地下连续墙施工中遇到微风化岩层,通过技术方案优化后采用吊脚连续墙,以及施工预处理超前梅花钻工艺,达到了预定的工期目标并取得极大的工程效益。In this paper,the Guangzhou Metro Line and station foundation pit with the structure encountered in the construction of underground continuous wall of rock in the breeze.Through the optimization of technical solutions to be used after hanging foot continuous wall,and the plum blossom ahead of construction pre-drilling technology,to achieve the intended duration of the project objectives and great benefits.

关 键 词：连续墙成槽 微风化岩层 吊脚连续墙 岩层预处理 超前梅花钻孔 

分 类 号：TU753.3[建筑科学—建筑技术科学]