某地铁明挖基坑围护结构侵界处理  

Boundary-transgression Treatment of Support Structure of Deep Foundation Excavation in Some Metro Project

作　　者：刘金果[1] 周正永[2] 胡长明[2] 常涛[1] 

机构地区：[1]中铁一局集团,陕西西安710055 [2]西安建筑科技大学,陕西西安710054

出　　处：《施工技术》2009年第S1期79-82,共4页Construction Technology

摘　　要：处理深基坑围护结构桩位偏位和倾斜具有工期紧、技术难度大的特点,对后续主体结构的施工有重大的影响。针对某地铁明挖基坑围护桩偏位的情况,现场进行了紧急处理,以确保整个基坑的安全以及主体结构的施工质量及使用年限。事实证明这一基坑事故后对于围护结构的处理是行之有效的。The treatment for the location-deviating and slope of the pile of the support structure in the deep foundation excavation construction has the characteristic of time urgency and technical difficulty,which has some important impacts for the later main structure construction.In connection with a fact of the location-deviating of the pile in a deep foundation excavation of some subway,the engineers take the urgent treatments,in order to guarantee the safety of the whole foundatson excavation,quality of the principal structure and its fixed number of year for use.Facts have proved that these treatments for the support structure is possible and effective for the later construction.

关 键 词：深基坑 围护桩 处理 

分 类 号：U231.3[交通运输工程—道路与铁道工程]