水泥搅拌土锚索施工技术在深基坑支护中的应用  

Application of Cement Mixing Soil Anchor Construction Technology in Deep Foundation Pit Support

作　　者：贺宝志[1] 

机构地区：[1]中铁十八局集团第三工程有限公司,河北涿州072750

出　　处：《铁道建筑技术》2010年第2期66-68,99,共4页Railway Construction Technology

摘　　要：西安北客站主体明挖基坑最大开挖深度18.7 m,局部21 m。地层自上而下分层为:黏土、黄土状土、粉细砂、中粗砂。设计上采用钻孔灌注桩加锚索的支护形式。锚索在砂层中成孔是支护施工的关键。从锚索设计、施工工艺上进行了详细的说明。The biggest excavation depth of open excavated foundation pit in Xi＇an Narth Station main body is 18.7 m,with some parts 21 m.The geological layers are divided into three from top to bottom： clay,loess-like clay,fine silt and medium coarse sand.The designed support is bored cast-in-situ piles plus anchor.Anchor in sand layer pore-forming is a key to the support construction.This article elaborates in detail the anchor design and construction techniques.

关 键 词：地铁车站 锚索施工 深基坑支护 

分 类 号：TU248.1[建筑科学—建筑设计及理论]