钻孔扩底灌注桩在太原电信二枢纽项目中的应用  

Application of bored pedestal pile in Taiyuan communication hub No.2 project

作　　者：秦秀伟[1] 

机构地区：[1]山西省水利水电勘测设计研究院,山西太原030024

出　　处：《山西建筑》2016年第17期61-62,共2页Shanxi Architecture

摘　　要：对比分析了后压浆、支盘桩、钻孔扩底桩三种钻孔灌注工艺的优缺点与适用范围,根据太原二枢纽项目的实际情况,采取了钻孔扩底灌注桩施工技术,并阐述了该技术的操作要点,达到了预期的施工效果。The paper compares and analyzes merits and defects and application scopes of three kinds of bored pile construction technologies including post-grouting method,expanded-branches pile and bored pedestal pile,applies bored pedestal pile construction techniques according to actual conditions of Taiyuan hub No. 2 project,and describes its operation points. As a result,it achieves expected construction effect.

关 键 词：钻孔灌注桩 扩底桩 后压浆法 桩基 

分 类 号：TU473.14[建筑科学—结构工程]