后压浆提高钻孔灌注桩承载力的试验研究
摘要:后压浆技术能改善桩端沉渣和桩周泥皮。通过某工程压浆试验,表明后压浆工艺能大幅度提高基桩承载能力,减小沉降量,并结合分布式光纤检测得到了桩身侧摩阻分布图,对压浆效果及作用机理进行了直观地分析。
Abstract:Post-grouting technology can improve the disadvantage of bored piles. It has been proved that post-grouting technology can advance the bearing capacity and reduce the settlement of pile markedly by some post-grouting experimentation. Side frictional resistance distribution map of pile has been gained according to distributed optical fibre detection, and post-grouting effect and mechanism of action are also analysed.
中文标题：
后压浆提高钻孔灌注桩承载力的试验研究
Experimental Study on Bearing Capacity of Bored Piles Using Post-grouting Technology
作者：
肖坚1,赵刚2
Xiao Jian1,Zhao Gang2
作者简介:肖坚,1980年生,男,汉族,湖南湘乡人,工学硕士,从事岩土工程设计和施工管理工作。
通讯地址：
1. 中兵勘察设计研究院, 北京 100053; 2. 北京方恒置业股份有限公司, 北京 100005
1.Chinaordnanceindustrysurvey,design&researchinstitute,Beijing100053,China; 2.BeijingFanghengLandCo.,Ltd.,Beijing100005,China
中图分类号:TU473.16
doi:10.3969/j.issn.1007-2993.2011.01.003
出版物：岩土工程技术
收稿日期:2010-10-20
关键词:钻孔灌注桩,后压浆,分布式光纤,承载力
Key words:Bored pile,Post-grouting,Distributed optical fibre,Bearing capacity
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