挤扩支盘桩在地下建筑抗浮设计中的应用
摘要:对目前地下建筑的各种抗浮措施进行了分析,根据挤扩支盘桩的受力特征,提出了采用挤扩支盘桩作为抗浮桩的新思路,给出了挤扩支盘桩单桩承载力的计算公式和构造要求,阐述了该方法的施工要点,并结合工程实例进行了技术经济分析。工程实践表明,采用挤扩支盘桩解决地下建筑抗浮问题是一种比较经济、合理的新方法。
Abstract:Various current anti-floatting measures in the Underground building are analyzed. According to the bearing force character of squeezed branch pile, a new idea that squeezed branch pile is used to anti-floatting pile is suggested. The calculation formula and structure requests are given. The technology of construction for squeezed branch pile is elaborated too. A practical project is analyzed in technique and economy,it shows that it is very economical and reasonable that squeezed branch pile is used to solve the anti-floatting problem of the underground building.
中文标题:
挤扩支盘桩在地下建筑抗浮设计中的应用
Application of Squeezed Branch Pile in Underground Building for Anti-floating Design
作者:
方崇,张信贵,闭历平
Fang Chong,Zhang Xingui,Bi Liping
作者简介:方崇,1965年生,男,壮族,广西横县人,广西大学结构X程专业博士研究生,工程师,主要从事岩土工程和结构工程工作。E-mail:fangchongl965@tom.com
通讯地址:
广西大学土木建筑工程学院, 广西南宁 530004
CollegeofCivilandArchitecturalEngineering,GuangxiUniversity,NanningGuangxi530004China
中图分类号:TU473.11
出版物:岩土工程技术
收稿日期:2005-10-04
关键词:地下建筑,挤扩支盘桩,抗浮桩,抗拔极限承载力
Key words:underground building,squeezed branch pile,anti-floatting pile,ultimate pullout resistance
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