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二元桩复合地基的应用研究
引用本文:黎良杰,程学军,张建青,覃祖淼. 二元桩复合地基的应用研究[J]. 探矿工程(岩土钻掘工程), 2003, 0(Z1): 25-27
作者姓名:黎良杰  程学军  张建青  覃祖淼
作者单位:中航勘察设计研究院,北京,100086
摘    要:
介绍了北京地区应用广泛的2种刚性桩CFG桩和钻孔夯扩挤密桩相结合形成的二元桩复合地基在锦秀馨园工程中的应用,其中利用CFG桩控制建筑物沉降,利用钻孔夯扩挤密土桩提高浅层土的承载力,通过计算得出了最佳设计方案,静载荷试验和沉降观测结果表明本工程设计是合理的.

关 键 词:二元桩复合地基  CFG桩  钻孔夯扩挤密桩  静载荷试验  沉降观测
文章编号:1000-3746(2003)S1-0025-03
修稿时间:2003-04-30

Design and Application of Double-element Pile Composite Foundation
LI Liang jie,CHENG Xue jun,ZHANG Jian qing,QIN Zu miao. Design and Application of Double-element Pile Composite Foundation[J]. Exploration Engineering (Rock & Soil Drilling and Tunneling), 2003, 0(Z1): 25-27
Authors:LI Liang jie  CHENG Xue jun  ZHANG Jian qing  QIN Zu miao
Abstract:
The composite foundation formed by CFG pile and drilling ram expanded pile (DRE pile) which used widely in Beijing area are applied to a project, using CFG pile to minimize the building settlement and DRE pile to improve shallow soil bearing capacity respectively. The best solution to this project is put forward on the base of calculation. The in situ static loading test and settlement observation results show the design in this project is successful.
Keywords:double element pile composite foundation  CFG pile  DRE pile  static loading test  settlement observation
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