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复合地基上部软弱层或夹层的处理方法及实效分析
引用本文:夏才安,李卫林,陆勇,楼勇. 复合地基上部软弱层或夹层的处理方法及实效分析[J]. 浙江工业大学学报, 2003, 31(6): 679-683
作者姓名:夏才安  李卫林  陆勇  楼勇
作者单位:1. 浙江工业大学,建筑工程学院,浙江,杭州,310032
2. 杭州市建筑工程质量安全监督总站,浙江,杭州,310005
摘    要:振动挤密砂石桩复合地基的应用已取得较好效果,但其上部常存在软弱土层或夹层、厚薄不一,直接影响了该方法的推广和效应。本文介绍采用换层振压密实或补偿基础的处理方法,并经工程实践,通过静载试验、标贯试验、静力触探等手段验证了实际效果。

关 键 词:振动挤密砂石桩复合地基 杭州市 粉土地基 承载力 软弱土层
文章编号:1006-4303(2003)06-0679-05
修稿时间:2002-11-12

Efficiency analysis & method of treating sandwich or weak soil on the top of compozite foundation
XIA Cai-an,LI Wei-lin,LU Yong,LOU Yong. Efficiency analysis & method of treating sandwich or weak soil on the top of compozite foundation[J]. Journal of Zhejiang University of Technology, 2003, 31(6): 679-683
Authors:XIA Cai-an  LI Wei-lin  LU Yong  LOU Yong
Affiliation:XIA Cai-an~1,LI Wei-lin~2,LU Yong~2,LOU Yong~2
Abstract:The application of sand-stone vibratory compacting pile composite foundation has been very effective. But on the top of the foundation sandwich or weak soil varying from thin to thick often exists, this has direct influence on the efficiency and expansion of this method. This paper introduces a method using stratified vibratory compacting or compensating foundation. After being adopted in projects, the actual effect of this method is proved by static load tests, standard penetration tests, and static penetration tests etc.
Keywords:sand-stone vibratory compacting pile composite foundation  sandwich or weak soil  stratified vibratory compacting  compensating foundation  
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