Analysis of consolidation of underlying soft layer of ground by partially penetrated sand drain

ZHANG Yu-guo; XIE Kang-he; WANG Zhe; ZHUANG Ying-chun

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Analysis of consolidation of underlying soft layer of ground by partially penetrated sand drain

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- Analysis of consolidation of underlying soft layer of ground by partially penetrated sand drain
- Vol. 26, Issue 11, (2005)
- 作者机构：
  
  1. 中原工学院土木建筑系,郑州,450007
  2. 浙江大学岩土工程研究所,杭州,310027
  3. 浙江工业大学建筑工程学院,杭州,310020
  4. 华东勘测设计研究院,杭州,310014
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU433
- Online First：03 January 2014，
  
  Published：2005
- 稿件说明：
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ZHANG Yu-guo, XIE Kang-he, WANG Zhe, et al. Analysis of consolidation of underlying soft layer of ground by partially penetrated sand drain[J]. 2005, 26(11).
DOI：

ZHANG Yu-guo, XIE Kang-he, WANG Zhe, et al. Analysis of consolidation of underlying soft layer of ground by partially penetrated sand drain[J]. 2005, 26(11). DOI：

摘要

利用平均固结度普遍解，将未打穿砂井地基转化为等效双层地基，给出了下卧层一维固结解析解，进而求出下卧层的平均固结度。根据该解和现有解，编制计算机程序，给出了几幅考虑c值和土性参数对固结的影响曲线图，评估各解的适用性。研究表明，该解满足工程要求，特别是在PTPB排水条件下能够较好地反映Uz-Tv曲线的真实变化。

Abstract

The ground by partially penetrated sand drain is turned into a equivalent-double-layered ground with the general solution of the average degree of consolidation; and the analytical solution of 1-D consolidation for the underlying soft layer is given; and furthermore the average degree of consolidation is obtained. Based on this solution and the present existed solutions

these relevant programs are programmed. The influence of c and soil property parameters on the consolidation process is investigated; and the relevant results are prepared in graph forms; and the applicabilities of all these solutions are evaluated. It is shown that the solution in this paper fulfills the requirements of project. Especially in the case of PTPB

the curves of Uz-Tv are more actual which drawn by this solution in comparison with the others.

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