Analysis of pressuremeter test result in littoral deposit soft soil

YANG Chao; WANG Ren; MENG Qing-shan

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Analysis of pressuremeter test result in littoral deposit soft soil

更新时间：2026-06-25

- Analysis of pressuremeter test result in littoral deposit soft soil
- Vol. 32, Issue S1, (2011)
- 作者机构：
  
  中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室,武汉,430071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU411
- Online First：16 May 2011，
  
  Published：2011
- 稿件说明：
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YANG Chao, WANG Ren, MENG Qing-shan. Analysis of pressuremeter test result in littoral deposit soft soil[J]. 2011, 32(S1).
DOI：

YANG Chao, WANG Ren, MENG Qing-shan. Analysis of pressuremeter test result in littoral deposit soft soil[J]. 2011, 32(S1). DOI：

摘要

运用旁压仪在长江入海口进行原位试验，获得了旁压试验各参数的变化规律。旁压试验结果表明：初始压力P0与土层随深度而线性增加；而临塑压力Pf、极限压力Pl 和旁压模量Em等试验参数受到土层性质影响十分显著，各参数在土层中变化趋势基本相同，总体趋势为：淤泥质黏土<黏土<粉质黏土<黏质粉土<粉砂；但同一土层中，各试验参数随深度呈线性增大。旁压试验在确定侧向基床反力系数Kh时土体处于似弹性阶段，水平变形约5～8 mm，同时受到排水条件的影响，导致计算的Kh值与规范参考值存在一定差异，在使用中应根据实际情况作适当修正。

Abstract

The regularities of parameters are gotten from the pressuremeter test at the estuary of the Yangtze River. The result of pressuremeter test shows that: the initial pressure P0 increases linearly with depth; the Pf

limit pressure Pl and the pressuremeter modulus Em are significantly impacted by soil properties and they have the same trend in the soil layers. The trend is: muddy clay

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