Experimental research on soil-water characteristic curve of gassy sand of Hangzhou Bay

ZHONG Fang-jie; KONG Ling-wei; ZHU Jian-qun

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Experimental research on soil-water characteristic curve of gassy sand of Hangzhou Bay

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- Experimental research on soil-water characteristic curve of gassy sand of Hangzhou Bay
- Vol. 28, Issue S1, (2007)
- 作者机构：
  
  中国科学院岩土力学研究所岩土力学重点试验室,武汉,430071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：28 March 2014，
  
  Published：2007
- 稿件说明：
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ZHONG Fang-jie, KONG Ling-wei, ZHU Jian-qun. Experimental research on soil-water characteristic curve of gassy sand of Hangzhou Bay[J]. 2007, 28(S1).
DOI：

ZHONG Fang-jie, KONG Ling-wei, ZHU Jian-qun. Experimental research on soil-water characteristic curve of gassy sand of Hangzhou Bay[J]. 2007, 28(S1). DOI：

摘要

利用GDS三轴系统4D应力路径模块，进行了不同围压下含浅层生物气非饱和砂土的持水特征试验。分析不同围压对持水特征曲线形态的影响。结果表明，随着围压的施加与增大，非饱和砂土持水能力逐渐减弱。应用所得持水特征曲线进行含浅层气砂土中气藏压力状态的分析预测，结果表明，使用无围压下持水特征曲线进行预测是偏于安全的

Abstract

An experimental research is done on shallow gassy sand under different confining pressures with GDS triaxial system’s 4D stress path module. The results show that there is a remarkable influence on form of SWCC considering different confining pressures and water storage capacity of unsaturated sand declines gradually with infliction and accretion of confining pressure. Finally

pressure of shallow gas reservoir with SWCC is a analyzed and forecast

and the forecasted result is higher if SWCC is used without confining pressure.

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