Dynamic triaxial drained test and analysis of saturated silty-sand soil

DING Bo-yang; ZHANG Yong; WANG Rui-feng; XU Ting

doi:10.16285/j.rsm.2016.04.002

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Dynamic triaxial drained test and analysis of saturated silty-sand soil

更新时间：2026-06-25

- Dynamic triaxial drained test and analysis of saturated silty-sand soil
- Vol. 37, Issue 4, Pages: 922-928(2016)
- 作者机构：
  
  1. 浙江大学城市学院,浙江,杭州,310012
  2. 浙江工业大学建筑工程学院,浙江,杭州,310014
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2016.04.002
  CLC： TU435
- Online First：09 June 2018，
  
  Published：2016
- 稿件说明：
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DING Bo-yang, ZHANG Yong, WANG Rui-feng, et al. Dynamic triaxial drained test and analysis of saturated silty-sand soil[J]. 2016, 37(4): 922-928.
DOI：

DING Bo-yang, ZHANG Yong, WANG Rui-feng, et al. Dynamic triaxial drained test and analysis of saturated silty-sand soil[J]. 2016, 37(4): 922-928. DOI： 10.16285/j.rsm.2016.04.002.

摘要

饱和土在理论上一直以两相饱和孔隙介质模拟，利用Biot饱和孔隙介质动力方程纵波解耦的 (u为波动的振幅位移，p为孔隙水压)解答，结合排水的Somigliana表象积分，能够完成饱和土排水动力反应计算，结果也能在野外试验中验证。为了进一步深入研究饱和土排水的动力特性，设计了室内饱和土动三轴的排水试验，以不同状态饱和粉砂土排水状态下试验的结果，阐述了排水理论计算解答与动三轴试验测试结果的对比分析。最后指出修正后的理论解答与饱和粉砂土的试验测试结果较吻合，并在今后饱和土伴有排水的动力响应分析能在饱和土动力学问题研究中有所应用。

Abstract

The saturated soil is simulated as a two-phase saturated medium in theory so far. Using (u is the displacement amplitude of corresponding wave

p is the porous pressure) solutions of Biot’s dynamic equation decoupled dilational waves

associated with Somigliana’s representation integration

the numerical implementations of dynamic response for saturated soil with drainage are able to complete. These results can also be confirmed in the fields experiments. This paper describes the dynamic property of the saturated soil with drainage in dynamic triaxial test

and makes the comparison between the numerical implementations of flux drainage from equations and measured results in triaxial test. These analysis results show that the performance on computation by Somigliana’s integration with drainage is true. The analysis of dynamics response with drainage for the saturated soil employed in these achievements can be used in analyzing the soil dynamic issues in the future.

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