ELASTOPLASTIC SIMULATION OF UNDRAIN BEHOVIOUR OF UNSATURATED SOILS

机译：非饱和土不排水行为的弹塑性模拟

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Recently a few coupled elastoplastic models for unsaturated soil have been proposed. These models can couple hydraulic and mechanic behaviour of unsaturated soils. The effects of the saturation degree on stress-strain behaviour and the void ratio on water-retention behaviour are taken into consideration in the models, in additional to the influence of suction on the both. However, until now, there is no model predictions for the stressstrain and water-retention response under undrain condition. This paper presents the model predictions of unsaturated soil behaviour under undrained condition, compared with the results obtained from undrained isotropic compression tests on unsaturated compacted soil.The comparisons indicate that the model can well simulate the hydraulic and mechanical behaviour of unsaturated soils under undrained condition.

机译：最近，有人提出了几种非饱和土的耦合弹塑性模型。这些模型可以耦合非饱和土壤的水力和力学行为。除了吸力对两者的影响外，模型还考虑了饱和度对应力-应变行为的影响以及空隙率对保水行为的影响。但是，到目前为止，在不排水条件下，应力应变和保水响应还没有模型预测。与不饱和密实土的不排水等向压缩试验结果相比，本文给出了不排水条件下非饱和土行为的模型预测，比较结果表明该模型可以很好地模拟不排水条件下非饱和土的水力和力学行为。

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来源
《Sino-Japan Geotechnical Symposium November; 20071104-07; Chongqing(CN)》|2007年|P.550-558|共9页
会议地点 Chongqing(CN)
作者
DEAN SUN; LI XIANG;
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作者单位

Department of Civil Engineering,Shanghai University,149 Yanchang Road,Shanghai,200072,China;

Department of Civil Engineering,Shanghai University,149 Yanchang Road,Shanghai,200072,China;

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原文格式 PDF
正文语种 eng
中图分类土力学、地基基础工程;
关键词
Unsaturated Soil; Undrained Behaviour; Elastoplastic Model; Water Retention Behaviour;

机译：不饱和土壤；不排水特性；弹塑性模型；保水性能;

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2. Effect of degree of saturation on mechanical behaviour of unsaturated soils and its elastoplastic simulation [J] . Dean Sun, Wenjing Sun, Li Xiang Computers and Geotechnics . 2010,第5期

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5. Time domain simulation of soil-retaining wall interaction in elastic and elastoplastic soils. [D] . Prassa, Charikleia. 2011

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7. Elastoplastic model for hydro-mechanical behavior of unsaturated soils [O] . Ghasemzadeh, H., Sojoudi, M.H., Ghoreishian Amiri, Seyed Ali, 2017

机译：非饱和土水力学特性的弹塑性模型

ELASTOPLASTIC SIMULATION OF UNDRAIN BEHOVIOUR OF UNSATURATED SOILS

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