裂隙性黄土的双参数二元介质模型

卢全中; 彭建兵; 王水林; 周彬; 王媛

裂隙性黄土的双参数二元介质模型 English Version

卢全中^1,2,3,
彭建兵^1,2,
王水林³,
周彬^1,2,
王媛^1,2

1.长安大学西部矿产资源与地质工程教育部重点实验室，陕西西安 710054; 2. 长安大学国土资源部岩土工程开放研究实验室，陕西西安 710054; 3. 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，湖北武汉 430071

基金项目: 国家自然科学基金重点项目(41130753)；国土资源大调查项目(1212011120067)；中国博士后科学基金项目(20090451090)；中央高校基本科研业务费专项资金项目(CHD2011JC022)；长安大学基础研究支持计划专项基金项目

详细信息

作者简介:
卢全中 (1971 – ),男，湖北鄂州人，博士，副教授，主要从事地质工程与岩土工程方面的研究与教学工作。

中图分类号: TU443
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- 发布日期: 2012-05-19

Double-parameter binary-medium model for fissured loess

1. Key Laboratory of Western China’ s Mineral Resources and Geological Engineering, Ministry of Education, Chang’an University, Xi'an 710054, China; 2. Open Research Laboratory of Geotechnical Engineering ， Ministry of Land and Resources, Chang’an University, Xi'an 710054, China; 3. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China

摘要

摘要: 裂隙性黄土可以看成是由胶结块和软弱带组成的非均质土，其变形破坏过程是土中胶结块和软弱带的变形、破损和连通过程。基于岩土破损力学理论建立了裂隙性黄土的双参数二元介质模型，并用三轴剪切试验结果进行了对比，结果显示该模型能计算模拟裂隙性黄土的不同变形阶段，并能反映裂隙性黄土的脆性破损和应变软化现象，说明岩土破损力学理论对裂隙性黄土具有较好的适应性。
- 裂隙性黄土 /
- 双参数 /
- 二元介质模型 /
- 三轴试验
Abstract: Fissured loess is regarded as a heterogeneous soil consisting of bonded blocks and weakened bands. The process of deformation failure of the fissured loess is the deformation, breakage and connection of the bonded blocks and weakened bands in loess. A double-parameter binary-medium model for fissured loess is proposed based on the breakage mechanics and is used to predict the behaviors of the fissured loess in triaxial shear tests. The comparison between prediction and experimental data demonstrates that the proposed model can satisfactorily simulate different deformation phases and reflect the brittle breakage and strain softening of the fissured loess.
- fissured loess /
- double-parameter /
- binary-medium model /
- triaxial test

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参考文献(15)

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文章访问数: 987
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裂隙性黄土的双参数二元介质模型 English Version

作者简介: 卢全中 (1971 – ),男，湖北鄂州人，博士，副教授，主要从事地质工程与岩土工程方面的研究与教学工作。

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Double-parameter binary-medium model for fissured loess

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出版历程

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作者简介:
卢全中 (1971 – ),男，湖北鄂州人，博士，副教授，主要从事地质工程与岩土工程方面的研究与教学工作。