非饱和土的非线性固结模型和弹塑性固结模型及其应用

陈正汉; 黄海; 卢再华

非饱和土的非线性固结模型和弹塑性固结模型及其应用

1.
解放军后勤工程学院土木系, 重庆400041;
2.
中国科学院寒区旱区环境与工程研究所冻土工程国家重点试验室, 兰州730000

详细信息

作者简介:
陈正汉(1947- ),男,陕西南郑县人,博士,教授,博导,全国优秀教师、总后科技金星,第九届全国人大代表.

中图分类号: TU43;O347.7
计量
- 文章访问数: 2822
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- 被引次数: 0
出版历程
- 收稿日期: 2000-04-18
- 修回日期: 2000-10-10
- 刊出日期: 2001-01-15

Non-Linear and Elasto-Plasticity Consolidation Models of Unsaturated Soil and Applications

1.
Logistical Engineering University, Chongqing 400041, P R China;
2.
State Key Laboratory of Frozen Soil Engineering, CAREERI, CAS, Lanzhou 730000, P R China

摘要

摘要: 把作者最近提出的非饱和土的增量非线性本构模型及由作者改进的Alonso等人提出的非饱和土弹塑性模型引入陈正汉建立的非饱和土的固结理论,得到非饱和土的非线性固结模型和弹塑性固结模型,设计了有关程序,求解了地基在分级加载条件下的固结过程和塑性区的动态扩展,从而把非饱和土固结问题的研究推到了一个新水平。
- 非饱和土 /
- 非线性 /
- 弹塑性 /
- 固结 /
- 有限元
Abstract: The non-linear constitutive model suggested by the authors and the Alonso.s elasto-plasticity model of unsaturated soil modified by the authors are introduced into the consolidation theory of unsaturated soil proposed by CHEN Zheng-han,and the non-linear and the elasto-plasticity consolidation models of unsaturated soil are obtained.Programs related to the two consolidation models are designed,and a 2-D consolidation problem of unsaturated soil is solved using the programs,the consolidation process and the development of plastic zone under multi-grade load are studied.The above research develops the consolidation theory of unsaturated soil to a new level.
- unsaturated soil /
- non-linear /
- elasto-plasticity /
- consolidation /
- finite element method

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参考文献(15)

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[2]	CHEN Zheng-han, XIE Ding-yi, LIU Zu-dian. The consolidation of unsaturated soil [A]. In:G Beer, J R Booker, J P Carter Eds.Proc 7th Int Conf on Computer Methods and Advances in Geomechanics[C]. A A Balkema, Rotterdam, Brookfield: International Association for Computer Methods and Advances in Ceomechanics. 1991,1617-1621.
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