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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:

24卷

期数:

2007年02期

页码:

1-5

栏目:

出版日期:

2007-06-20

文章信息/Info

Title:

Basic Mechanics Characteristics and Yield Criterion System of Geomaterials

作者:

郑颖人¹,高红²

1. 中国人民解放军后勤工程学院 土木工程系,重庆 400041; 2. 中国科学院岩土力学研究所 岩土力学重点实验室,湖北 武汉 430071

Author(s):

ZHENG Ying-ren¹, GAO Hong²

1. Department of Civil Engineering, Logistical Engineering University of PLA, Chongqing 400041, China; 2. Key Laboratory of Rock and Soil Mechanics, Institute of Rock and Soil Mechanics, CAS, Wuhan 430071, Hubei, China

关键词:

摩擦特性;  三剪;  能量;  屈服准则;  岩土材料

Keywords:

frictional characteristic;  triple shear;  energy;  yield criterion;  geomaterial

分类号:

TU411.7

DOI:

-

文献标志码:

A

摘要:

比较了岩土材料与金属材料特性及其力学性质差异,认为岩土材料属于多相体的摩擦型材料,存在内摩擦性质,并对岩土材料在弹性状态及极限状态下的摩擦特性进行了分析。详细介绍了高红-郑颖人岩土材料三剪能量屈服准则,给出了其在各种特殊情况下的具体形式,并与Mohr-Coulomb准则进行了比较,提出了三剪能量与三剪应力状态下的Drucker-Prager准则。最后总结了各国常用的应力与应变屈服准则及能量屈服准则,并对其进行了分析比较。

Abstract:

After comparing the difference of material properties and the induced difference of mechanics characteristics between metals and geomaterials, it was concluded that geomaterials were frictional materials with multiphase and had frictional properties. The frictional characteristics of geomaterials in elastic state and limit state were analyzed respectively. The triple shear energy yield criterions of geomaterials of Gao Hong and Zheng Ying-ren were introduced in detail, and the formulations in some special conditions were presented and compared with the Mohr-Coulomb criterion, then the triple shear energy and the triple shear Drucker-Prager criterion were put forward. At last, the commonly used stress and strain yield criterions as well as energy yield criterion were summarized and compared in every country.

参考文献/References:

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相似文献/References:

备注/Memo

备注/Memo:

收稿日期:2007-05-08
作者简介:郑颖人(1933-),男,浙江镇海人,教授,博士生导师,中国工程院院士,E-mail:gaohong1979@126.com。

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更新日期/Last Update: 2007-06-20