|Table of Contents|

Basic Mechanics Characteristics and Yield Criterion System of Geomaterials(PDF)

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

Issue:
2007年02期
Page:
1-5
Research Field:
Publishing date:
2007-06-20

Info

Title:
Basic Mechanics Characteristics and Yield Criterion System of Geomaterials
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
Keywords:
frictional characteristic;  triple shear;  energy;  yield criterion;  geomaterial
PACS:
TU411.7
DOI:
-
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.

References:

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Last Update: 2007-06-20