BIFURCATION-ANALYSIS OF THE TRIAXIAL TEST ON ROCK SPECIMENS - A THEORETICAL-MODEL FOR SHAPE AND SIZE EFFECT

被引：26
|
作者：
SULEM, J [1 ]
VARDOULAKIS, I [1 ]
机构：
[1] UNIV MINNESOTA, DEPT CIVIL & MINERAL ENGN, MINNEAPOLIS, MN 55455 USA
来源：
ACTA MECHANICA | 1990年 / 83卷 / 3-4期
关键词：
D O I：
10.1007/BF01172981
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this paper a bifurcation analysis of the triaxial compression test on rock specimens is presented. Rock behavior is modelled by a deformation theory of elasto-plasticity for a pressure sensitive, cohesive-frictional, dilatant material with microstructure. In particular a Cosserat continuum model for a granular rock is developed. Shape and size effects are discussed on the basis of an analysis of diffuse bifurcation of triaxial tests on a particular sandstone [25]. © 1990 Springer-Verlag.
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页码：195 / 212
页数：18
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