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MODELING OF TOOL ROCK SHEAR INTERFACES USING GRADIENT-DEPENDENT FLOW THEORY OF PLASTICITY

被引：34
作者：
VARDOULAKIS, I
SHAH, KR
PAPANASTASIOU, P
机构：
[1] SCHLUMBERGER CAMBRIDGE RES LTD,CAMBRIDGE CB3 0HG,ENGLAND
[2] UNIV MINNESOTA,DEPT CIVIL & MINERAL ENGN,MINNEAPOLIS,MN 55455
来源：
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES & GEOMECHANICS ABSTRACTS | 1992年 / 29卷 / 06期
关键词：
D O I：
10.1016/0148-9062(92)91615-C
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
In this paper the mechanics of drilling tool-rock interfaces under shear are studied by means of consistent second-grade generalization of the flow theory of plasticity for frictional, cohesion-softening material. Boundary conditions are formulated on the basis of the second-order virtual work equation. Numerical results based on a finite element analysis of an example are presented and are critically discussed.
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页码：573 / 582
页数：10
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