Method of increase in bearing strength of rock mass around a mine working

被引：4

作者：

Lavrikov, SV ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Min, Siberian Branch, Novosibirsk, Russia

来源：

JOURNAL OF MINING SCIENCE | 2003年 / 39卷 / 05期

关键词：

mine working; rock; slip trajectory; inhomogeneity; block structure; friction; cohesion; hearing strength; pressure; slippage;

D O I：

10.1023/B:JOMI.0000029307.56392.55

中图分类号：

TD [矿业工程];

学科分类号：

0819 ;

摘要：

A problem is solved for the stress-strain state around a mine working located in rock mass with spiral surfaces of weakening. The ideal plasticity and the Coulomb friction conditions are assigned on the contacts.

引用

页码：444 / 452

页数：9

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