The use of stress strength relationships in the assessment of tunnel stability

被引：93
|
作者：
Bhasin, R
Grimstad, E
机构：
[1] Norwegian Geotechnical Institute, Ullevaal Hageby, N-0806 Oslo
来源：
TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY | 1996年 / 11卷 / 01期
关键词：
D O I：
10.1016/0886-7798(95)00047-X
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A method of predicting probable ground behaviour considering stress-strength relationships is presented. The influence of overburden pressure and rock mass strength which are implicitly used in calculating the Q value (Q-system of Barton et al. 1974) are explicitly considered in forecasting stability problems in tunnels. In particular, squeezing, spalling and loosening of the rock mass in tunnels constructed through the complex geological set-up of the Himalayas have been analysed. A new Q-system correlation which takes into account the dimension of an opening is suggested for evaluating support pressures in squeezing ground.
引用
收藏
页码：93 / 98
页数：6
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