A comparative study on the performance of back analysis procedures for identification of nonlinear deformational behavior of a rock mass around a large underground powerhouse cavern

被引：0
|
作者：
Akutagawa, S [1 ]
Takeuchi, K [1 ]
Shimura, T [1 ]
Sakurai, S [1 ]
机构：
[1] Kobe Univ, Dept Civil & Architectural Engn, Kobe, Hyogo, Japan
来源：
PACIFIC ROCKS 2000: ROCK AROUND THE RIM | 2000年
关键词：
D O I：
暂无
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The two different back analysis procedures are presented and their performances compared. Both of these methods are designed to obtain stress, stain and displacement fields as accurately as possible with the presence of nonlinearity in deformational mechanism of a given geological medium. Some analyses of the results of applying these to an actual excavation problem show capability of these methods. Also recognized are theoretical limits in the precision of the proposed back analyses and a possible direction of further improvements.
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页码：1035 / 1041
页数：7
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