In-situ stress determination by stress perturbation

被引：0
|
作者：
Wang, KJ [1 ]
Lee, CF [1 ]
机构：
[1] Chinese Acad Sci, Inst Rock & Soil Mech, Beijing 100864, Peoples R China
来源：
COMPUTER METHODS AND ADVANCES IN GEOMECHANICS, VOL 2 | 1997年
关键词：
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The normal borehole deformation meter is used to measure the radial deformations of borehole induced by stress perturbation, as which is taken here the normal stress-relief overcoring technique. For the cases with and without knowledge of material parameters, the induced deformations of borehole are computed with different methods and compared with measured ones. In this way, the three dimensional in-situ stresses can be determined uniquely for actual complicated geological conditions and only one borehole is needed.
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页码：1433 / 1438
页数：6
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