Measurements of natural stresses in a Provence mine (Southern France)

被引：9

作者：

Gaviglio, P

Bigarre, P

Baroudi, H

Piguet, JP

Monteau, R

机构：

来源：

ENGINEERING GEOLOGY | 1996年 / 44卷 / 1-4期

关键词：

D O I：

10.1016/S0013-7952(96)00041-5

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Stress measurements were carried out in the Are syncline using drifts in a lignite mine. Eleven sites were investigated using the flat jack and hydraulic fracturing (or stimulating) methods. Two stress states were found to coexist, one isotropic, the other highly anisotropic. The orientations of the principal stresses are not homogeneous and an orientation ranging from E-W to NE-SW predominates locally. This does not accord with the regional stress field. The vertical stresses are systematically underestimated.

引用

页码：77 / 92

页数：16

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