Impact of confining pressure and orientation of discontinuities on the behaviour of jointed rock mass

Mining of Sustainable Development

生态环境科学

Jarczyk, P.^1

Silesian University of Technology, Faculty of Mining and Geology, 2 Akademicka Street, Gliwice

44-100, Poland^1

关键词: Confining pressures;    Discontinuous rocks;    External loads;    Jointed rock mass;    Rock mass;    Rock sample;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/261/1/012014/pdf
DOI  :  10.1088/1755-1315/261/1/012014

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

The article deals with issues of rock and rock mass mechanics. The subject of the publication is the behaviour of rock samples with singular discontinuities under three-axial compression conditions, with pressures up to 30 MPa. The effect of confining pressure and orientation of discontinuities in the directions of external loads (30°, 45° and 60°) on the behaviour of discontinuous rock was investigated. It was shown that with the increase of confining pressure, the strength of the samples increases linearly, and higher angles at which the discontinuity is oriented correspond to higher durability.