Measurement and the Distribution Law of In Situ Stresses at Deep Depth of Hongyang Coal Mine

Hong Man Xia; Jiong Wang; Yang Liu; Jie Wen Pang; Dong Qiao Liu; Xiao Long Ren

doi:10.4028/www.scientific.net/AMR.671-674.65

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 671-674Measurement and the Distribution Law of In Situ...

Measurement and the Distribution Law of In Situ Stresses at Deep Depth of Hongyang Coal Mine

Abstract:

There are many in situ stress measurement methods nowadays, the ISRM suggested two methods for in situ stresses measurement: overcoring methods and the hydraulic fracturing methods. In order to study the distribution law of in situ stress field in the deep position of Hongyang coal mine, 3 points of in situ stress measurement were carried out in underground roadways at the -870 m level adopting the overcoring method. The KX-81 type gauge was used to measure the 3 points of in-situ stress. According to the analysis and calculation of the measurement data, the result showed that the in situ stress field in Hongyang coal mine at the depth of -870m was dominated by horizontal tectonic stress.

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Periodical:

Advanced Materials Research (Volumes 671-674)

Pages:

65-68

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.671-674.65

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Online since:

March 2013

Authors:

Hong Man Xia, Jiong Wang, Yang Liu, Jie Wen Pang, Dong Qiao Liu, Xiao Long Ren

Keywords:

In Situ Stress Measurement, Overcoring Method, Stress Field Characteristic

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References

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