Research of ground stress test of 5 plate area in Zhaozhuang Coal Mine

DOI

10.2991/ifeesm-15.2015.190How to use a DOI?

Keywords

Ground stress; deformation of surrounding rock; stress relieving method division; gravity stress field; tectonic stress field

Abstract

Ground stress is the most primary stress in earth's crust and not disturbed by engineering. In underground engineering, the fundamental cause of the deformation of surrounding rock is the influence of ground stress after the roadway excavation. Ground stress testing can provide basic design parameters for mining area. Using stress relief method to test ground stress in the 53101 roadway of 5 plate area in Zhaozhuang Coal Mine. Research results show that the maximum principal stress of the 5 plate area in Zhaozhuang Coal Mine is 13.41MPa, the dip angle is 5.76 degrees and the azimuth angle is N25 W, so Zhaozhuang Coal Mine belong to medium stress mining area. In order to reduce the influence of the stress on the stability of surrounding rock, the direction of the roadway is parallel to the maximum horizontal principal stress and the two gang was significantly affected by horizontal stress. In Zhaozhuang mine area, there exists the gravity stress field and the tectonic stress field, and the tectonic stress is dominant.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Maosheng Wang
AU  - Wen Xue
AU  - Ye Zhu
AU  - Jie Gao
AU  - Tongmao Yang
PY  - 2015/09
DA  - 2015/09
TI  - Research of ground stress test of 5 plate area in Zhaozhuang Coal Mine
BT  - Proceedings of the 2015 International Forum on Energy, Environment Science and Materials
PB  - Atlantis Press
SP  - 1029
EP  - 1032
SN  - 2352-5401
UR  - https://doi.org/10.2991/ifeesm-15.2015.190
DO  - 10.2991/ifeesm-15.2015.190
ID  - Wang2015/09
ER  -