The stress state of geological structure and mining dynamic disaster in Fuxin basin

Further evidences show that most mining dynamic disasters are mainly occurred nearby NNE and near SN geological structures. In-situ stress measurement in Fuxin basin shows that the orientation of major compressed stress is near EW. At this stress field, geological structures with deferent strike hav...

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Bibliographic Details
Published inJournal of coal science & engineering, China Vol. 14; no. 4; pp. 621 - 624
Main Author 韩军 王海兵 朱光宗 刘廷波
Format Journal Article
LanguageEnglish
Published Heidelberg China Coal Society 01.12.2008
Subjects
Earth and Environmental Science
Earth Sciences
Geochemistry
Geology
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Mechanical Engineering
冲击地压
构造应力
突出机理
mining dynamic disaster
stress state
geological structure
Fuxin basin
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Summary:Further evidences show that most mining dynamic disasters are mainly occurred nearby NNE and near SN geological structures. In-situ stress measurement in Fuxin basin shows that the orientation of major compressed stress is near EW. At this stress field, geological structures with deferent strike have deferent stress state and displace mode. NNE and near SN geological structures are compressed to thrust and come into being high stress zone. NWW and NEE geological structures are tensile to separate and not prone to being low stress zone. NW structure is intervenient of them. So NEE and near SN structures are easy to occurre mining dynamic disasters and NWW and NEE structures is ＂safety＂ comparatively. The mining dynamic disaster is controlled by stress state of geologic structure, which is determined by its strike.
Bibliography:11-3747/TD
Fuxin basin, geological structure, mining dynamic disaster, stress state
TD712
ISSN:1006-9097
1866-6566
DOI:10.1007/s12404-008-0425-2