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- W2384503452 abstract "In order to discover the pressure features and law of the tectonic rock bumping in No.2502 mining block of Yanbei Mine,the paper had a statistics and analysis on 642 shocks occurred from the begging to the end of the No.250205A coal mining face operation.The paper had the relationships between the rock bumping and the seam depth,the transportation gateway to the synclinal axis distance and seismic occurred location,the mining actives,coal mining face advancing speed,coal mining face periodical pressurization and others.The paper preliminarily summarized the features of the tectonic rock bumping of the coal mining face.The rock bumping prediction and forecasting were conducted with the 8 indexes of the drilling cutting method,the electromagnetic radiation method,micro-seismic method and others.The paper prepared the scientific prediction and forecasting methods,including the above 8 items.Base on the circumstances,the deep borehole roof cutting,deep borehole pressure releasing,borehole water injection and other method were applied to control the rock bumping with good results.The rock bumping affected to the mine safety production was reduced over 95%." @default.
- W2384503452 created "2016-06-24" @default.
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- W2384503452 date "2009-01-01" @default.
- W2384503452 modified "2023-09-25" @default.
- W2384503452 title "Features and Control of Tectonic Rock Bumping in Yanbei Mine" @default.
- W2384503452 hasPublicationYear "2009" @default.
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