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《Coal Science and Technology》 2014-01
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New Progress on Floor Grouting Reinforcement Technology of Water Control in Coal Mining Face

XU Yan-chun;YANG Yang;School of Resources and Safety Engineering,China University of Mining and Technology( Beijing);  
Based on the importance of the floor grouting reinforcement techniques in the prevention of floor pressurized water inrush accidentsin China's water hazard mine area,the paper summarized the developmentin theoretical methods and engineering practice,including the floor grouting techniques of the calculation method for the failure depth of coal seam floor in deep mine,the structural mechanics model ‘porous and fractured lift type'of water inrush in coal faces,the simulating test for grouting reinforcement,the DC detecting method for the failure depth of coal seam floor and the reinforcement parameters in Zhaogu No. 2 Mine. In the end,the outlook of water- inrush mechanism,grouting materials research,development of detection and water control methods progress were proposed.
【Fund】: 国家重点基础研究发展计划(973计划)资助项目(2013CB227903)
【CateGory Index】: TD745.21
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