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Numerical study on 4-1 coal seam of Xiaoming mine in ascending mining
Tianwei Lan1, Hongwei Zhang2, Sheng Li2
1School of Mines, Liaoning Technical University, Fuxin 123000, China ; State Key Laboratory of Coal Resources and Mine Safety, China University of Mining and Technology, Xuzhou 211116, China ; Key Laboratory of Mine Thermo-Motive Disaster and Prevention, Ministry of Education of Liaoning Technical University, Fuxin 123000, China ; Center of Geodynamics of the Earth's Interior of Moscow State Mining University, Moscow 119991, Russia.
Abstract:
Coal seams ascending mining technology is very significant, since it influences the safety production and the liberation of dull coal, speeds up the construction of energy, improves the stability of stope, and reduces or avoids deep hard rock mining induced mine disaster. Combined with the Xiaoming ascending mining mine 4-1, by numerical calculation, the paper analyses ascending mining 4-1 factors, determines the feasibility of ascending mining 4-1 coalbed, and proposes roadway layout program about working face, which has broad economic and social benefits.
