Deng Yuehua, Wang Shouquan, Fan Yingchong, Chen Xiankun
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The Numerical Simulation and Analysis of Working Face Ground Pressure in Gently Inclined Thin Coal Seam
Numerical simulation, combined with field observation, has proved effective on measuring the main roof weighting step, while theoretical calculation and empirical formula are found to be inadequate for the working face. Considering the mining situation in Xiaohezui Mine, discrete element method is adopted to numerically simulate the working face mining pressure, and according to it, field observation on the pressure is taken, which guarantee safe production on a theory basis.
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