Abstract:Aiming at the shortcomings and limitations of existing prediction methods and time function models in predicting the surface subsidence caused by coal mining in deep loose and thin bedrock strata, the deformation and mechanics characteristics of mining rock are analyzed comprehensively, and a near rectangular deflection function is established based on determining the spatial position of the primary key layer. Combining with the principle of probability integral method of discontinuous random medium, a spatiot… Show more
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