2012•Safety in Coal MinesRequires access

Numerical Simulation of Ground Strata behavior Laws of Overlying Strata Movement at Stope

Xiang Cheng

Abstract

Based on actual geological and mining conditions in the study area,by means of FLAC3Dnumerical simulation software,this paper establishes the three dimensional numerical model of stress field and overlying strata movement laws during coal seam mining,so that it can simulate the strata behavior laws on mining 1242(3) working face under the mining influence of 1232(3) and 1242(1) working face,which provides a theoretical basis for safety production at 1242(3) working face.

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Key concepts: Coal mining, Mining engineering, Face (sociological concept), Computer simulation, Geology, Geotechnical engineering, Law, Movement (music)