Numerical Simulation of Underground Pressure in Mining Large-Inclined Coal-seamChinese Full Text
GUO Jing-zhong,MENG Xiang-rui,GAO Zhao-ning(Energy ＆ Safety School,Anhui University of Science ＆ Technology,Huainan 232001,China)
Abstract: Based on research fruit and engineering practice of mining large inclined angle coal-seam,this paper simulated characteristic of roof caving and stress distribution of surrounding rock in coal mining by FLAC3D.Stress distribution rule and deformation characteristic of upper and lower face-end,mining influence range were mainly analyzed from tendency and strike direction.Mechanical characteristic of mining coal-seam with large inclined angle was obtained.
Keywords：
coal seam with large inclined angle; numerical simulation; stress of surrounding rock; underground pressure rule;
- DOI：
10.13532/j.cnki.cn11-3677/td.2011.04.037
- Series：
- Subject：
- Classification Code：
TD323
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