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| STUDY ON DYNAMIC NUMERICAL SIMULATION OF MINING-INDUCED SUBSIDENCE |
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Abstract In this paper，a dynamic analysis model of mining-induced subsidence is established，based on the analysis on the laws of movement and deformation inside overburden rock mass. Rock mass movement is under control of four essential factors，that is，face movement，overburden structure evolution，rock mass creep and waster compacting. The special program is developed for FEM analysis of plane problem. The presented model is applicable to prediction of mining-induced subsidence，analysis of the movement state，and especially control of mining-induced subsidence.
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Received: 06 February 2002
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LI Botao1, 2, 3, TAN Yuxuan1, LIN Haifei4, 5*, WEI Jianping1, 2, 3, ZHANG Hongtu1, 2, 3, LI Shugang4, 5, WEI Zongyong4, 5, WANG Pei4, LUO Rongwei4, LIU Yanwei1, 2, 3. Mechanical properties and mesoscopic damage evolution of coal under liquid-nitrogen freezing at different initial temperatures[J]. , 2026, 45(6): 1757-1772. |
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