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Study of thin and thick coal seams in numerical simulation of subsidence

Author: LiuBingLei
Tutor: LiuZhanKui; ZhangFei
School: Inner Mongolia University of Science and Technology
Course: Mining engineering
Keywords:
CLC: TD325
Type: Master's thesis
Year: 2011
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Abstract


Linsheng mine in shenyang mining area is a typical one with declined thin and mid-thick seams in Liaoning province,which started producing coal in 1981 and was extracted for 30 years in sum from then on.The status of stress balance of the rock around mining area began to change after large quantities of coal in underground was extracted.Deformation ,movement and damage of the overburden of the extracted seams was caused from it inevitably and ground was affected finally ,subsidence or collapse took place on...

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CLC: > Industrial Technology > Mining Engineering > Mine the pressure and support > Rock pressure and rock movement > Rock movement
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