Numerical simulation and analysis of underground pressure in the 101 fully-mechanized top coal caving face of the Tingnan Coalmine

被引：0
|
作者：
LI Shu-gang~1
2.Department ofMining Mechanical and Electronic
3.Tingnan CoalIndustry Limited Liability Company of Shannxi Changwu
机构：
来源：
International Journal of Coal Science & Technology | 2009年 / 01期
基金：
中国国家自然科学基金;
关键词：
Tingnan Coalmine; underground pressure; numerical simulation;
D O I：
暂无
中图分类号：
TD322 [巷道压力];
学科分类号：
0819 ;
摘要：
The forms of roof break,roof fall,and effects of the region scope in a fully mechanizedtop-coal caving (FMTC) face of the 101 fully-mechanized top coal caving face ofthe Tingnan Coalmine were analyzed by UDEC and FLACsoftware.The analysis resultconfirms the phenomenon of roof falling,roof-off-strata,roof breaking,first weighting,periodicweighting and stress concentration,redistributions of surrounding rock and so on.Itprovides the gist to analyze the law of roof movement,characteristic of confining pressure,and to determine the formative structure forms of the immediate roof and main roof duringthe caving process.These results and the underground pressure observation results are inagreement.
引用
收藏
页码：28 / 32
页数：5
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