摘要
以潞安集团屯留矿S2202工作面地质条件为背景,通过数值模拟对工作面采高与矿压显现的相互影响关系进行分析研究,同时分析了采高对3#煤层的适应性。结果表明:随着采高的增加,煤壁破坏不断加重,煤壁易失稳的范围也不断增大。对于屯留矿而言,开采3#煤层,采高不应该超过4.0m,考虑一定的安全系数,屯留矿采高取3.5 m为宜。此结论为类似条件下工作面开采过程中矿压研究提供了技术及理论参考。
Takes the geological conditions of S2202 working background, analyzes and studies the affecting relations between numerical simulation, at the same time analyzes show that the damage degree and instability scope the adaptation of of coal wall are enlarging Lu＇an group Tunliu coal mine as the height and strata behaviors through height to No.3 coal seam. The results with the increase of mining height. For Tunliu coal mine, the mining height of No.3 coal seam can＇t exceed 4.0 m, and consider a certain safety coefficient,the mining height is 3.5 m. The conclusion can provide technical and theoretical reference for mine pressure study in the process of working face mining on similar conditions.
出处
《山西焦煤科技》
2014年第11期44-46,共3页
Shanxi Coking Coal Science & Technology
关键词
综放工作面
数值模拟
采高
矿压显现
Fully mechanized caving face
Numerical Simulation
Mining height
Strata behaviors
