1) coal and gas outburst / Oblique underhand mining
煤与瓦斯突出/俯伪斜采煤法
2) pitching oblique mining(POM)
俯伪斜采煤法
3) coal and gas outburst
煤与瓦斯突出
1.
Mechanism and region prediction of coal and gas outburst;
煤与瓦斯突出机理及其区域预测技术对比
2.
Geological factors analysis and prevention of coal and gas outburst in Huaibei Coal Field;
淮北煤田煤与瓦斯突出地质因素分析与防治
3.
Micro seismic monitoring and measuring technology for pumping presuure,coal and gas outburst and water inrush;
冲击地压及煤与瓦斯突出和透水的微震监测技术
4) coal and gas outbursts
煤与瓦斯突出
1.
The study of coal and gas outbursts prediction system based on GIS;
基于GIS的煤与瓦斯突出预测系统研究
2.
Themodynamic process analysis of coal and gas outbursts;
煤与瓦斯突出的热动力过程分析
3.
The geologic factors of coal and gas outbursts in Maans han Coal Mine;
马鞍山煤矿煤与瓦斯突出的地质因素
5) coal-gas outburst
煤与瓦斯突出
1.
Investigation into coal-gas outburst occurred in Daping Coalmine, by using theories of gas-geology;
大平煤矿特大型煤与瓦斯突出瓦斯地质分析
2.
Mechanism of controlling coal-gas outburst and its practice;
防治煤与瓦斯突出原理及应用
3.
Catastrophe theoretical analysis of disintegrated outburst of a single coal shell in coal-gas outburst
煤与瓦斯突出中单个煤壳解体突出的突变理论分析
6) outburst of coal and gas
煤与瓦斯突出
1.
12 coal seams with outburst of coal and gas through mining No.
以红菱煤矿保护层开采为工程实例,通过开采11#煤层,对存在煤与瓦斯突出的7#煤层和12#煤层进行卸压,利用FLAC3D数值模拟中小同步开挖的渗透率变化情况,对保护层开采过程中煤岩体的渗透性进行了分析,得出了煤岩体透气性变化规律。
2.
In the paper,taking Hong Ling coal mine in Shen Yang forexample,during mining 11~# coal seam,7~# and 12~# coal seam withoutburst of coal and gas were depressurized, author studieddistributing law of mining—induced fractures and mutative law ofpermeability of coal and rock.
本文以沈煤集团红菱煤矿保护层开采为工程实例,通过开采11~#煤层,对存在煤与瓦斯突出的7~#煤层和12~#煤层进行卸压,研究保护层开采后采动裂隙分布规律及煤岩体透气性变化规律。
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