Test results of surface gas extraction technology from boreholes in the goaf in Zhangbei Coal Mine, Huainan Mining Group are introduced in the paper.
本文介绍了淮南矿区张北矿地面钻孔抽采采空区瓦斯技术的试验成果。
In goaf the float coal spontaneous combustion disaster affects seriously the safe production of the coal mine.
采空区浮煤自燃灾害严重影响了煤矿的安全生产。
Except the higher content of the suspended substance in the goaf hydrops of coal mine, the other indexes of the goaf hydrops can satisfy both industrial and agricultural water consumption.
煤矿采空区积水除了悬浮物含量较高外，其他指标可以满足工农业用水。
Gas overflowed in wood road 413 of this mine is through the link - roadway caused by goaf gas discrarging.
该矿413机巷后路瓦斯超限是采空区瓦斯通过联络巷泄漏所致。
Basing on finite element method and visual display technology, this paper analyses the gas drainage problem of goaf in Dalong mine.
用有限元数值模拟方法，结合图形显示技术，对大隆煤矿综采工作面采空区瓦斯抽放问题进行了计算分析。
The result of this is referable to seismic safety in coal mine goaf.
该研究结果为煤田采空区的地震安全工作提供有益的参考。
The impact of coal mine goaf on seismic surface ground motion and its dynamic stress distribution around the tunnel was investigated.
研究了煤田采空区对地面地震动的影响以及采空巷道的动应力分布。
To enhance the efficiency of mine fire control, the technology of three-phase foam for preventing spontaneous combustion of coal in goaf was developed.
针对目前煤矿防灭火技术与材料存在的一些不足，研制了一种用于防治采空区煤炭自燃的三相泡沫材料。
The paper introduced the principle of the EH4 image system and features, also introduced the exploration cases and results in coal mine goaf, fault and bore holes.
本文介绍了EH4电导率成像系统的原理、特点和该系统初次在煤矿进行的采空区、断层和钻孔位置等物探实例及其效果。
The result shows that Luokexiu foam gains the better effects in the control of wind leakage in the goaf of Chengzhuang coal mine.
结果表明，罗克休泡沫在成庄矿采空区漏风治理中取得了较好效果。
Survey of goaf is a problem demanding prompt solution in the engineering building and production of coal mine.
采空区探测是工程建筑和煤矿生产中亟待解决的问题。
Deformation of ground surface above old mine goaf is a complex nonlinear process, which has complex, sudden, and long-term features.
老采空区上方地表变形是一个具有复杂性、突然性和长期性等显著特点的非线性过程。
Particularly some unknown around the state-owned mine goaf is one of the most important damage source to impact on the mine safety.
特别是一些国有矿山周边的不明采空区，是影响矿山安全生产最主要的危害源之一。
Surface borehole well is a simply and high performance method to drawing coal bed and goaf gas which controlling and making good use of the coal mine gas.
地面钻井抽采采动影响煤层及采空区瓦斯是进行煤矿瓦斯治理和抽采利用的有效方法。
Trough case study, detail signals of dynamic deformation of buildings above old mine goaf are obtained using multiscale empirical mode decomposition method.
通过实例研究，证实采用多尺度经验模态分解可获得老采空区上方地表建筑物的动态变形细部信号。
The paper introduces some utilizations of mine goaf, such as, water filling, waste filling, rubbish filling, etc., which are Helpful to mine goaf treatment.
介绍了采空场的若干应用，包括水充填、尾砂充填、垃圾充填，对空场处理有借鉴意义。
The underground mine goaf is not only a kind of hidden danger, But also a kind of resource.
地下采空场既是一种隐患，又是一种资源。
The underground mine goaf is not only a kind of hidden danger, But also a kind of resource.
地下采空场既是一种隐患，又是一种资源。
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