最终，结合具体工程勘查实践，证明了在煤层采空区勘查中采用综合地球物理勘查技术的有效性。
At last, the effectiveness of using integrated geophysical methods to the coal mine gob area survey with specific engineering exploration is proved.
根据外因条件不同将乌达矿区16个火区划分出大矿采空区起火、小煤窑起火和煤层露头起火3种类型；
According to different external conditions, 16 fire blocks are divided into 3 types: mine vacant space fire, small coal-pit fire and seam outcrop fire.
隧道穿越不良地质有：高压力水、煤层、采空区、瓦斯、岩溶、断层等。
The poor geological conditions that the tunnel confronts include high-pressure water, coal seam, goaf, gas, Karst and fault.
利用随机介质理论，建立了不同倾角煤层的采空区所对应的地表空间变形规律。
Using the theory of stochastic dielectric, the laws of deformation in space of different Angle in coal layers have been deduced.
结合某矿采煤工作面实际情况，阐述了大倾角薄煤层工作面的关键技术处理措施，保证了煤下滑不窜入采空区。
Combining with the actual situation in coal face, expound the key technology for large inclined Angle thin seam face so as to assure that slided coal can't come in goaf.
我国许多煤矿的煤层同时具有高瓦斯和严重自燃倾向，在抽放瓦斯的同时，容易造成采空区遗煤自燃。
There exist high gas and serious spontaneous combustion tendency at the same time in many coal mines in china. When the gas is pumped, it is easy to cause the spontaneous combustion of residual coal.
确定采空区上覆岩层破坏高度，对“三下”煤层安全、高效开采具有重要意义。
The determination of damage height of superincumbent stratum of goaf has immense meaning for safety and reasonable exploitation of coal seam under water body, building and railway.
煤层采空后留下的采空区，空间巨大，空隙、裂隙极为发育，为地下水的运移、储存提供了良好的场所，成为地下水富集区。
In the old coal mine, there are many cavities fractures, and it's large space, favourable to movement and preservation of underground water, so that become water-rich area.
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。
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。
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.
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