Identifying the basic properties of mining fissure elliptic paraboloid zone and gas delivery law governing goaf represents an effective measure to control gas.
研究采动裂隙椭抛带的基本性质及其采空区瓦斯运移的规律，可以采取有效措施进行瓦斯治理。
This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.
综合分析了开采深度、煤层倾角、煤层开采厚度、工作面斜长等地质采矿条件对底板采动导水破坏带深度的影响。
This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.
综合分析了开采深度、煤层倾角、煤层开采厚度、工作面斜长等地质采矿条件对底板采动导水破坏带深度的影响。
应用推荐