多煤层开采防水煤柱高度的确定

Multiple Coal Seams Mining Waterproof Height Settlement

一马煤矿北翼充填采区防水煤柱是针对极富含水性的第四系含水层留设的,为了确定一马煤矿单煤层和多煤层开采复杂开采条件下的防水煤柱高度,首先计算似膏体充填的等效采高,然后依据《三下采煤规程》和《矿井水文地质规程》依次确定了单一煤层开采和多煤层开采的防水煤柱高度。

Yima Mine north wing filling mining waterproof coal pillar was set based on extremely water bearing the quaternary aquifer, in order to ensure waterproof coal pillar height under single coal seam and multiple coal seams complex mining condition of Yima Mine, the equivalent mining paste filling height was calculated, based on coal mining procedures under village, railway and water body and mine hydrogeological procedures, waterproof coal pillar height under Single coal seam and multiple coal seams was settled.