Self-healing law of mining fractured rock mass in Shendong coalfield
The objective phenomenon of seepage reduction and self-healing is easy to occur in the mining fractured rock mass after long-term evolution process of coal seam after mining.In survey of this phenomenon, taking the No.12401 work face of Bulianta Coal Mine and the No.52306 work face of Daliuta Coal Mine in Shendong as typical test areas, the enginee