复杂条件下立井井筒工作面冲积层预注浆堵水技术

Water Blocking Technology by Grouting in Alluvial Layer Vertical Shaft Working Face Under Complex Geological Conditions

为实现矿井安全生产,针对永华嵩山煤矿冲积层地质条件复杂、含水层相互连通的情况,在其地质及水文地质资料基础上,分析浆液在冲积层的运动规律及作用方式。采取调整浆液性质和浓度、控制注浆压力、改变注浆方式等措施,取得了良好治水效果,丰富了立井井筒冲积层注浆堵水研究体系。

The geology condition of alluvial layer is complex in Yonghua Coal Mine, and the aquifers communicate with each other. In order to realize safe production of coal mine, aimming at these conditions, based on the data of geology and hydrology geology, motion regulation and function method Of slurry in alluvial layer was analyzed. By adopting these methods such as adjusting the property and density of slurry,controlling the pressure of slurry,changing the grouting method etc,good effects of water control have been obtained. All this enriched the research system of blocking water by grouting in alluvial layer.