煤矿矿井水害的防治-煤矿井筒地面预注浆工艺的研究

The Prevention of Coal Mine Water Disaster -The Study of Pit Shaft Ground Slurry Injection Technology

建井期间，地下水害是煤矿地质灾害的主要类型之一。注浆是一种重要的防治手段。本文介绍了粘土水泥中粘土的技术指标，并研究了井筒地面预注浆工艺中的关键技术，为国内煤矿水害的防治提供了经验。

Groundwater hazard is a main kind of geological hazard during the period of mine constructing.Slurry injection is a important way to prevent it.The paper presents the main technological parameters of clay cement slurry and studies the key technology of the ground mine slurry injection.It provides the experience of slurry injection to prevent the water disaster in domestic and overseas mines.