梁家煤矿井筒掘进中地面预注浆技术分析

Analysis of the Pre-Grouting Technique for Shaft-Sinking in Liang Jia Colliery

文章介绍了龙口矿区梁家煤矿副井地面预注浆设计及施工，对其经验教训进行技术分析，以供同行参考。

This paper presents the disign and constraction of pre-grouting techniques conducted at the surface for shaft-sinking in Liang-Jia colliery of Long-Kou Mining Area,Sothat we can extract experiences and lessons from the project.It is for reference only.