北洺河铁矿井下控制网的建立

Establishment of Underground Control Net Work at Beiminghe Iron Mine

井下控制网是井下矿山开拓系统建立的基础 ,是矿山生产建设的一项基础技术工作。从实际工作出发 ,阐述了北氵名河铁矿从地表控制到井下控制网建立的全过程与实测方法 ,包括近井点的选择。

Underground control net work is a basis for establishing an underground development system and basic technical work of mine construction and production Starting from the real work,the whole process from the surface control to the underground control network establishment and the practical measuring method are described,including the selection and connected measurement of near shaft points and the underground control measurement.