METHOD FOR MINING STEEPLY INCLINED ORE VEINS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to underground development u043au0440u0443u0442u043eu043fu0430u0434u0430u044eu0449u0438u0445 lived partially deployed in u043fu0440u0438u043au043eu043du0442u0443u0440u043du043eu0439 zone underground natural cavity. the purpose of improving productivity and reducing the u0440u0430u0437u0443u0431u043eu0436u0438u0432u0430u043du0438u00a0 ore bypass valves in the development vein of valuable mineral, partially published in u043fu0440u0438u043au043eu043du0442u0443u0440u043du043eu0439 zone, changing the underground cavity. the development of u043au0440u0443u0442u043eu043fu0430u0434u0430u044eu0449u0438u0445 lived a valuable mineral u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 u043fu043eu0434u044du0442u0430u0436u0430u043cu0438.the sublevel shape in the zone of the natural cavity. between u043fu043eu0434u044du0442u0430u0436u0430u043cu0438 form rudny deflection. intermediate field a u043fu0440u043eu0445u043eu0434u00a0u0442 in u0432u0438u0441u00a0u0447u0435u043c side vein of natural complete.the u043cu0430u0433u0430u0437u0438u043du0438u0440u043eu0432u0430u043du043du0443u044e upper u043fu043eu0434u044du0442u0430u0436u0435 ore u043fu0435u0440u0435u043fu0443u0441u043au0430u044eu0442 in cavity of u043fu043eu0434u044du0442u0430u0436u0430 and u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 follow stocks lower u043fu043eu0434u044du0442u0430u0436u0430 in u043du0438u0441u0445u043eu0434u00a0u0449u0435u043c u043fu043eu0440u00a0u0434u043au0435 with sat u0435u043au0442u0438u0432u043du043eu0439 hollow point mineral and the subsequent u043cu0435u0445u0430u043du0438u0437u0438u0440u043eu0432u0430u043du043du044bu043c flush on the u043eu0442u043au0430u0442u043eu0447u043du043eu0439 horizon. the ore u0446u0435u043bu0438u043au0430 u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 after u043eu043au043eu043du0447u0430u043du0438u00a0 excavate valuable mineral. 1, z. s - lu, 3). eat with