METHOD FOR UNATTENDED MINING OF THIN STEEP OUTBURST-PRONE AND RUNNING-OUT COAL SEAMS

摘要

use: u0433u043eu0440u043du0430u00a0 industry. the essence of the u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0: on the floor u043fu0440u043eu0432u043eu0434u00a0u0442 field transport u0448u0442u0440u0435u043a 1. u0431u0443u0440u00a0u0442 at layer 2 hole 3. in u0432u044bu0435u043cu043eu0447u043du044bu0445 columns 4 clean-up are remotely u0433u0438u0434u0440u043eu043cu043eu043du0438u0442u043eu0440u043du044bu043c unit 6. a home run coal from u0437u0430u0431u043eu00a0 u0433u0438u0434u0440u043eu0442u0440u0430u043du0441u043fu043eu0440u0442u043eu043c u0434u043eu0441u0442u0430u0432u043bu00a0u044eu0442 on transport u0448u0442u0440u0435u043a. u0437u0430u0445u043eu0434u043au0438 - u0432u0440u0443u0431u044b 5 form a depth equal to the width of u0432u044bu0435u043cu043eu0447u043du043eu0433u043e columns.then u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 collapse u043du0430u0432u0438u0441u0430u044eu0449u0435u0433u043e array. the size of u043eu0431u043du0430u0436u0435u043du0438u00a0 u043du0430u0432u0438u0441u0430u044eu0449u0435u0433u043e array within the u0432u044bu0435u043cu043eu0447u043du043eu0433u043e station u0443u043fu0440u0430u0432u043bu00a0u044eu0442, 2).