METHOD AT MINE WORKING THROUGH BURST-DANGEROUS SEAMS AND ROCKS

摘要

use: mining, the development of u0432u044bu0431u0440u043eu0441u043eu043eu043fu0430u0441u043du044bu0445 deposits underground in the mines on the u0432u044bu0431u0440u043eu0441u043eu043eu043fu0430u0441u043du044bu043c u043fu043bu0430u0441u0442u0430u043c and formations.the essence of the u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0: the mines with the help of u0431u0443u0440u043eu0432u0437u0440u044bu0432u043du044bu0445 works u0448u043fu0443u0440u043eu0432 u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 drilling to a depth of not less than half the size of a u0441u0435u0447u0435u043du0438u00a0 formulation and explodium u0437u0430u0440u00a0u0434u043eu0432 bb with u043au043eu0440u043eu0442u043au043eu0437u0430u043cu0435u0434u043bu0435u043du043du044bu043c an initiation, while the array is in a mode of u043fu0440u0435u0434u043au0430u043cu0443u0444u043bu0435 u0442u043du043eu0433u043e u0432u0437u0440u044bu0432u0430u043du0438u00a0 through rational choice of length, u0437u0430u0431u043eu0439u043au0438 and u0437u0430u0440u00a0u0434u0430 bb.u0434u043bu00a0 u043fu0440u0435u0434u043eu0442u0432u0440u0430u0449u0435u043du0438u00a0 u0440u0430u0437u0432u00a0u0437u044bu0432u0430u043du0438u00a0 and u0440u0430u0437u0432u0438u0442u0438u00a0 release in the process of production blasting to form a barrier of u043eu0442u0431u0438u0442u043eu0439 breed by u0432u0437u0440u044bu0432u0430u043du0438u00a0 u0437u0430u0440u00a0u0434u043eu0432 bb in oda u0435u0434u0435u043bu0435u043du043du043eu0439 consistency and with width from its upper part, the size of a u0441u0435u0447u0435u043du0438u00a0 develop. u0434u043bu00a0 u043fu043eu0432u044bu0448u0435u043du0438u00a0 effect u043fu0440u0438u043cu0435u043du00a0u044eu0442 area u0434u0432u0443u0445u044au00a0u0440u0443u0441u043du044bu0435 u0437u0430u0440u00a0u0434u044b bb. 1, z. s - lu, 6).