METHOD FOR PREVENTING SUDDEN COAL AND GAS AND COAL OUTBURSTS IN WORKING STEEP SEAMS BY SHIELD UNITS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to the case and, if used u0434u043bu00a0 u043fu0440u0435u0434u043eu0442u0432u0440u0430u0449u0435u043du0438u00a0 sudden release u0443u0433u043bu00a0 and ha (mainly in the development of u0449u0438u0442u043eu0432u044bu043c steep seams and aggregates.the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 -- improved security u0432u0435u0434u0435u043du0438u00a0 mining by u0443u0432u0435u043bu0438u0447u0435u043du0438u00a0 discharge zones u043fu0440u043eu0432u043eu0434u00a0u0442 field a reveal of u043fu0440u043eu043cu043au0432u0435u0440u0449u043bu0430u0433u0430u043cu0438 about u0432u043eu0434u00a0u0442 u0443u0433u043bu0435u0441u043fu0443u0441u043au043du044bu0435 develop and ute to the unloading slots (rp).u0434u043bu00a0 this set size u0440u0430u0437u0433u0440u0443u0436u0435u043du043du043eu0439 area (ra) of the upper part of the panel and on the border of ra with u043du0435u0440u0430u0437u0440u00a0u0436u0435u043du043du043eu0439 part of u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 least solid pack uhl u00a0 and form in this pack rp at the depth to be established depending on the minimum u0437u043du0430u0447u0435u043du0438u00a0 ra and the period of time from the excavation of the u0443u0433u043bu00a0 until no further u00a0 rp to u0432u044bu0435u043cu043eu0447u043du044bu043c u043du0438u043au043bu043eu043c.you have u0435u043cu043au0443; u043bu00a0 in lava u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 on u0440u0430u0441u0441u044eu00a0 of 01 u0443u0433u043bu0435u0441u043fu0443u0441u043au043du043eu0439 formulation, u043eu043fu0440u0435u0434u0435u043bu00a0u0435u043cu043eu043c depending on the number of oipanuiaii of panels. 1 il. (l.