METHOD OF DETERMINATION OF MODE OF GAS-DYNAMIC PHENOMENA ON STEEP SEAMS

摘要

the invention is u0434u043bu00a0 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 type u0433u0430u0437u043eu0434u0438u043du0430u043cu0438u0447u0435u0441u043au0438u0445 u00a0u0432u043bu0435u043du0438u0439 in the development of steep coal seams. to make sense of the seismic data includes registering acoustic u0441u043eu043fu0440u043eu0432u043eu0436u0434u0435u043du0438u00a0 u0440u0430u0437u0440u0443u0448u0435u043du0438u00a0 reservoir, measuring the length of the acoustic u0441u043eu043fu0440u043eu0432u043eu0436u0434u0435u043du0438u00a0. in u0430u043au0443u0441u0442u0438u0447u0435u0441u043au043eu043c accompanied by u0432u044bu0434u0435u043bu00a0u044eu0442 plots with continuous acoustic aircraft.the number of hits of u0432u044bu0447u0438u0441u043bu00a0u044eu0442 signal of continuous acoustic emission signal with fixed thresholds. establish the critical length of continuous acoustic emission, the length of the first section of the front u043du0430u0440u0430u0441u0442u0430u043du0438u00a0 continuous acoustic.emissions and the number of coincidences of continuous acoustic emission signal with fixed thresholds u0430u043cu043fu043bu0438u0442u0443u0434u043du044bu043cu0438 signal. on the u0437u043du0430u0447u0435u043du0438u00a0u043c u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 estimate for the computational formula.the estimated rate of less than 1 u0433u0430u0437u043eu0434u0438u043du0430u043cu0438u0447u0435u0441u043au043eu0435 u00a0u0432u043bu0435u043du0438u0435 u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 as collapse (u0432u044bu0441u044bu043fu0430u043du0438u0435) u0443u0433u043bu00a0 and indicator unit is greater than or equal u0433u0430u0437u043eu0434u0438u043du0430 u043cu0438u0447u0435u0441u043au043eu0435 u00a0u0432u043bu0435u043du0438u0435 u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 as a sudden release. 1 il. yu