METHOD OF FORECASTING COAL SEAM OUTBURSTS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to mining industry and can be used for the design and reconstruction of mines and the development of u0432u044bu0431u0440u043eu0441u043eu043eu043fu0430u0441u043du044bu0445 coal seams.the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - increased reliability prediction u0432u044bu0431u0440u043eu0441u043eu043eu043fu0430u0441u043du043eu0441u0442u0438 method includes drilling, the selection of coal samples, the determination of the volatile matter, ga u0437u043eu043du043eu0441u043du043eu0441u0442u0438, depth u0437u0430u043bu0435u0433u0430u043du0438u00a0, capacity of coal-bed and of individual packets, the number u0440u0430u0437u0440u0443u0448u0430u0435u043cu043eu0435u2122 and initial speed of u0433u0430u0437u043eu043eu0442u0434u0430u0447u0438 r,the definition of an integrated u043fu043eu043au0430u0437u0430u0442u0435u043bu00a0 in u0432u044bu0431u0440u043eu0441u043eu043eu043fu0430u0441u043du043eu0441u0442u0438 and compare it with the critical value, the critical initial speed u0433u0430u0437u043eu043eu0442u0434u0430u0447u0438 and eif as functions of the volatile substances in the formula and the eif 18.6 - 6.6 x 101 Vdaf + 8 - 6x10 3 (Vdaf) 2. where v and - weight out of volatile substances,%. the value obtained is compared with the initial rate of u0433u0430u0437u043eu043eu0442u0434u0430u0447u0438 dyts and r.then u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 assessment u0432u044bu0431u0440u043eu0441u043eu043eu043fu0430u0441u043du043eu0441u0442u0438: if 15 and e and eif, plast u043eu0442u043du043eu0441u00a0u0442 to you - u0431u0440u043eu0441u043eu043eu043fu0430u0441u043du043eu043cu0443 if 15u0438u0430u0440 u0430u0440u043au0440 or 15 and e u0430u0440u043au0440, plast u043eu0442u043du043eu0441u00a0u0442 to u0443u0433u0440u043eu0436u0430u0435u043cu043eu043cu0443, if 15 and e u0430u0440u043au0440, plast u043eu0442u043du043eu0441u00a0u0442 to u043du0435u0432u044bu0431u0440u043eu0441u043eu043eu043fu0430u0441u043du043eu043cu0443. table 1 (l c