SOROKOPUD M. The basing parameters of scheme of the save working out of explosive steep layers.

Contains the analytical and experimental researches, which let to prove for the first time that the process of removing an explosive situation in the working off of protective layers is temporary. The complex criterion of the removal speed of an explosive situation is suggested and approved. It is defined as a relation ship of the time et the maximum speed of gazisolation, and it contains the necessity of conduction. The decision is approved by the Central Committee of Minugleprom (Mincoalindustry) of Ukraine dealin with gaz-dynamical phenomena. Coal fallings in two drifts of protected layer "Kutsyi" 975m horizon of Gayevoi mine accompanied by lethal injuries have obviously proved scientific of complex criterion, temporary gas excretion dynamics from the protected explosive layer, described by statistic dependant and containing in the prior "Forcing determination method of protected layer