SEISMIC-ACOUSTIC METHOD FOR DETECTING CENTERS OF PROBABLE ORIGINATION OF DYNAMIC PHENOMENA IN COAL MINES Russian patent published in 1998 - IPC

Abstract RU 2107821 C1

FIELD: mining industry. SUBSTANCE: this can be applied in mines which are risky in gas fire and coal outbursts. According to method, for detecting centers of occurring dynamic phenomena, prior to recording rock cracking which is indicative of dynamic phenomena, determined is exponential dependence which combines wave front coming angle to line of locating sensors in rock mass and wave coming time over base between sensors. With respect to this dependence, determined is direction towards source of cracking by calculating time of signal coming from source of cracking. Then, referring to calculation formula, determined is distance to signal generation point. EFFECT: higher efficiency. 2 dwg

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RU 2 107 821 C1

Authors

Vatolin Evgenij Stepanovich

Dates

1998-03-27Published

1996-06-18Filed