PREDICTION OF ROCK BURSTS DURING EXCAVATION OF LIABLE TO GAS-DYNAMIC PHENOMENA COAL SEAMS
A method for predicting the likelihood of gas-dynamic phenomena on the results of cognitive modeling of processes of formation of hazardous production situations to the combined influence of the following factors and parameters: cavability of the roof rocks, the ratio of the intensity of the destruction of the coal, the ratio of the maximum stress to the ultimate strength of coal under compression, the geotectonic disturbed rock-mass, the level of seismicity of the area of coal mining, coal pillar parameters, areas of high rock pressure, development system. Identified individual and integrated effect of each factor on the probability of occurrence of rock burst. At maximum negative manifestation of all factors of the probability of rock burst increases in 37.5 times, and after taking all the preventive measures, regulated by existing regulatory documents, reduced to 17.7.
Keywords
Gas-dynamic events, coal mining, mining impact, modeling, forecasting technique.
Issue number: 3
Year: 2017
ISBN:
UDK: 622.83: 622.016.62
DOI:
Authors: V.Yu. Kulak, A.A. Cherepov, S.N. Shiryaev
About authors: Kulak V.Yu., General Director, ZAO «Promugleproekt»,
654007, Novokuznetsk, Russia, e-mail: Vitaly.Kulak@evraz.com,
Cherepov A.A., Technical Director, JSC «Raspadskaya Coal Company»,
654007, Novokuznetsk, Russia, e-mail: Andrey.Cherepov@evraz.com,
Shiryaev S.N., Deputy Technical Director, JSC «Raspadskaya Coal Company»,
654007, Novokuznetsk, Russia, e-mail: Sergey.Shiryaev@evraz.com.
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