Based on the intrinsic relation between a number of outburst factors and outburst dangers, multi-factor pattern
recognition model has been established. Furthermore, the prediction rules of outburst probability of coal and gas have
been determined. By adopting multi-factor pattern recognition probabilistic prediction methods, the regional forecast of
dangerous areas of coal and gas has been finished; risky areas, threatening areas and areas without obvious dangers of
coal and gas inside the coal field has been divided; assessment has been made on the outburst danger of coal and gas; the
accuracy of gas disaster prediction has been improved. The establishment of a relatively scientific prediction method of
outburst areas of coal and gas would make it possible to enable coal mine safety workers to make accurate judgment and
prevent the outburst of coal and gas.
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