Study on mining-induced earthquakes and the disaster model of three coal mines in eastern Pingdingshan district

摘要

The cause of coal and gas dynamic disaster of three coal mines in easten Pingdingshan district was analyzed, and the types of disasters existed in deep mining were indicated which included coal and gas outburst, mining-induced earthquakes, rock burst and rock blasting. Moreover, the basic conditions and the patterns, based on which a single type of the coal and gas dynamic disaster evolved into the compound disasters in deep section of the ground, were discussed.