2005•Coal science and technologyRequires access
Analysis on factors of coal and gas outbursts in new coal mine
Zhang Gan-ping
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Abstract
There is an unbalance in space distribution for coal and gas outbursts in anew constructed mine.The dangerous degree of the gas outburst unbalanced distributed in space is controlled by the seam gas geological conditions.Therefore,according to the variation of the seam gas geological conditions,the zone of the gas outburst dangerous degree can be classified.Then the results of the gas outburst danger of each gas geological element in a new mine to be built can be predicted.The results can well guide the prevention and control of coal and gas outburst in the mine.The paper provided the analysis method to control the coal and gas outburst with classified zone in the mine under the similar mine conditions.