2010•Mining & Processing EquipmentRequires access

Discussion to techniques of controlling coal and gas outburst in short-range coal seams group with severe outburst risk

Shuai Ma

Abstract

According to the distribution characteristics of the short-range coal seams group with severe risk of gas outburst,the occurrence rules of coal and gas outburst is analysed.With the analysis and discussion of the factors affect coal and gas outburst,the paper puts forward some measures of controlling outburst and practical improvement suggestion according to the special distribution characteristics.

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Key concepts: Coal, Coal mining, Mining engineering, Range (aeronautics), Petroleum engineering, Engineering, Geology, Waste management