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Investigations Into The Identification And Control Of Outburst In Australian Underground Coal Mines, Dennis J. Black
Investigations Into The Identification And Control Of Outburst In Australian Underground Coal Mines, Dennis J. Black
Faculty of Engineering and Information Sciences - Papers: Part B
Australian coal mines currently use gas content to assess outburst risk. The gas content threshold values for each mine are indirectly determined from measurement of gas volume liberated from 150 g coal samples during Q3 residual gas content testing. It has been more than twenty (20) years since this method, known as DRI900, was presented to the Australian coal industry, and in that time there have been significant changes in mining conditions and the outburst threshold limits used at the benchmark Bulli seam mines.Current coal mining legislation in both Queensland [7] and New South Wales [6] provide little guidance in …