THE EFFECT OF STRESS ON PERMEABILITY OE COAL AND POROUS ROCK AND FRACTURED ROCK
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Abstract:
In this paper, the permeability of coal, porous rock (sandstone), fractured rock(limestone) varifies with different confining pressure is discussed. Exponential functions between permeability and confining pressure are concluded. As a primary exploratiotion of permeability, it is significant to study coal and rock seepage characteristics and methane emission prediction. It is also useful in mine methane drainage system design.
