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Coal permeability model on the effect of gas extraction within effective influence zone
In situ gas extraction is the main measure adopted by mines to achieve mining safety standards. Coal permeability is significantly …
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Elliptical fracture network modeling with validation in Datong Mine, China
Roof-coal recovery rate and the performance of gas extraction are essentially controlled by the fractures within coal-rock mass. Thus, …
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Analytical expressions for the size distribution function of elliptical joints
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Relevance between abutment pressure and fractal dimension of crack network induced by mining
Based on the geological conditions of coal mining face No. 15-14120 at No. 8 mine of Pingdingshan coal mining group, the real-time …
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A general method to determine the stress intensity factor of multiple collinear cracks
In this study, the issue of multiple collinear cracks in a finite plate is studied, and the overall stress field as well as stress …
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