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XIAO Zhiguo, MENG Leiting. Numerical Analysis of Effect of Coal Seam Water Injection on Crack Propagation and Water Distribution[J]. Safety in Coal Mines, 2016, 47(1): 159-162,166.
Citation: XIAO Zhiguo, MENG Leiting. Numerical Analysis of Effect of Coal Seam Water Injection on Crack Propagation and Water Distribution[J]. Safety in Coal Mines, 2016, 47(1): 159-162,166.
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Numerical Analysis of Effect of Coal Seam Water Injection on Crack Propagation and Water Distribution

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  • Published Date: January 19, 2016
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  • Coal seam water injection is an important technology to prevent coal-gas outburst and rock burst at present, and fracture is one of the main influencing factors to water distribution in coal seam injection. In order to study the effect of fracture on the water distribution, seven different physical models, in accordance with the fractured relationship with the relative position of the injection hole, were established for numerical analysis based on RFPA2D numerical simulation software. By studying the maximum principal stress, the minimum principal stress, shear stress and pore-water pressure in coal seam injection and by analysis of fractured development, fracturing initiation pressure and time, the influence of fracture on the water distribution was obtained.
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    • References (13)
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