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标题:A numerical model for outburst including the effect of adsorbed gas on coal deformation and mechanical properties
时间:2020-05-23 21:41:04
DOI:10.1016/j.compgeo.2013.07.013
大小:2156 kb
页数:11 PAGES
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目录:
  • A numerical model for outburst including the effect of adsorbed gas on coal deformation and mechanical properties
    • 1 Introduction
    • 2 Governing equations
      • 2.1 Gas migration
      • 2.2 Mechanical process
      • 2.3 Porosity and permeability evolution during excavation
    • 3 Example and analysis
      • 3.1 Description of model parameters and conditions
      • 3.2 Permeability and gas pressure evolution during excavation
      • 3.3 Effect of adsorption/desorption-induced deformation
      • 3.4 Effect of strength enhancement
      • 3.5 Effect of depth, gas pressure and coal strength
    • 4 Conclusion
    • Acknowledgments
    • References

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