Attenuation law of concentrated stress under coal pillar of close coal seams and its application

HIGHLIGHTS

• who: Qingtao Kang from the SchoolChina University have published the research: Attenuation law of concentrated stress under coal pillar of close coal seams and its application, in the Journal: Scientific Reports Scientific Reports
• what: Based on the numerical simulation results, the influence of the concentrated stress caused by the coal pillar was gradually weakened, and the stress gradually was transferred to both sides of the coal pillar.
• future: In the width direction of the coal pillar the vertical stress change rate gradually changes from the larger one in the shallow part to larger . . .
  

   

  

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