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Numerical Simulation Studies on Effects of Explosion Impact Load on Underground Mine Seal

  • Xixi Zhang
  • Jianwei ChengEmail author
  • Congling ShiEmail author
  • Xuan Xu
  • Marek Borowski
  • Yue Wang
Article
  • 3 Downloads

Abstract

As the first barrier to prevent accidents caused by explosions in underground coal mines, the integrity and stability of mine seals have great effects on mine workers’ lives and underground production safety. In this paper, the mechanical responding performance of typical mine seals under the impact load are studied by using numerical simulation method. By such simulation studies, the safety of different seals subjected to the explosion load is evaluated. Seals’ stability are also investigated under effects caused by various influence factors including thickness of mine seal, cutting depth into surrounding rocks, rock type, and the roof-to-floor convergence under given the explosion load. The research results can provide theoretical basis and reasonable improvements for mine seal’s construction practices for improving its anti-explosion performance.

Keywords

Mine seal Impact load Damage evaluation 

Notes

Funding Information

This work is financially supported by grants from Independent Research Projects of State Key Laboratory of Coal Resources and Safe Mining, CUMT (Grant No.SKLCRSM18X002), NaturalScience Foundation of Jiangsu Province of China (GrantNo.BK20181355), Fundamental Research Funds for the Central Universities (Grant No. 2018GF10) and Priority Academic Program Development of Jiangsu Higher Education Institutions.

Compliance with Ethical Standards

Conflict of Interest

The authors declare that there is no conflict of interest.

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Copyright information

© Society for Mining, Metallurgy & Exploration Inc. 2019

Authors and Affiliations

  1. 1.State Key Laboratory of Coal Resources and Safe MiningChina University of Mining and TechnologyXuzhouChina
  2. 2.Beijing Key Laboratory of Metro Fire and Passenger Transportation SafetyChina Academy of Safety Science and TechnologyBeijingChina
  3. 3.Department of Mining Engineering and Metallurgical Engineering, Western Australian School of MinesCurtin UniversityKalgoorlieAustralia
  4. 4.AGH University of Science and TechnologyKrakówPoland
  5. 5.College of Safety Science and EngineeringXinjiang Institute of EngineeringXinjiangChina

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