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Gold Science and Technology >

2018 , Vol. 26 >Issue 6: 729 - 735

DOI: https://doi.org/10.11872/j.issn.1005-2518.2018.06.729

Reliability Evaluation of Pillars System Based on Domino Failure Effect

  • Zilong ZHOU ,
  • Yifan WANG , * ,
  • Changtao KE
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  • 1. School Resources and Safety Engineering，Central South University，Changsha 410083，Hunan，China

Received date: 2017-07-12

  Revised date: 2017-11-08

  Online published: 2019-01-24

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Highlights

The residual goafs after mining operations is a great threaten to underground work and surface building safe.Stability assessment on goafs system helps to guide normal production and prevent disasters.According to pillars’ domino effect，multiple pillars system was constructed，based on which plliars’ strength was calculated and the limitation state equation was proposed.The system’s stability under criteria with different safety factors was estimated by Monte-Carlo simulation method. In a chromite mine，failure probability of multiple pillars system was much higher than failure criteria，which corresponds to the realistic failure.The stability of pillars system was greatly influenced by both pillar bearing capacity and pillar number.

Cite this article

Zilong ZHOU , Yifan WANG , Changtao KE . Reliability Evaluation of Pillars System Based on Domino Failure Effect[J]. Gold Science and Technology, 2018 , 26(6) : 729 -735 . DOI: 10.11872/j.issn.1005-2518.2018.06.729

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