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<p>Vibration induced by blasting operations in underground excavations causes irreparable damage. The damages occurred by this undesirable phenomenon can stop the project for a long time and impose many costs on the project. Thus, identifying the existing risks and determining the factors affecting them will help to improve and advance operations. This paper presents a method using a multi-goal fuzzy cognitive map (FCM) and the reliabilities of the Z-number concept to improve failure mode and effects analysis (FMEA) and risk assessment of underground failures affected by blast vibration. Reducing the number of events (G1), reducing injuries caused by events (G2), and reducing project stoppages (G3) are identified as critical sub-goals during FCM processes designed with a considerable affirmation on safety. The FMEA technique evaluate the riskiest failures. The causes-and-effects of risks are analyzed using Z-number-based FCM based on three sub-goals and the effects of risk factors. Z-number reliability levels and cause-weighted topology organize FMEA. Based on the results obtained, the “north slope,” “side stope,” and “south slope,” take the first three ranks. Deep cracks and sometimes destructions are abundant in the excavation case of this study. An expert team confirmed these results.</p>

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Risk Assessment of Vibration due to Blasting on Mine Infrastructures: Extending Z-Number Concept and Causality-Weighted Fuzzy Failure Effect Analysis

  • 期刊论文

  • 发表日期：

    2025年2月24日

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  • Shahab Hosseini,
  • Mohsen Hajihassani,
  • Hyeon-Jong Hwang,
  • Seyed Jamal Aldin Hosseini,
  • Richard William McIntosh,
  • Gao Ma,
  • Jong-Min Lee

摘要

Vibration induced by blasting operations in underground excavations causes irreparable damage. The damages occurred by this undesirable phenomenon can stop the project for a long time and impose many costs on the project. Thus, identifying the existing risks and determining the factors affecting them will help to improve and advance operations. This paper presents a method using a multi-goal fuzzy cognitive map (FCM) and the reliabilities of the Z-number concept to improve failure mode and effects analysis (FMEA) and risk assessment of underground failures affected by blast vibration. Reducing the number of events (G1), reducing injuries caused by events (G2), and reducing project stoppages (G3) are identified as critical sub-goals during FCM processes designed with a considerable affirmation on safety. The FMEA technique evaluate the riskiest failures. The causes-and-effects of risks are analyzed using Z-number-based FCM based on three sub-goals and the effects of risk factors. Z-number reliability levels and cause-weighted topology organize FMEA. Based on the results obtained, the “north slope,” “side stope,” and “south slope,” take the first three ranks. Deep cracks and sometimes destructions are abundant in the excavation case of this study. An expert team confirmed these results.