A comprehensive framework for risk probability assessment of landfill fire incidents using fuzzy fault tree analysis

Masalegooyan, Zeinab, Piadeh, Farzad and Behzadian Moghadam, Kourosh ORCID: https://orcid.org/0000-0002-1459-8408 (2022) A comprehensive framework for risk probability assessment of landfill fire incidents using fuzzy fault tree analysis. Process Safety and Environmental Protection. ISSN 0957-5820

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Masalegooyan_Piadeh_and_Behzadian_Moghadam_2022_j.psep._A_comprehensive_framework_for_risk_probability_assessment_of_landfill_fire_incidents_using_fuzzy_fault_tree_analysis.pdf - Published Version
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Landfill fire is the most frequent type of incidents in the waste management complexes. This paper presents a new framework for risk probability evaluation of major fires in landfills using the fuzzy fault tree analysis. The framework starts with construction of the fault tree of landfill fire comprised of 38 basic and 22 intermediate events with the corresponding type of faults under managerial, executive, human, and environmental conditions. Fault tree quantitative analysis is carried out through a combination of fuzzy set theory and experts' judgements to overcome the lack of data limitation. Two new sensitivity analysis approaches are used to identify the critical fault type and critical paths in the fault tree. The proposed framework is demonstrated by its application to a real-world case of a landfill in Iran. The results show the probability of a major "fire incident" is 5.5% in which "fire occurrence" stands for 25% higher than "lack of preparation for controlling fire". In addition, "Waste’s uncontrolled dumping" is recognised as the highest critical event by 6% for probability failure and 24% for importance degree. "Executive fault" also found as the most fault’s critical type by frequency analysis of failure probability. The results also reveal the major impact of the experts’ weights, especially for events related to human or management faults. These results can give decision-makers a profound insight into providing effective intervention strategies for minimising the risk of major landfill fire incidents.

Item Type: Article
Additional Information: To cite: Masalegooyan, Z., Piadeh, F. and Behzadian, K. (2022) ‘A Comprehensive Framework for Risk Probability Assessment of Landfill Fire Incidents Using Fuzzy Fault Tree Analysis’, Process Safety and Environmental Protection [Preprint]. doi:10.1016/j.psep.2022.05.064.
Keywords: Comprehensive evaluation, Fuzzy fault tree analysis, Landfill fire incidents, Probability assessment, Sensitivity analysis
Subjects: Construction and engineering > Civil and environmental engineering
Related URLs:
Depositing User: Kourosh Behzadian Moghadam
Date Deposited: 26 May 2022 16:14
Last Modified: 01 Jun 2022 15:48
URI: http://repository.uwl.ac.uk/id/eprint/9112


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