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A Hybrid Fuzzy Risk Assessment Framework for Determining Building Demolition Safety Index

  • Construction Management
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Abstract

Risk assessment is one of the most effective actions in the safety management of demolition projects. This paper provides a framework to determine building demolition safety index (BDSI), which shows the safety level of a building being demolished. Two phases are involved in this study. In the first phase, 11 potential risks in building demolition and their influencing factors were identified, evaluated, and classified using a hybrid approach consisting of the Delphi method, Fine-Kinney method, fuzzy fault tree analysis (FTA), fuzzy technique for order preference by similarity to ideal solution (TOPSIS), and fuzzy inference system (FIS). In the second phase, a checklist of the most important safety factors and sub-factors in the demolition operation was provided, and the equations needed to calculate BDSI were presented. The first phase of the study was validated by comparing the study’s results with available demographic data from Tehran Construction Engineering Organization, Iran. The second phase was validated by calculating the BDSI for two buildings and evaluating the relationship between BDSI and safety level. BDSI is useful for building demolition projects because it allows project managers to have a more realistic view of the risk level of the project and accordingly take the necessary measures to prevent accidents.

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Correspondence to Mehdi Ravanshadnia.

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Alipour-Bashary, M., Ravanshadnia, M., Abbasianjahromi, H. et al. A Hybrid Fuzzy Risk Assessment Framework for Determining Building Demolition Safety Index. KSCE J Civ Eng 25, 1144–1162 (2021). https://doi.org/10.1007/s12205-021-0812-4

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  • DOI: https://doi.org/10.1007/s12205-021-0812-4

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