Abstract
The paper aims at quantifying the human errors in the construction work and analysing their potential impact on the construction accident. It proposes to analysis the risks in the construction safety with the human reliability analysis (HRA) method. The paper adopted a fuzzy Bayesian network (BNN) approach to incorporate the cognitive reliability and error analysis method (CREAM), which is one of the representative HRA method, into the construction safety analysis. This fuzzy BNN was developed into a human-centered risk model. The model used the intuitionistic fuzzy sets (IFS) to represent the expert's judgment and generated the probability distribution by the mass assignment theory. A case study on the fire accident in the construction of Xiamen Metro Line 2 in China was provided. The model has proved to be able to analysis the construction accident from the human factor perspective and elicit meaningful quantification results.
Highlights
The construction industry is considered as one of the most significant contributors to the Gross Domestic Product (GDP) for most industrialized and developing countries [1]
Nine performance shaping factors (PSFs) have to be evaluated (it has to be noted that the cognitive reliability and error analysis method (CREAM) uses common performance conditions (CPCs) as the name for PSFs, as there is no significant difference between the meaning of these two names, the PSFs would be used when referring to the CPCs in this study)
PRACTICAL IMPLICATION This study has demonstrated the applicability of the human reliability analysis (HRA) in the risk analysis of construction safety
Summary
The construction industry is considered as one of the most significant contributors to the Gross Domestic Product (GDP) for most industrialized and developing countries [1]. The cognitive reliability and error analysis method (CREAM) [16], which is one of the representative second-generation HRA method, has been modified to analyse the human performance in the construction work. To apply the HRA in construction safety analysis, we have designed a fuzzy BBN model based on the analytical structure in the CREAM method.
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