Research on DEMATEL-BN model of construction risk transmission for prefabricated building

doi:10.16265/j.cnki.issn1003-3033.2020.07.001

Abstract

Abstract: In order to effectively reduce construction accidents for prefabricated building, a safety concept model was established by using WSR (Wuli-Shili-Renli) approach, and prefabricated components were identified as a key carrier of construction risks. Then, based on their characteristics of risk transmission, interaction between component factors in different working areas were analyzed with DEMATEL method. Finally, DEMATEL-BN model of construction risk transmission was developed, and conduction paths of risk factors in different areas were calculated. The results show that accidents can be effectively prevented based on risk causal chain by increasing systematic management of multidimensional work spaces of prefabricated construction projects, and searching for key risk factors that affect construction safety according to risk transmission path.

Key words: prefabricated building, prefabricated component, risk conduction, multidimensional working area, Bayesian network(BN), decision making trial and evaluation laboratory(DEMATEL)

CLC Number:

X948

CHEN Wei, YANG Zhuzhang, XIONG Wei, XIONG Fugang, YANG Daohe, NIU Li. Research on DEMATEL-BN model of construction risk transmission for prefabricated building[J]. China Safety Science Journal, 2020, 30(7): 1-6.

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