Simulation study on influences of construction workers' bounded rational cognition on unsafe behaviors

doi:10.16265/j.cnki.issn1003-3033.2019.09.006

Abstract

Abstract: In order to analyze cognitive process of construction workers with bounded rationality, influences on their unsafe behaviors of three cognitive factors, namely risk perception experience, risk degree and action execution level of construction workers were explored in both situations of complete information and incomplete information. A four-stage cognitive model was constructed then and Matlab simulations were conducted with construction workers of an engineering project as empirical objects and initial parameters being set. The results show that construction worker's cognition is updated more frequently and and there is a smaller proportion of unsafe behaviors and hazardous events in case of complete information compared with that of incomplete information. Experience can help workers recognize risks to a certain extent, but excessive reliance on risk perception experience can lead to unsafe behaviors. The more rational workers are and they stronger executive power they have, the fewer unsafe behaviors there will be.

Key words: construction worker, unsafe behavior, cognition, bounded rationality, incomplete information

CLC Number:

X948

YE Gui, YUE Hongzhe, YANG Jingjing, FENG Xinyi, WANG Yuhe. Simulation study on influences of construction workers' bounded rational cognition on unsafe behaviors[J]. China Safety Science Journal, 2019, 29(9): 36-42.

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