Analysis of Key Risk Factors and Coupling Effects of Construction Safety ofHigh-rise Buildings

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Analysis of Key Risk Factors and Coupling Effects of Construction Safety ofHigh-rise Buildings

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[1]CHENG Lianhua,YANG Yaoyan,LI Shugang,et al.Analysis of Key Risk Factors and Coupling Effects of Construction Safety ofHigh-rise Buildings[J].Journal of Zhengzhou University (Engineering Science),2024,45(06):92-99.[doi:10.13705/j.issn.1671-6833.2024.06.006]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 45 Number of periods: 2024 06 Page number: 92-99 Column: Public date: 2024-09-25

Title:: Analysis of Key Risk Factors and Coupling Effects of Construction Safety ofHigh-rise Buildings

Author(s):: CHENG Lianhua; YANG Yaoyan; LI Shugang; WEI Kai; CAO Dongqiang; College of Safety Science and Engineering, Xi’ an University of Science and Technology, Xi’ an 710054, China

Keywords:: complex network; high-rise buildings; coupling relationship; N-K model; risk factors

CLC:: X913. 4TU714

DOI:: 10.13705/j.issn.1671-6833.2024.06.006

Abstract:: In order to explore the key risk factors of high-rise building construction safety and the coupling effects ofrisk elements, the complex network model and the N-K model were combined, 158 high-rise building constructionaccident cases from 2015 to 2022 were selected according to the completeness of the accident case investigation report, and the causes of 84 of them were coded according to the grounded theory, and 5 risk elements including human, machine, material, pipe and environment and 23 risk factors were identified through statistical analysis. Thecoupling risk values of various coupling forms of risk elements were calculated according to the N-K model, and thedegree value distribution of each risk factor in the complex network model was obtained by using Ucinet software.The risk coupling network model of high-rise building construction was drawn by Netdraw, and the potential riskchain of nodes of 23 risk factors was analyzed, and the coupling form of potential risk chain and the coupling degreevalue of N-K model were combined to modify the standardized output. The remaining 74 accident cases were used toverify the results, and the verification results were roughly consistent with the previous 84 accident cases. The results showed that the greater the number of risk elements involved in coupling, the greater the risk coupling value,and the coupling form involving equipment elements had the largest coupling value. The lack of site management,the lack of safety education and training, the incompleteness of safety management system, inporper wearing of protective equipment, and the lack of investigation and management of hidden danger were the key risk factors thatneed to be focused on prevention and control.

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Last Update: 2024-09-29