摘要
为有效提升建筑工人安全能力,减少建筑施工生产安全事故,基于信息认知理论构建建筑工人安全能力系统模型,并从安全文化、安全投入、安全约束等维度分析调控因子并提出安全能力提升策略,以量化形式动态分析提升策略对安全能力的效用。基于建筑工人安全能力的系统动力学模型,将安全投入策略作为单因子改变量,得到不同维度提升策略下各子系统核心变量作为时间函数的动态特征。结果表明:在整个仿真周期内,安全文化策略、安全投入策略和安全约束策略调控因子各增加20%,安全能力水平增幅分别为7.79%、9.46%与5.87%;发现投入与安全能力收益具有时滞效应和“规模报酬递减”特性;风险感知与决策能力的提升周期较长,且受安全文化策略的影响较大,而安全执行能力在仿真周期内波动性较大,且提升幅度主要受安全投入策略的影响。研究结果可进一步为提升策略优化和安全能力预测提供依据。
To effectively enhance the safety competencies of construction workers and reduce safety accidents in construction production,a construction worker safety competency system model was constructed based on information cognition theory.Regulatory factors were analyzed and safety competency improvement strategies were proposed from the dimensions of safety culture,safety investment,and safety constraints.The utility of the safety competency improvement strategies was dynamically analyzed in quantitative form.Based on the system dynamics model of construction workers’safety ability,using safety investment strategy as a single factor to analyze,the dynamic characteristics of the core variables of each subsystem as time functions under different dimension promotion strategies were obtained.The results show that throughout the entire simulation cycle,the regulatory factors of safety culture strategy,safety investment strategy,and safety constraint strategy increase by 20%respectively,and the level of safety capability increase by 7.79%,9.46%,and 5.87%,respectively.It is found that the investment and safety competency benefits have the characteristics of time lag effects and“diminishing returns to scale”.In addition,the improvement cycle for risk perception and decision-making competency is longer and is greatly affected by safety culture strategy,while safety execution competency fluctuates greatly within the simulation period and is mainly influenced by safety investment strategy.The research results can further provide a basis for optimizing improvement strategies and predicting safety competencies.
作者
魏涛
成连华
鲍枫
陶敬兵
赵旭东
白宝丁
WEI Tao;CHENG Lianhua;BAO Feng;TAO Jingbing;ZHAO Xudong;BAI Baoding(Huaxi Co.China Construction Industrial&Energy Engineering Group Co.,Ltd.,Xi’an 710065,China;College of Safety Science and Engineering,Xi’an University of Science and Technology,Xi’an 710054,China;China MCC20 Group Co.,Ltd.,Shanghai 201999,China)
出处
《西安科技大学学报》
CAS
北大核心
2023年第6期1054-1062,共9页
Journal of Xi’an University of Science and Technology
基金
陕西省教育厅重点项目(22JY042)。
关键词
安全能力
建筑工人
提升策略
系统动力学
仿真
safety competency
construction workers
improvement strategies
system dynamics
simulation
