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GT-SEM-Based Safety Risk Mechanism of Prefabricated Construction

机译：基于GT-SEM的预制建筑安全风险机制

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摘要

To explore safety risk mechanism in prefabricated buildings (PB) construction and effectively prevent its risks, this paper studies the mechanism of safety risk in PB construction based on GT-SEM. First of all, take Grounded Theory (GT) to identify the risk factors of the construction safety of the PB, and establish a conceptual model of the risk factors; then, through the questionnaire survey combined with the factor analysis, collect data and filter the risk factors, and explore the correlation between the risk factors; finally, use Structural Equation Model (SEM) reveals the path of each risk factor to construction safety. The results show that the conceptual model of construction safety risk factors for PB includes five categories of risk factors: personnel, management, mechanical equipment and technology, materials, and environment, and 36 specific risk items; the relationship between the five categories of risk factors and their impact on construction safety. The effect coefficients of risk are all significant, and the path factor of management factors is the largest, and the correlation between personnel factors and management factors is the most significant.
机译：为了探索预制建筑施工中的安全风险机制，并有效地预防其风险，本文基于GT-SEM对PB施工中的安全风险机制进行了研究。首先，采用扎根理论（GT）来确定PB施工安全的风险因素，并建立风险因素的概念模型。然后，通过问卷调查与因子分析相结合，收集数据并过滤风险因子，探讨风险因子之间的相关性。最后，使用结构方程模型（SEM）揭示了每个风险因素对施工安全的影响。结果表明，PB施工安全风险因素的概念模型包括五类风险因素：人员，管理，机械设备和技术，材料和环境，以及36个具体风险项目。五类风险因素之间的关系及其对施工安全的影响。风险的影响系数均显着，管理因素的路径因素最大，人事因素与管理因素之间的相关性最大。

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