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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：为了探讨预制建筑物（PB）建设中的安全风险机制，有效地防止其风险，本文研究了基于GT-SEM的PB施工安全风险的机制。首先，采取基础理论（GT）来确定Pb施工安全的危险因素，并建立危险因素的概念模型;然后，通过调查问卷调查结合因子分析，收集数据和过滤风险因素，并探讨风险因素之间的相关性;最后，使用结构方程模型（SEM）揭示了每个风险因素的施工安全性的路径。结果表明，Pb施工安全危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个具体风险物品;五类风险因素与其对施工安全影响的关系。风险的效果系数都是显着的，管理因素的路径因素是最大的，人事因素与管理因素之间的相关性是最重要的。

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