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Real-Time Safety Risk Assessment Based on a Real-Time Location System for Hydropower Construction Sites

机译：基于实时定位系统的水电施工现场实时安全风险评估

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摘要

The concern for workers' safety in construction industry is reflected in many studies focusing on static safety risk identification and assessment. However, studies on real-time safety risk assessment aimed at reducing uncertainty and supporting quick response are rare. A method for real-time safety risk assessment (RTSRA) to implement a dynamic evaluation of worker safety states on construction site has been proposed in this paper. The method provides construction managers who are in charge of safety with more abundant information to reduce the uncertainty of the site. A quantitative calculation formula, integrating the influence of static and dynamic hazards and that of safety supervisors, is established to link the safety risk of workers with the locations of on-site assets. By employing the hidden Markov model (HMM), the RTSRA provides a mechanism for processing location data provided by the real-time location system (RTLS) and analyzing the probability distributions of different states in terms of false positives and negatives. Simulation analysis demonstrated the logic of the proposed method and how it works. Application case shows that the proposed RTSRA is both feasible and effective in managing construction project safety concerns.
机译：许多针对静态安全风险识别和评估的研究反映了对建筑行业工人安全的关注。然而，旨在减少不确定性和支持快速响应的实时安全风险评估研究很少。提出了一种实时安全风险评估（RTSRA）的方法，以对施工现场的工人安全状况进行动态评估。该方法为负责安全的施工经理提供了更丰富的信息，以减少工地的不确定性。建立了将静态和动态危害与安全主管的影响相结合的定量计算公式，以将工人的安全风险与现场资产的位置联系起来。通过使用隐马尔可夫模型（HMM），RTSRA提供了一种机制，用于处理由实时定位系统（RTLS）提供的位置数据，并根据误报和否定来分析不同状态的概率分布。仿真分析证明了该方法的逻辑及其工作原理。应用案例表明，所提出的RTSRA在管理建设项目安全问题方面既可行又有效。

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