Understanding the relationship between safety investment and safety performance of construction projects through agent-based modeling

Clara Cheung, Miaojia Lu, Shu-Chien Hsu, Heng Li

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The construction industry in Hong Kong increased its safety investment by 300% in the past two decades; however, its accident rate has plateaued to around 50% for one decade. Against this backdrop, researchers have found inconclusive results on the causal relationship between safety investment and safety performance. Using agent-based modeling, this study takes an unconventional bottom-up approach to study safety performance on a construction site as an outcome of a complex system defined by interactions among a worksite, individual construction workers, and different safety investments. Instead of focusing on finding the absolute relationship between safety investment and safety performance, this study contributes to providing a practical framework to investigate how different safety investments interacting with different parameters such as human and environmental factors could affect safety performance. As a result, we could identify cost-effective safety investments under different construction scenarios for delivering optimal safety performance.
    Original languageEnglish
    Pages (from-to)8-17
    Number of pages9
    JournalAccident Analysis & Prevention
    Volume94
    Early online date27 May 2016
    DOIs
    Publication statusPublished - Sep 2016

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