臺灣營造業職業災害目前居於所有行業之首，營造業災害千人率更是比平均值高3.6倍，隨著全球氣候變遷，天氣暖化現象越來越嚴重，氣溫逐年持續上升，對於長期需要待在戶外工作的營造業從事人員來說長時間暴露在高溫環境下，發生熱疾病、熱傷害的機率大幅提升，甚至於需要面對熱壓力和健康風險。本研究聚焦於綜合溫度熱指數對施工作業的影響，旨在提升營造業工作環境的安全水準。
為了更全面評估工作環境的安全性，本研究將樓層高度、風力、綜合溫度熱指數等語意變數進行考慮，利用問卷方式採納各領域專家之建議，得出if-then法則針對危害頻率、危害風險以及安全等級之關係，評估出綜合溫度熱指數對於營造作業的安全等級所產生的影響。同時，根據綜合溫度熱指數與安全等級關係對於出工可能性的if-then法則，本研究也有能力推估出工可能性的大小，為改善工作環境提供充分的參考依據，降低職業災害的發生風險。

The construction industry in Taiwan currently ranks highest in occupational accidents among all industries, with a per thousand workers accident rate 3.6 times higher than the average. With the escalating phenomenon of global climate change and warming weather conditions, the annual temperature continues to rise, posing significant risks to construction workers who are required to work outdoors for extended periods. The prolonged exposure to high temperatures increases the probability of heat-related illnesses and injuries, leading to heat stress and health risks. This study focuses on the impact of Wet-Bulb Globe Temperature (WBGT) on construction operations, aiming to enhance the safety standards of the construction industry's work environment.
To comprehensively assess the safety of the work environment, this study considers semantic variables such as floor height, wind speed, and WBGT. Through questionnaire surveys incorporating suggestions from various domain experts, if-then rules are derived to analyze the relationships between hazard frequency, hazard risk, and safety levels. The study evaluates the influence of WBGT on the safety levels of construction operations. Furthermore, based on the relationship between WBGT and safety levels, if-then rules are applied to estimate the likelihood of workability, providing sufficient reference for improving the work environment and reducing the risk of occupational accidents.

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