Using the Thermal Work Limit as an Environmental Determinant of Heat Stress for Construction Workers
Using the Thermal Work Limit as an Environmental Determinant of Heat Stress for Construction Workers
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DOI：
10.1061/(asce)me.1943-5479.0000162
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发表时间：
2013-10-01
影响因子：
7.4
通讯作者：
Wong, Del P.
中科院分区：
文献类型：
--
作者：
Chan, Albert P. C.;Yi, Wen;Wong, Del P.
建筑工人在夏季容易受到热压力的影响，中暑造成的死亡和受伤就是明证。在过去的几个世纪里，已经开发了许多热应激指数来帮助管理这些问题。为了解决这一迫切需要的行业，增强模型的基础上的多维环境指标，热功极限（TWL）指数，开发。于2010年7月至9月期间在香港对10名表面健康且经验丰富的建筑钢筋工人进行了实地研究。基于281套同步的气象和生理数据收集从四个不同的建筑工地，生理，工作相关的，环境和个人参数进行了测量，以构建热应激模型。多元线性回归分析表明，共有10个决定性因素能够预测工人的主观疲劳感（RPE）（校正R2= 0.79，p
Construction workers are vulnerable to heat stress in summer as evidenced by deaths and injuries caused by heat stroke. Over the past centuries, many heat-stress indices have been developed to assist with the management of these problems. To address this pressing need of the industry, an enhanced model based on a multi-dimensional environmental indicator, the thermal work limit (TWL) index, is developed. Field studies were conducted between July and September 2010 in Hong Kong on ten apparently healthy and experienced construction rebar workers. Based upon 281 sets of synchronized meteorological and physiological data collected from four different construction sites, physiological, work-related, environmental, and personal parameters were measured to construct the heat-stress model. Multiple linear regression showed that a total of ten determining factors are able to predict the workers' subjective rating of perceived exertion (RPE) (adjusted R2=0.79, p