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首页> 外文期刊>Journal of Construction Engineering and Management >Effect of Safety and Environmental Variables on Task Durations in Steel Erection
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Effect of Safety and Environmental Variables on Task Durations in Steel Erection

机译：安全和环境变量对钢安装任务持续时间的影响

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摘要

In spite of the efforts by government agencies, labor organizations, and researchers in the field of health and safety, injuries and fatalities continue to affect the construction industry. In 2002 the construction industry had the undesirable distinction of having two of the most dangerous occupations in the United States, with fatalities among structural steel workers at 58.2 per 100,000 workers (fourth highest rate) and among construction laborers at 27.7 per 100,000 workers (ninth highest rate). Costs associated with construction accidents, such as increased insurance premiums and medical expenses, and loss of productivity are also concerns in the industry. It has not been demonstrated how unsafe working conditions affect worker performance, and the impact of unsafe work practices on worker performance has not been quantified. This paper describes a methodology that included direct observation of steel erection activities and statistical analysis of task duration data. The data collected at steel erection sites included safety conditions such as the use of personal protective equipment (PPE), elevation of the work area, environmental conditions such as temperature and humidity, and worker performance in the form of task durations. Analysis of variance (ANOVA) analysis of 186 of steel erection task durations collected over a six-month period showed that the use of personal protective equipment (PPE), the time of day during which the operation was being performed, the elevation at which the work was being performed, and the presence of decking below the work area had statistically significant effects on the durations of steel erection tasks.
机译：尽管政府机构，劳工组织和研究人员在健康和安全领域做出了努力，受伤和死亡仍然继续影响建筑业。 2002年，建筑业的不良表现是在美国从事了两个最危险的职业，其中结构钢工人的死亡率为100,000人中的58.2人（第四高），建筑工人的死亡率为100,000人中的27.7人（第九高）。率）。与建筑事故相关的成本，例如增加的保险费和医疗费用，以及生产率的下降也是业界关注的问题。尚未证明不安全的工作条件如何影响工人的绩效，不安全的工作习惯对工人绩效的影响尚未量化。本文介绍了一种方法，其中包括直接观察钢架活动和对任务持续时间数据进行统计分析。在钢架安装现场收集的数据包括安全条件，例如使用个人防护设备（PPE），工作区域的升高，环境条件（例如温度和湿度）以及工作时间形式的工人绩效。方差分析（ANOVA）分析了六个月期间收集的186个钢安装任务工期，表明使用个人防护设备（PPE），一天中的手术时间，工作正在进行中，工作区域下方的甲板对钢架安装任务的持续时间具有统计学上的显着影响。

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