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首页> 美国卫生研究院文献>International Journal of Environmental Research and Public Health >Factors Affecting Material-Cart Handling in the Roofing Industry: Evidence for Administrative Controls
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Factors Affecting Material-Cart Handling in the Roofing Industry: Evidence for Administrative Controls

机译：影响屋面行业材料购物车的因素：行政控制的证据

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Material-cart handling can be strenuous and lead to overexertion injuries. The aim of this study is to produce a thorough understanding of how the cart condition, tire type, physical environment-related factors, and load interact to influence the ergonomics and productivity of cart handling. Eighteen roofing carts with different conditions, tires, and loads were tested by one subject on three laboratory tracks: one L-shaped, one with ramps within constrained spaces, and one with obstacles within constrained spaces. A multiple linear regression analysis was performed to quantify the main and interaction effects of the factors of interest on the cart operations. The research findings confirm that using aged carts increases the injury risk by as much as 30.5% and decreases productivity by 35.4%. Our study also highlights the necessity of keeping an open space for cart operation; the travel distance from a cart to a ramp/obstacle should be greater than 61 cm. Finally, the results suggest the at-risk thresholds for different ramp slopes and obstacle heights, and the safe load capacities for the various working circumstances that are common on construction sites. The evidence created in this study can be translated into administrative controls for cart handling to reduce overexertion injuries and enhance performance.
机译：材料购物车处理可以是剧烈并导致过度损伤。本研究的目的是对推车条件，轮胎类型，物理环境相关因素和负荷互动以影响人体工程学和生产力的人工动士处理的互相思考。在三个实验室轨道上的一个主题测试了具有不同条件，轮胎和载荷的十八辆屋顶推车：一个L形，一个带有限制空间内的斜坡，并且在约束空间内具有障碍物。进行了多元线性回归分析，以量化了推车运营感兴趣因素的主要和交互效应。研究结果证实，使用年迈的推车将伤害风险增加到30.5％，并降低生产率35.4％。我们的研究还突出了保持开放空间的推车运行的必要性;距推车到斜坡/障碍物的行程距离应大于61厘米。最后，结果表明了不同斜坡斜坡和障碍物高度的风险阈值，以及用于施工地点的各种工作情况的安全负载能力。本研究中创建的证据可以转化为行政控制，以便搬运以减少过度损伤，提高性能。

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