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Floor-to-ceiling vertical safety nets

机译：落地垂直安全网

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摘要

Of all the accidents caused as a result of human activity, free fall in building construction is the one that attracts most social interest, not only because of the economic cost, but also because of the high cost in human lives, as can be seen from the statistics. Historically, European governments have made important efforts to regulate the characteristics and use of safety devices, mainly by passing laws and regulations. One of those regulations is currently being developed by AENOR's Spanish Working Group AEN/CTN81/SC2/GT7. At the time of writing, it is still only a draft document. Numerical tests were performed during the present work using ANSYS finite element software, on different variations (square or diamond geometrical shapes, elasticity, eccentric impact, the material used for the perimeter cables, initial prestressing) of a safety net hit by a 100 kg ballast with a velocity of almost 6 m/s. The results are compared to those obtained in previous work for other types of nets, as well as obtaining stress results on the ballast, the net and the anchorages, maximum net deflection, and its consequences on the victim's safety. By these means, we are trying to advance our understanding of such nets, making it possible to answer questions that have arisen when drafting the new regulation, as described in detail in the paper.
机译：从人类活动造成的所有事故中，房屋建筑的自由落体是最引起社会关注的一种，不仅因为经济成本，还因为人类生命的高昂成本，从中可以看出。统计数据。从历史上看，欧洲各国政府主要通过法律法规，为规范安全设备的特性和使用做出了重要努力。 AENOR西班牙工作组AEN / CTN81 / SC2 / GT7目前正在制定其中一项法规。在撰写本文时，它仍然只是文档草案。在当前工作中，使用ANSYS有限元软件对受100千克压载物撞击的安全网的不同变化（方形或菱形几何形状，弹性，偏心冲击，周边电缆所用的材料，初始预应力）进行了数值测试。速度接近6 m / s。将结果与先前工作中使用的其他类型蚊帐的结果进行比较，并获得压载物，蚊帐和锚固物的应力结果，最大蚊帐挠度及其对受害者安全的影响。通过这些手段，我们正在努力加深对此类网络的理解，从而有可能回答起草新法规时出现的问题，如本文中详细描述的那样。

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