EFFICIENCY OF RATIONAL COMBINED STEEL TRUSSES

Myron Ноhоl, Pavlo Dynka, Dmytro Sydorak, Marko Hohol
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Abstract

In this article, a comparative assessment of the technical and economic efficiency of rational combined steel trusses with typical trusses according to DSTU is considered. New rational constructive combined forms of covering systems (roof trusses) have been developed for spans of 18, 24 and 30 m, with less material consumption and labor intensity compared to existing analogues. It is shown that the mass of such rational combined steel trusses with a span of 18 m is less than a typical one by 13% to 16.5% depending on the value of load, for a combined truss with a span of 24 m the mass is less by 20.5% to 25%, and for a 30 m - from 12.5% to 17%. The results of the evaluation of the technical and economic efficiency are presented. The main criterion for the economic efficiency of constructions is general costs. A comparison of the technical and economic efficiency proves that our proposed option provides a significant saving of material and labor resources.Widespread implementation can provide a significant economic effect, which is important in the conditions of post-war reconstruction of Ukraine.
合理组合钢桁架的效率
本文根据 DSTU 标准,对合理组合钢桁架与典型桁架的技术和经济效益进行了比较评估。已开发出跨度为 18 米、24 米和 30 米的新型合理构造组合式覆盖系统(屋面桁架),与现有的类似结构相比,材料消耗和劳动强度更低。结果表明,这种合理的组合钢桁架跨度为 18 米,其质量比普通钢桁架少 13%至 16.5%,具体取决于荷载值;跨度为 24 米的组合桁架质量少 20.5%至 25%,跨度为 30 米的组合桁架质量少 12.5%至 17%。本文介绍了技术和经济效益的评估结果。建筑经济效益的主要标准是总成本。对技术和经济效益的比较证明,我们提出的方案大大节省了材料和劳动力资源,广泛实施可产生显著的经济效益,这在乌克兰战后重建的条件下非常重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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