New Energy Principles of Structures Rationalization

Shmukler, Valery

doi:10.18664/1994-7852.167.2017.97206

Cited by 2 publications

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“…The main criterion for the economic efficiency of constructions is mainly the given costs, which include the costs of creating the structure, i.e. reducing costs is the most important condition for choosing a rational structural form (Bouw et al, 2009;Shmukler, 2017). In turn, the decrease of the structure mass is associated with a decrease in the labor intensity of manufacturing and installation.…”

Section: Tablementioning

confidence: 99%

Efficiency of Rational Combined Steel Trusses

Ноhоl,

Dynka,

Sydorak

et al. 2023

Theory build. pract.

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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.

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Section: Tablementioning

confidence: 99%

Efficiency of Rational Combined Steel Trusses

Ноhоl,

Dynka,

Sydorak

et al. 2023

Theory build. pract.

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Analysis of Calculation Regulation Methods in Steel Combined Trusses

Ноhоl¹,

Peleshko²,

Petrenko³

et al. 2021

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The article is devoted to the calculated regulation of the stress deformation state (SDS) of combined steel trusses, which allows to reduce the efforts in some sections of the structure by increasing the efforts in other and design evenly stressed structures as the most rational systems. It is shown that the calculated method of SDS regulation makes it possible to reduce steel consumption by up to 34%. Four methods of calculated SDS regulation are proposed. The advantages of combined structures are given: the concentration of materials and the possibility of designing them as low-element. As shown in the example, for the quantitative criterion of quality it is possible to use rationally the maximum potential energy of deformation. Dependences for calculation of the maximum potential energy of compressed stretched, and compressed-bent elements of rod-bearing steel structures are given.

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New Energy Principles of Structures Rationalization

Abstract: Кекіш Наталія Анатоліївна, молодший науковий співробітник кафедри вишукування та проектування колії Білоруського державного університету транспорту. Тел.:

Cited by 2 publications

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Efficiency of Rational Combined Steel Trusses

Efficiency of Rational Combined Steel Trusses

Analysis of Calculation Regulation Methods in Steel Combined Trusses

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