Cross-Section Size Optimization of Cold-Formed Steel Lipped Channel Structural Members Subjected to Axial Compression

被引：0

作者：

Yurchenko, Vitalina ^{[1
]}

Perelmuter, Anatoly ^{[2
]}

Peleshko, Ivan ^{[3
]}

机构：

[1] Kyiv Natl Univ Civil Engn & Architecture, Dept Civil Engn, Chair Steel & Timber Struct, 31 Povitroflotsky Av, UA-03680 Kiev, Ukraine

[2] SCAD Soft Ltd, 3A Osvity Str,Of 2, UA-03037 Kiev, Ukraine

[3] Lviv Polytech Natl Univ, Dept Bldg Prod, Inst Civil Engn & Bldg Syst, 6 Karpinskoho St,Bldg 2, UA-79013 Lvov, Ukraine

来源：

CIVIL AND ENVIRONMENTAL ENGINEERING | 2022年 / 18卷 / 02期

关键词：

Cold-formed steel; Buckling resistance; Torsional-flexural buckling; Parametric optimization; Gradient-based methods; SHAPE OPTIMIZATION; BEAMS; COLUMNS; DESIGN;

D O I：

10.2478/cee-2022-0044

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A parametric optimization problem of cross-sectional sizes for cold-formed steel lipped channel structural members subjected to axial compression has been considered by the paper. An optimization problem is formulated to define optimum cross-sectional sizes of cold-formed structural member taking into account post-buckling behavior and structural requirements when stripe width, profile thickness and profile type are constant and specified in advance. Maximization of the load-carrying capacity of the cold-formed structural member has been assumed as purpose function. As optimization results cold-formed steel lipped channels with optimum dimensions have been obtained. Steel lipped channels structural members with the optimum cross-sectional dimensions have higher load-carrying capacities at the same material consumption (stripe width) comparing with the ones proposed by the manufacturer when the material consumption.

引用

页码：472 / 481

页数：10

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