General Method for the fire design of tapered steel columns: Out‐of‐plane flexural buckling

Fire resistance is required to sustain the structural stability when building elements are exposed to a severe fire condition. To evaluate the fire resistance of structural members such as columns and beams, fire engineers can apply either prescriptive methods or performance-based fire design. These two kinds of fire resistance evaluation methods have been developed independently and performance fire design consists mainly of an advanced and simple methods. The simple method stipulated in New Zealand and the U.K. use the limiting temperature. The values of the limiting temperatures of structural steel members were shown in the BS, SNZ, etc but the temperatures of individuals were not classified. In general steel columns were made of H-section but recently the hollow section is inclined to increase for its higher resistant of structural stabilities than any other sections. But the hollow section shows different pattern when it carry out the loads in the cold and is expected to show different behavior when it is exposed to fire. Therefore the limiting temperature of the hollow section is required for evaluation of fire resistance. The paper is to make the limiting temperature of the circular hollow section (CHS) with or without filling of concrete and variance of applied loads.

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Statistical Analysis of Flexural-Buckling-Resistance Models for High-Strength Steel Columns

Journal of Structural Engineering ◽

10.1061/(asce)st.1943-541x.0002529 ◽

2020 ◽

Vol 146 (2) ◽

pp. 04019210

Author(s):

Gabriel Sabau ◽

Ove Lagerqvist ◽

Nancy Baddoo

Keyword(s):

Statistical Analysis ◽

High Strength Steel ◽

High Strength ◽

Steel Columns ◽

Flexural Buckling ◽

Buckling Resistance

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The General Method for the fire design of I-section web-tapered beams

Thin-Walled Structures ◽

10.1016/j.tws.2021.108377 ◽

2021 ◽

Vol 169 ◽

pp. 108377

Author(s):

Élio Maia ◽

Carlos Couto ◽

Paulo Vila Real ◽

Nuno Lopes

Keyword(s):

Fire Design ◽

General Method

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A new design method for stainless steel columns subjected to flexural buckling

Thin-Walled Structures ◽

10.1016/j.tws.2014.01.018 ◽

2014 ◽

Vol 83 ◽

pp. 43-51 ◽

Cited By ~ 11

Author(s):

Ganping Shu ◽

Baofeng Zheng ◽

Lianchun Xin

Keyword(s):

Stainless Steel ◽

Design Method ◽

Steel Columns ◽

Flexural Buckling

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The “general method” for assessing the out-of-plane stability of structural members and frames and the comparison with alternative rules in EN 1993 - Eurocode 3 - Part 1-1

Steel Construction ◽

10.1002/stco.201010004 ◽

2010 ◽

Vol 3 (1) ◽

pp. 19-33 ◽

Cited By ~ 29

Author(s):

Frans Bijlaard ◽

Markus Feldmann ◽

Johannes Naumes ◽

Gerhard Sedlacek

Keyword(s):

Structural Members ◽

Eurocode 3 ◽

Out Of Plane ◽

General Method

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Stability design criteria for closely spaced built-up stainless steel columns

Gradjevinski materijali i konstrukcije ◽

10.5937/grmk2104235d ◽

2021 ◽

Vol 64 (4) ◽

pp. 235-250

Author(s):

Jelena Dobrić ◽

Nina Gluhović ◽

Zlatko Marković ◽

Dragan Buđevac

Keyword(s):

Stainless Steel ◽

Shear Stiffness ◽

Minor Axis ◽

Structural Performance ◽

Design Criteria ◽

Geometric Imperfections ◽

Steel Columns ◽

Flexural Buckling ◽

The University ◽

The Impact

This paper aims to develop design recommendations for closely spaced built-up stainless steel columns, based on findings gained in performed research at the University of Belgrade. The research focuses on pin-ended built-up columns formed from two press-braked channel chords oriented back-to-back and addresses their flexural buckling capacity about the minor axis. The impact of overall and local chord slenderness, interconnection stiffness, geometric imperfections and material nonlinearity is evaluated. In order to fully exploit their structural performance, two separate approaches for the design of built-up columns with welded or bolted interconnections are defined that include different formulas for shear stiffness.

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