Basic Column Strength

Beedle, L. S.; Tall, L.

doi:10.1061/taceat.0008493

Cited by 4 publications

(2 citation statements)

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“…The presence of residual stresses may affect the failure load and therefore must be considered when modelling and designing steel members. For cold-formed structural members, however, these effects can generally be neglected since the influence of the bending residual stresses, which are dominant in this section type, is already incorporated into the stress-strain curves obtained from tensile tests performed on coupons cut from the examined profiles [33][34].…”

Section: Residual Stressesmentioning

confidence: 99%

Behaviour and design of fixed‐ended steel equal‐leg angle section columns

et al. 2021

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The mechanical behaviour and design of fixed‐ended steel equal‐leg angle section members subjected to axial compression are addressed in this study. First, the critical buckling behaviour is described. Experimental data on steel equal‐leg angle section columns collected from the literature are then used for the validation of numerical (shell finite element) models, developed within the commercial package ABAQUS. Validation is performed by means of comparisons between the test and numerical results, considering ultimate loads, failure modes and the load‐deformation responses, all of which are shown to be generally in good agreement. A numerical parametric study is then presented considering steel angle section columns with a wide range of slenderness values. The behaviour and load‐carrying capacity of the columns is shown to be dependent on, not only the column slenderness, but also the ratio of the elastic torsional‐flexural buckling load to the elastic minor‐axis flexural buckling load. Finally, the collected experimental and generated numerical results are used to develop a new design approach for fixed‐ended steel equal‐leg angle section columns, reflecting the observations made. The proposed approach offers improved accuracy and consistency in strength predictions compared to the existing codified design rules.

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Section: Residual Stressesmentioning

confidence: 99%

Behaviour and design of fixed‐ended steel equal‐leg angle section columns

et al. 2021

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“…Several of these factors depend on the type of column and the fabrication process, e.g. the residual stresses left by hot rolling as discussed in considerable detail by Beedle and Tall (1960). The non-uniform axial stress distribution implies that yield of the section occurs in a more gradual fashion than shown in the idealized stress-strain relation in Fig.…”

Section: Perry-robertson's Column Design Criterionmentioning

confidence: 99%