The flexural behaviour of fixed-ended channel section columns
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Cited by (29)
State-of-the-art review on measurement techniques and numerical modeling of geometric imperfections in cold-formed steel members
2023, Journal of Constructional Steel ResearchExperimental investigation and design considerations on cold-formed steel built-up I-section columns subjected to interactive buckling modes
2022, Thin-Walled StructuresCitation Excerpt :Further, the research by Young and Rasmussen [64] and [65], Rasmussen and Hancock [87] concluded that the local buckling failure in fixed-end columns will not induce global failures. This was discovered in Young and Rasmussen [64] and Rasmussen and Hancock [87] by observing the load–displacement plots of fixed end columns and pinned end columns. However, the research from the present study indicates that the local buckling in fixed end columns also influences the global instability failures.
Behavior, analysis, and design of light gauge steel members
2021, Analysis and Design of Plated Structures: Volume 1: StabilityThe local-overall flexural interaction of fixed-ended plain channel columns and the influence on behaviour of local conditions at the constituent plate ends
2014, Thin-Walled StructuresCitation Excerpt :These works [3,4] also highlight the distinctly different characteristic response of columns with doubly- and singly-symmetric cross-sections. The works of Rasmussen and Hancock [5], Rasmussen [6] and Young and Rasmussen [7,8] considered the overall behaviour of locally buckled thin-walled compression members. These works essentially emphasised the differences between the behaviour of fixed-ended and pin-ended members with particular reference to members with singly symmetric cross-sections.
On the mechanics of thin-walled angle column instability
2012, Thin-Walled StructuresCitation Excerpt :The differences described in the previous two items stem from removing the minor-axis flexural rotations restraints at the column end sections. Indeed, although the mechanical reasoning behind the appearance and development of the three half-wave dm profile remains valid for the pin-ended columns (recall that the end section secondary warping and torsional rotation are still prevented), the absence of the minor-axis end moments implies that it is no longer possible to oppose the minor-axis bending that stems from the “effective centroid shifts” occurring due to the cross-section normal stress redistribution (e.g., [24,25]) — this fact explains the predominance of the “well curved” (sinusoidal) half-wave longitudinal profile component over its three half-wave counterpart (a switch from a three half-wave profile to a single half-wave one is no longer visible). Such predominance is even more “suffocating” for the longer columns, such as the PC6 one, due to the growing interaction with minor-axis flexural buckling, brought about by the proximity between the flexural–torsional and flexural buckling loads.