Imperial College London
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ProfessorLeroyGardner

Faculty of Engineering, Department of Civil and Environmental Engineering

Professor of Structural Engineering
 
 
 
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Contact

 

+44 (0)20 7594 6058leroy.gardner

 
 
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Location

 

435Skempton BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Kucukler:2019:10.1016/j.engstruct.2019.04.008,
author = {Kucukler, M and Gardner, L},
doi = {10.1016/j.engstruct.2019.04.008},
journal = {Engineering Structures},
pages = {246--261},
title = {Design of web-tapered steel beams against lateral-torsional buckling through a stiffness reduction method},
url = {http://dx.doi.org/10.1016/j.engstruct.2019.04.008},
volume = {190},
year = {2019}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - A stiffness reduction method for the lateral-torsional buckling (LTB) assessment of welded web-tapered steel beams is presented in this study. The method is implemented by (i) modelling a tapered steel beam using elastic beam finite elements specifically developed to represent the elastic instability response of tapered steel members, (ii) reducing the Young's modulus E and shear modulus G of each element through a stiffness reduction function considering the bending moments and cross-section properties at the middle of each element and (iii) performing an elastic Linear Buckling Analysis of the beam with reduced stiffness, referred to as LBA-SR herein. Since the adverse influence of the development of plasticity and imperfections on the ultimate member strengths are fully accounted for through stiffness reduction, the presented method does not require any further global instability assessment using member design equations; thus, the proposed method is both direct and practical. Verification of the method is shown for a wide range of web-tapered steel beams using results from nonlinear shell finite element modelling.
AU  - Kucukler,M
AU  - Gardner,L
DO  - 10.1016/j.engstruct.2019.04.008
EP  - 261
PY  - 2019///
SN  - 0141-0296
SP  - 246
TI  - Design of web-tapered steel beams against lateral-torsional buckling through a stiffness reduction method
T2  - Engineering Structures
UR  - http://dx.doi.org/10.1016/j.engstruct.2019.04.008
UR  - http://hdl.handle.net/10044/1/70109
VL  - 190
ER  -
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