Imperial College London
Alternate

Professor M Ahmer Wadee

Faculty of Engineering, Department of Civil and Environmental Engineering

Professor of Nonlinear Mechanics
 
 
 
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Contact

 

+44 (0)20 7594 6050a.wadee Website

 
 
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Assistant

 

Ms Ruth Bello +44 (0)20 7594 6040

 
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Location

 

421Skempton BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Li:2016:10.1016/j.jcsr.2016.03.007,
author = {Li, P and Wadee, MA and Yu, J and Christie, NG and Wu, M},
doi = {10.1016/j.jcsr.2016.03.007},
journal = {Journal of Constructional Steel Research},
pages = {274--291},
title = {Stability of prestressed stayed steel columns with a three branch crossarm system},
url = {http://dx.doi.org/10.1016/j.jcsr.2016.03.007},
volume = {122},
year = {2016}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Analytical and numerical investigations of the stability of prestressed stayed columns with three crossarms branching laterally and symmetrically are presented. It is shown that modal symmetry is broken automatically if the critical mode is antisymmetric, which distinguishes it from the stayed columns studied hitherto. The governing imperfection distribution that should be adopted within finite element analysis to capture the actual load-carrying capacity is also obtained. The findings suggest that when the critical buckling mode is symmetric, the governing imperfection distribution should also be symmetric. Conversely, if the critical buckling mode is antisymmetric, a symmetric imperfection distribution or an asymmetric imperfection distribution may be adopted as the most severe imperfection distribution depending on the system characteristics. This would enable designers to determine an accurate prediction of the actual strength through nonlinear finite element analysis.
AU  - Li,P
AU  - Wadee,MA
AU  - Yu,J
AU  - Christie,NG
AU  - Wu,M
DO  - 10.1016/j.jcsr.2016.03.007
EP  - 291
PY  - 2016///
SN  - 1873-5983
SP  - 274
TI  - Stability of prestressed stayed steel columns with a three branch crossarm system
T2  - Journal of Constructional Steel Research
UR  - http://dx.doi.org/10.1016/j.jcsr.2016.03.007
UR  - http://hdl.handle.net/10044/1/30160
VL  - 122
ER  -
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