The behaviour of hot-rolled high-strength steel (HSS) tubular sections under combined compression and uniaxial bending was investigated both experimentally and numerically. The experimental programme encompassed a series of material coupon tests, initial geometric imperfection measurements, residual stress measurements and 12 tests on stub columns subjected to uniaxial eccentric compression. Numerical models were developed and validated against the experimental results. An extensive parametric study was then performed with the aim of generating further structural performance data over a wider range of cross-section slendernesses, aspect ratios and applied eccentricities. The results were utilised for an assessment of the applicability of relevant Eurocode provisions to HSS cross-sections under combined loading. Conclusions regarding the applicability of Eurocode interaction curves to S460 and S690 square and rectangular hollow sections are presented.
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November 2017
Research Article|
August 15 2017
Behaviour and design of high-strength steel cross-sections under combined loading
Michaela Gkantou, PhD;
Michaela Gkantou, PhD
Research Fellow
Department of Civil Engineering, School of Engineering, College of Engineering and Physical Sciences, University of Birmingham, Edgbaston, Birmingham, UK (corresponding author: m.gkantou@bham.ac.uk)
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Marios Theofanous, PhD;
Marios Theofanous, PhD
Lecturer
Department of Civil Engineering, School of Engineering, College of Engineering and Physical Sciences, University of Birmingham, Edgbaston, Birmingham, UK
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Jie Wang, PhD;
Jie Wang, PhD
Research Associate
Department of Civil and Environmental Engineering, Imperial College London, London, UK
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Charalampos Baniotopoulos, PhD;
Charalampos Baniotopoulos, PhD
Professor
Department of Civil Engineering, School of Engineering, College of Engineering and Physical Sciences, University of Birmingham, Edgbaston, Birmingham, UK
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Leroy Gardner, PhD
Leroy Gardner, PhD
Professor
Department of Civil and Environmental Engineering, Imperial College London, London, UK
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Publisher: Emerald Publishing
Received:
May 27 2016
Accepted:
May 18 2017
Online ISSN: 1751-7702
Print ISSN: 0965-0911
ICE Publishing: All rights reserved
2017
Proceedings of the Institution of Civil Engineers - Structures and Buildings (2017) 170 (11): 841–854.
Article history
Received:
May 27 2016
Accepted:
May 18 2017
Citation
Gkantou M, Theofanous M, Wang J, Baniotopoulos C, Gardner L (2017), "Behaviour and design of high-strength steel cross-sections under combined loading". Proceedings of the Institution of Civil Engineers - Structures and Buildings, Vol. 170 No. 11 pp. 841–854, doi: https://doi.org/10.1680/jstbu.16.00114
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