Behaviour and design of high-strength steel cross-sections under combined loading

M. Gkantou, Marios Theofanous, Jie Wang, C Baniotopoulos, Leroy Gardner

Research output: Contribution to journalArticlepeer-review

20 Citations (SciVal)


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.
Original languageEnglish
Pages (from-to)841-854
Number of pages14
JournalProceedings of the Institution of Civil Engineers-Structures and Buildings
Issue number11
Early online date15 Aug 2017
Publication statusPublished - 2017


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