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

被引：23
|
作者：
Gkantou, Michaela [1 ]
Theofanous, Marios [1 ]
Wang, Jie [2 ]
Baniotopoulos, Charalampos [1 ]
Gardner, Leroy [2 ]
机构：
[1] Univ Birmingham, Coll Engn & Phys Sci, Sch Engn, Dept Civil Engn, Birmingham, W Midlands, England
[2] Imperial Coll London, Dept Civil & Environm Engn, London, England
来源：
PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-STRUCTURES AND BUILDINGS | 2017年 / 170卷 / 11期
关键词：
codes of practice & standards; design methods & aids; steel structures; RECTANGULAR HOLLOW SECTIONS; HIGH-PERFORMANCE STEEL; STUB COLUMNS; FLEXURAL BEHAVIOR; COMPRESSION TESTS; CAPACITY; SQUARE;
D O I：
10.1680/jstbu.16.00114
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
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.
引用
收藏
页码：841 / 854
页数：14
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