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Experimental and numerical study of stainless steel I-sections under concentrated internal one-flange and internal two-flange loading. / dos Santos, Gabriel; Gardner, Leroy; Kucukler, Merih.

In: Engineering Structures, Vol. 175, 22.08.2018, p. 355-370.

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@article{f13838aec91646d993a37d547773e68f,
title = "Experimental and numerical study of stainless steel I-sections under concentrated internal one-flange and internal two-flange loading",
abstract = "The behaviour and design of stainless steel I-section beams under concentrated transverse loading are investigated in this study. Twenty-four experiments on stainless steel I-sections, formed by the welding of hot-rolled plates, were performed. The tests were conducted under two types of concentrated transverse loading – internal one-flange (IOF) and internal two-flange (ITF) loading. The experimental set-up, procedure and results, including the full load-displacement histories, ultimate loads and failure modes, are reported. A complementary nonlinear finite element modelling study was also carried out. The models were first validated against the results of the experiments. A parametric investigation into the influence of key parameters such as the bearing length, web slenderness and level of coexistent bending moment, on the structural response was then performed. Finally, an assessment of current design provisions for the resistance of stainless steel welded I-sections to concentrated loading is presented. The results show that the current design formulae yield safe-sided, but generally rather scattered and conservative capacity predictions, with considerable scope for further development.",
keywords = "Austenitic stainless steel, Concentrated transverse load, Experiments, Finite element modelling, Internal one-flange (IOF), Internal two-flange (ITF), Testing",
author = "{dos Santos}, Gabriel and Leroy Gardner and Merih Kucukler",
year = "2018",
month = aug,
day = "22",
doi = "10.1016/j.engstruct.2018.08.015",
language = "English",
volume = "175",
pages = "355--370",
journal = "Engineering Structures",
issn = "0141-0296",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - Experimental and numerical study of stainless steel I-sections under concentrated internal one-flange and internal two-flange loading

AU - dos Santos, Gabriel

AU - Gardner, Leroy

AU - Kucukler, Merih

PY - 2018/8/22

Y1 - 2018/8/22

N2 - The behaviour and design of stainless steel I-section beams under concentrated transverse loading are investigated in this study. Twenty-four experiments on stainless steel I-sections, formed by the welding of hot-rolled plates, were performed. The tests were conducted under two types of concentrated transverse loading – internal one-flange (IOF) and internal two-flange (ITF) loading. The experimental set-up, procedure and results, including the full load-displacement histories, ultimate loads and failure modes, are reported. A complementary nonlinear finite element modelling study was also carried out. The models were first validated against the results of the experiments. A parametric investigation into the influence of key parameters such as the bearing length, web slenderness and level of coexistent bending moment, on the structural response was then performed. Finally, an assessment of current design provisions for the resistance of stainless steel welded I-sections to concentrated loading is presented. The results show that the current design formulae yield safe-sided, but generally rather scattered and conservative capacity predictions, with considerable scope for further development.

AB - The behaviour and design of stainless steel I-section beams under concentrated transverse loading are investigated in this study. Twenty-four experiments on stainless steel I-sections, formed by the welding of hot-rolled plates, were performed. The tests were conducted under two types of concentrated transverse loading – internal one-flange (IOF) and internal two-flange (ITF) loading. The experimental set-up, procedure and results, including the full load-displacement histories, ultimate loads and failure modes, are reported. A complementary nonlinear finite element modelling study was also carried out. The models were first validated against the results of the experiments. A parametric investigation into the influence of key parameters such as the bearing length, web slenderness and level of coexistent bending moment, on the structural response was then performed. Finally, an assessment of current design provisions for the resistance of stainless steel welded I-sections to concentrated loading is presented. The results show that the current design formulae yield safe-sided, but generally rather scattered and conservative capacity predictions, with considerable scope for further development.

KW - Austenitic stainless steel

KW - Concentrated transverse load

KW - Experiments

KW - Finite element modelling

KW - Internal one-flange (IOF)

KW - Internal two-flange (ITF)

KW - Testing

U2 - 10.1016/j.engstruct.2018.08.015

DO - 10.1016/j.engstruct.2018.08.015

M3 - Article

VL - 175

SP - 355

EP - 370

JO - Engineering Structures

JF - Engineering Structures

SN - 0141-0296

ER -