Experimental investigation on residual stresses in heavy wide flange QST steel sections

R.C. Spoorenberg, H.H. Snijder, L.-G. Cajot, M.S. May

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

This paper presents the experimental results of residual stress measurements conducted on heavy wide flange quenched and self-tempered (QST) steel sections which have been developed by ArcelorMittal under the proprietary name HISTAR (HIgh-STrength ARcelorMittal). These sections are often applied in high-rise buildings, trusses or offshore structures and combine high strength with good toughness and weldability. The experiments are part of a larger study to arrive at buckling curves for these members as they are currently not provided by the European code. Two different sections with flange thicknesses greater than 100 mm are investigated and two types are examined: the stocky HD and more slender HL type. The sectioning method is adopted for measuring the residual stresses. It is found that both types display compres-sive residual stresses at the flange tips and the web and tensile residual stresses at the web-to-flange junc-tions. In absolute sense the residual stresses are greater in the HL type. From the experimental results a residual stress model is derived which can serve as the initial stress state of a heavy HISTAR section in non-linear finite element analyses.
LanguageEnglish
Pages63-74
Number of pages12
JournalJournal of Constructional Steel Research
Volume89
DOIs
StatePublished - 2013

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Steel
Flanges
Residual stresses
Trusses
Weldability
Offshore structures
Stress measurement
Tensile stress
Toughness
Buckling
Experiments

Cite this

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title = "Experimental investigation on residual stresses in heavy wide flange QST steel sections",
abstract = "This paper presents the experimental results of residual stress measurements conducted on heavy wide flange quenched and self-tempered (QST) steel sections which have been developed by ArcelorMittal under the proprietary name HISTAR (HIgh-STrength ARcelorMittal). These sections are often applied in high-rise buildings, trusses or offshore structures and combine high strength with good toughness and weldability. The experiments are part of a larger study to arrive at buckling curves for these members as they are currently not provided by the European code. Two different sections with flange thicknesses greater than 100 mm are investigated and two types are examined: the stocky HD and more slender HL type. The sectioning method is adopted for measuring the residual stresses. It is found that both types display compres-sive residual stresses at the flange tips and the web and tensile residual stresses at the web-to-flange junc-tions. In absolute sense the residual stresses are greater in the HL type. From the experimental results a residual stress model is derived which can serve as the initial stress state of a heavy HISTAR section in non-linear finite element analyses.",
author = "R.C. Spoorenberg and H.H. Snijder and L.-G. Cajot and M.S. May",
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pages = "63--74",
journal = "Journal of Constructional Steel Research",
issn = "0143-974X",
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Experimental investigation on residual stresses in heavy wide flange QST steel sections. / Spoorenberg, R.C.; Snijder, H.H.; Cajot, L.-G.; May, M.S.

In: Journal of Constructional Steel Research, Vol. 89, 2013, p. 63-74.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Experimental investigation on residual stresses in heavy wide flange QST steel sections

AU - Spoorenberg,R.C.

AU - Snijder,H.H.

AU - Cajot,L.-G.

AU - May,M.S.

PY - 2013

Y1 - 2013

N2 - This paper presents the experimental results of residual stress measurements conducted on heavy wide flange quenched and self-tempered (QST) steel sections which have been developed by ArcelorMittal under the proprietary name HISTAR (HIgh-STrength ARcelorMittal). These sections are often applied in high-rise buildings, trusses or offshore structures and combine high strength with good toughness and weldability. The experiments are part of a larger study to arrive at buckling curves for these members as they are currently not provided by the European code. Two different sections with flange thicknesses greater than 100 mm are investigated and two types are examined: the stocky HD and more slender HL type. The sectioning method is adopted for measuring the residual stresses. It is found that both types display compres-sive residual stresses at the flange tips and the web and tensile residual stresses at the web-to-flange junc-tions. In absolute sense the residual stresses are greater in the HL type. From the experimental results a residual stress model is derived which can serve as the initial stress state of a heavy HISTAR section in non-linear finite element analyses.

AB - This paper presents the experimental results of residual stress measurements conducted on heavy wide flange quenched and self-tempered (QST) steel sections which have been developed by ArcelorMittal under the proprietary name HISTAR (HIgh-STrength ARcelorMittal). These sections are often applied in high-rise buildings, trusses or offshore structures and combine high strength with good toughness and weldability. The experiments are part of a larger study to arrive at buckling curves for these members as they are currently not provided by the European code. Two different sections with flange thicknesses greater than 100 mm are investigated and two types are examined: the stocky HD and more slender HL type. The sectioning method is adopted for measuring the residual stresses. It is found that both types display compres-sive residual stresses at the flange tips and the web and tensile residual stresses at the web-to-flange junc-tions. In absolute sense the residual stresses are greater in the HL type. From the experimental results a residual stress model is derived which can serve as the initial stress state of a heavy HISTAR section in non-linear finite element analyses.

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DO - 10.1016/j.jcsr.2013.06.009

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SN - 0143-974X

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