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Experimental cyclic response of cold-formed hollow steel bracing members

Goggins, J.M. / Broderick, B.M. / Elghazouli, A.Y. / Lucas, A.S.

AbstractThis paper describes an experimental study on the response of rectangular and square hollow steel members to monotonic and cyclic axial loading. Tensile monotonic tests were first performed on short specimens in order to relate material strength to section resistance. The observed results are compared to European and North American design provisions. The cyclic tests included assessment of bracing specimens with various member lengths and cross-section sizes. The objective of these tests was to examine performance under idealised seismic loading conditions. In general, the steel hollow brace members exhibited stable hysteresis behaviour up to the on-set of local buckling, and then showed considerable degradation in strength and ductility depending on their slenderness. The tests provide information on key response parameters, including tensile and compressive strength and post-buckling capacity, as well as ductility and energy dissipation capabilities. Particular attention is given to the influence of member slenderness. The experimental findings are compared with the recommendations of a number of international codes of practice, and areas of agreement or discrepancy are highlighted.

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Experimental cyclic response of cold-formed hollow steel bracing members

Goggins, J.M. / Broderick, B.M. / Elghazouli, A.Y. / Lucas, A.S.

AbstractThis paper describes an experimental study on the response of rectangular and square hollow steel members to monotonic and cyclic axial loading. Tensile monotonic tests were first performed on short specimens in order to relate material strength to section resistance. The observed results are compared to European and North American design provisions. The cyclic tests included assessment of bracing specimens with various member lengths and cross-section sizes. The objective of these tests was to examine performance under idealised seismic loading conditions. In general, the steel hollow brace members exhibited stable hysteresis behaviour up to the on-set of local buckling, and then showed considerable degradation in strength and ductility depending on their slenderness. The tests provide information on key response parameters, including tensile and compressive strength and post-buckling capacity, as well as ductility and energy dissipation capabilities. Particular attention is given to the influence of member slenderness. The experimental findings are compared with the recommendations of a number of international codes of practice, and areas of agreement or discrepancy are highlighted.

Experimental cyclic response of cold-formed hollow steel bracing members

Goggins, J.M. / Broderick, B.M. / Elghazouli, A.Y. / Lucas, A.S.

AbstractThis paper describes an experimental study on the response of rectangular and square hollow steel members to monotonic and cyclic axial loading. Tensile monotonic tests were first performed on short specimens in order to relate material strength to section resistance. The observed results are compared to European and North American design provisions. The cyclic tests included assessment of bracing specimens with various member lengths and cross-section sizes. The objective of these tests was to examine performance under idealised seismic loading conditions. In general, the steel hollow brace members exhibited stable hysteresis behaviour up to the on-set of local buckling, and then showed considerable degradation in strength and ductility depending on their slenderness. The tests provide information on key response parameters, including tensile and compressive strength and post-buckling capacity, as well as ductility and energy dissipation capabilities. Particular attention is given to the influence of member slenderness. The experimental findings are compared with the recommendations of a number of international codes of practice, and areas of agreement or discrepancy are highlighted.

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Title:

Experimental cyclic response of cold-formed hollow steel bracing members

Contributors:

Goggins, J.M. (author) / Broderick, B.M. (author) / Elghazouli, A.Y. (author) / Lucas, A.S. (author)

Published in:

Engineering Structures ; 27 ; 977-989

Publication date:

2004-11-29

Size:

13 pages

ISSN:

DOI:

https://doi.org/10.1016/j.engstruct.2004.11.017

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Bracing members , Hollow sections , Cold-formed steel , Cyclic loading , Buckling strength , Post-buckling capacity , Ductility , Energy dissipation

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