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Inelastic performance of cold-formed steel strap braced walls

Al-Kharat, M. / Rogers, C.A.

AbstractThe inelastic performance of sixteen 2.44 m×2.44 m cold-formed steel strap braced walls was evaluated experimentally. The performance was affected by the holddown detail, which in many cases did not allow the test specimens to reach or maintain a yield capacity and severely diminished the overall system ductility. “Test-based” $R_{d} \times R_{o}$ values of 3.65, 2.11 and 1.72 indicate the low ductility levels, which were not adequate to warrant the use of a seismic response modification coefficient of $R = 4.0$ in design. Capacity design of the SFRS elements must account for the overstrength of the strap material.

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Inelastic performance of cold-formed steel strap braced walls

Al-Kharat, M. / Rogers, C.A.

AbstractThe inelastic performance of sixteen 2.44 m×2.44 m cold-formed steel strap braced walls was evaluated experimentally. The performance was affected by the holddown detail, which in many cases did not allow the test specimens to reach or maintain a yield capacity and severely diminished the overall system ductility. “Test-based” $R_{d} \times R_{o}$ values of 3.65, 2.11 and 1.72 indicate the low ductility levels, which were not adequate to warrant the use of a seismic response modification coefficient of $R = 4.0$ in design. Capacity design of the SFRS elements must account for the overstrength of the strap material.

Inelastic performance of cold-formed steel strap braced walls

Al-Kharat, M. / Rogers, C.A.

AbstractThe inelastic performance of sixteen 2.44 m×2.44 m cold-formed steel strap braced walls was evaluated experimentally. The performance was affected by the holddown detail, which in many cases did not allow the test specimens to reach or maintain a yield capacity and severely diminished the overall system ductility. “Test-based” $R_{d} \times R_{o}$ values of 3.65, 2.11 and 1.72 indicate the low ductility levels, which were not adequate to warrant the use of a seismic response modification coefficient of $R = 4.0$ in design. Capacity design of the SFRS elements must account for the overstrength of the strap material.

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Title:

Inelastic performance of cold-formed steel strap braced walls

Contributors:

Al-Kharat, M. (author) / Rogers, C.A. (author)

Published in:

Journal of Constructional Steel Research ; 63 ; 460-474

Publication date:

2006-06-27

Size:

15 pages

ISSN:

DOI:

https://doi.org/10.1016/j.jcsr.2006.06.040

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Cold-formed steel , Strap brace , Ductility , Inelastic , Seismic , Performance

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