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PUBLICATIONS

Influence of Fire on the Lateral Resistance of Cold-Formed Steel Shear Walls – Phase 2: Oriented Strand Board, Strap Braced, and Gypsum-Sheet Steel Composite

Published

Author(s)

Matthew S. Hoehler, Blanca Andres Valiente, Matthew F. Bundy

Abstract

This report presents experimental investigations of the performance of cold-formed steel lateral force-resisting systems (CFS-LRFS) under combinations of simulated earthquake and fire loading. Three types of shear wall systems are investigated: gypsum-sheet steel composite panel sheathed walls, oriented strand board (OSB) sheathed walls, and steel strap braced walls. Twenty-two 2.7 m tall by 3.7 m long test specimens are subjected sequentially to combinations of mechanical (cyclic shear deformation) and thermal (fire) load. The mechanical loading setup and protocol are based on ASTM E2126 Method C (CUREE Basic Loading Protocol). Fire loads of varying intensity that represent the characteristics of actual fires are investigated. The work is a step toward developing fragility curves (representations of the probability of exceeding a given damage state as a function of an engineering demand parameter) for these systems and is essential for performance-based design for fire.
Citation
Technical Note (NIST TN) - 2038
Report Number
2038
NIST Pub Series
Technical Note (NIST TN)
Pub Type
NIST Pubs

Download Paper

https://doi.org/10.6028/NIST.TN.2038

Keywords

cold-formed steel, earthquake, fire, fire following earthquake, gypsum-sheet steel composite panel, oriented strand board, shear walls, strap braced, performance-based design
Structural fire resistance

Citation

Hoehler, M. , Andres, B. and Bundy, M. (2019), Influence of Fire on the Lateral Resistance of Cold-Formed Steel Shear Walls – Phase 2: Oriented Strand Board, Strap Braced, and Gypsum-Sheet Steel Composite, Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.TN.2038 (Accessed October 13, 2025)

Issues

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Created March 5, 2019
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