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- Title
Cold–formed thin–walled steel walls filled with phosphogypsum subjected to lateral cyclic loading: testing and analysis.
- Authors
Hu, Song; Zhou, Li; Huang, Yong
- Abstract
In order to improve the shear capacity and seismic performance of cold–formed thin–walled steel (CFS) walls, in this research, a novel CFS wall filled with phosphogypsum (PG) was developed. Taking PG filling area and covering the wall with sheathing as design parameters, four full–scale test specimens were designed and constructed. Failure mode and seismic performance indexes of each specimen were investigated by performing cyclic loading tests and the effect of PG filler on CFS wall seismic performance was evaluated. Research results showed that PG filler significantly improved the seismic performance and shear capacity of CFS walls. Importantly, the proposed wall presented a remarkable dual–mechanism of lateral force resistance, which was provided by PG filler and wall sheathings, respectively. In addition, analytical models were developed for the calculation of the shear capacity and lateral stiffness of the proposed walls, which presented high prediction accuracy.
- Subjects
COLD-formed steel; CYCLIC loads; PHOSPHOGYPSUM; STEEL walls; WALLS; LATERAL loads; WALL design &; construction; FAILURE mode &; effects analysis; STEEL framing
- Publication
Advances in Structural Engineering, 2024, Vol 27, Issue 5, p796
- ISSN
1369-4332
- Publication type
Article
- DOI
10.1177/13694332241232047