Journal
JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH
Volume 78, Issue -, Pages 159-172Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jcsr.2012.07.002
Keywords
Composite; Steel plate shear wall; GFRP laminate; Fiber orientation; Seismic behavior; Stiffness; Failure modes
Funding
- IIEES
- Sika Parsian Co.
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In this paper, the nonlinear behavior of the composite steel plate shear walls, in which steel infill plates was strengthened by the fiber reinforced polymers (FRP), is experimentally investigated. Tests are designed to evaluate the effect of Glass-FRP layers, the number of GFRP layers and the orientation of GFRP layers on the stiffness, shear strength, cumulative dissipated energy and other major seismic parameters in the composite steel plate shear walls. Experimental models are scaled as one-story steel shear panel models with hinge type connections as boundaries at four corners. In the first test, unstiffened steel infill plate is used for the testing as a reference test. However, in the next four tests, strengthened steel infill plates were used with different numbers and orientation of GFRP layers. Each test was performed under fully reversed cyclic quasi-static loading in the elastic and inelastic response zones of the specimens, in compliance with the ATC-24 (1992) test protocol. The experimental results indicated that by strengthening the infill steel plates yield by laminates strength, ultimate shear strength and cumulative dissipated energy can be significantly increased. The paper therefore presents the background, procedure and set-up used as well as the test results. (C) 2012 Elsevier Ltd. All rights reserved.
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