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Abstract
ABSTRACT The double-corrugated-plate shear wall (DCPSW) is composed of two identical corrugated plates that are assembled using connecting bolts. The DCPSW can exhibit much greater shear resistance than the ordinary steel corrugated plate shear wall (SCPSW) since the former forms a series of closed-sections while the latter is with open sections. In this paper, the shear resistant behavior of the DCPSWs is investigated. By using a validated FE modeling scheme, a parametric study of aspect ratio, bolt column number, corrugated plate thickness and yield stress of the DCPSWs is performed to investigate their effects on the shear resistant behavior. By analyzing the FE results, the ultimate shear resistance factor φ and the residual strength factor φr which corresponds to a final state with a drift angle of 2.0% of the DCPSW are obtained. It is found that both factors are negatively related to the normalized slenderness ratio λn. The φ-λn and φr-λn relationships obtained in this study are capable of providing conservative predictions of the ultimate shear resistance and post-ultimate residual strength for the DCPSWs. Finally, the shear resistant curves between shear load and drift angle of the DCPSWs with the variable of the normalized slenderness ratio λn are established. These shear resistant curves are regarded as simplified constitutive models when performing the required push-over elastoplastic analysis of the DCPSWs under severe earthquake excitation.
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