Seismic Resilience of Braced Corrugated Steel Shear Panels: Finite Element Investigation and Parametric Analysis

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Abstract:

This study proposes a novel braced corrugated shear panel (BCSP) system aimed at enhancing the seismic resilience of steel structures. In contrast to conventional flat shear panels, the BCSP incorporates stiffening ribs and corrugated geometry to improve deformability, delay local and global buckling, and increase lateral load-carrying capacity under cyclic loading. Metal shear panels are widely recognized for their stable hysteretic behavior, particularly in high seismic regions; nevertheless, their performance can be further improved through optimized geometry. This research examines the influence of corrugation orientation and angle on the behavior of BCSPs subjected to cyclic loading, demonstrating that replacing traditional thin ductile shear panels with a corrugated configuration significantly enhances structural response. The results show that horizontal corrugation provides superior strength, stiffness, and ductility compared to vertical or inclined corrugation, while the combined effect of bracing and corrugation increases lateral load-resisting capacity and facilitates easier post-earthquake replacement. Overall, BCSPs with horizontal corrugation exhibit optimal performance and high structural resilience in earthquake-prone regions, offering a promising advancement for future steel structure design.

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