Assessment of the Seismic Performance Improvement Effect of Shape Memory Alloys in Tall Buildings with Combined Shear Core and Peripheral Shear Walls

Document Type : Original Article

Authors

Faculty of Civil, Water, and Environmental Engineering, Shahid Beheshti University, Tehran, Iran

10.48308/ijce.2026.244919.1025

Abstract

In the past two decades, the use of Shape Memory Alloys (SMAs) has significantly contributed to improving the seismic performance of structures. Not only conventional low-rise structures, but also high-rise buildings have benefited from these performance enhancements. Among the advantages of SMAs in buildings are the reduction of structural irregularities and the provision of self-centering capabilities. This study investigates the effects of SMA application in a high-rise building equipped with both a central shear core and perimeter shear walls located at the four corners of the structure. The problem was examined under two scenarios: the use of conventional steel reinforcement and reinforcement enhanced with SMA, employed as the longitudinal reinforcement of the boundary elements of the shear core. Three earthquake acceleration time-history records with the best compatibility and consistency with the site conditions and regional seismicity were selected for the analysis. It is noteworthy that accidental torsion can lead to considerable torsional irregularity even in regular high-rise buildings.

Keywords

References

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Interdisciplinary Journal of Civil Engineering
Volume 2, Issue 1 - Serial Number 5
January 2026
Pages 85-104

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