Copyright © 2025 Authors retain the copyright of this article. This article is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

@article{188135,
        author = {Tungekar Fahad Ahmed M. Husain and P. R. Barbude and Dr. S. A. Rasal},
        title = {A Critical Review on Seismic Performance and Vulnerability Assessment of Vertically Irregular Buildings},
        journal = {International Journal of Innovative Research in Technology},
        year = {2025},
        volume = {12},
        number = {7},
        pages = {1921-1924},
        issn = {2349-6002},
        url = {https://ijirt.org/article?manuscript=188135},
        abstract = {Soft story buildings exhibit significant vulnerability under seismic loading due to uneven stiffness distribution, resulting in the concentration of seismic demand and localized failure. Previous studies consistently emphasize the critical effects of stiffness irregularities, soft story mechanisms, and material configuration on overall building performance. Findings reveal that buildings with Properly designed infills and bracing systems significantly improve seismic resistance by enhancing lateral stiffness and controlling story drift. Comparative analysis between SMRF and OMRF frames demonstrates that SMRFs offer higher displacement capacity and improved collapse prevention. Experimental and analytical models further confirm that infilled frames enhance lateral strength and energy dissipation, though weak masonry may induce undesirable shear failures in columns. Moreover, the seismic q-factor and ductility assessments underline that frame height and local ductility substantially influence structural performance. Altogether, the reviewed studies establish that a comprehensive approach integrating stiffness modification, improved column design, and performance-based evaluation is essential to mitigate soft story vulnerabilities in RC frames.},
        keywords = {infill wall, soft storey, vertical irregularity, seismic vulnerability, pushover analysis.},
        month = {December},
        }