Comparative Analysis of Irregular Seismic RC structure

The seismic analysis and design of reinforced concrete (RC) structures, particularly tall buildings, has become increasingly important due to rapid urbanization and the growing demand for high-rise construction. Modern architecture requirements often result in buildings with plan and vertical irregularities, such as asymmetrical layout, setbacks, and mass variations. These configurations enhance the functionality and aesthetics, they significantly influence the structural response during seismic events. Earthquake forces are dynamic and unpredictable, energy generating disengage throughout the structure. The irregular buildings, the uneven distribution of mass and stiffness leads to complex responses such as numbness, stress concentration, and localized failures. Traditional design approaches, though widely used; are often insufficient to chapter these complexities accuracy. According to IS 1893 (Part 1): 2025, seismic analysis is commonly performed using Equivalent Static Analysis (ESA) and Response Spectrum Analysis (RSA).