This study investigates the seismic behavior of reinforced concrete buildings with different types of vertical irregularities using Response Spectrum Analysis (RSA). Both regular and H-shaped plan irregular buildings were modeled, each with a footprint of 20x15 meters and a typical floor height of 3.2 meters, excluding the ground floor, for an 8-storey (G+7) structure. The seismic performance under a earthquake conditions was evaluated based on how stiffness, mass, and strength are distributed throughout the structure. The analysis compares plan-irregular building models featuring varying vertical irregularities. All models were analysed using STAAD.Pro V8i software.
Chandra et al. (Mon,) studied this question.
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