What type of study is this?

This is a Response Spectrum Analysis study.

September 10, 2025

Assessment of Seismic Performance in Buildings with Plan Irregularities

Key Points

Seismic performance was evaluated under earthquake conditions, focusing on stiffness and strength distribution.
Different vertical irregularities in building designs were assessed, showcasing variations in structural performance.
Response Spectrum Analysis (RSA) was employed for modeling both regular and H-shaped irregular buildings.
Utilization of STAAD.Pro V8i software facilitated detailed analysis of structural behavior under seismic loads.

Abstract

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.

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Assessment of Seismic Performance in Buildings with Plan Irregularities

Key Points

Abstract

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