Seismic Resilience Analysis of Vertical Geometrically Irregular RCC Building

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Ashutosh N. Phadtare; Hanmant S. Jadhav

Seismic Resilience Analysis of Vertical Geometrically Irregular RCC Building

Authors: Ashutosh N. Phadtare, Hanmant S. Jadhav

Unique Paper ID: 174585
Volume: 11
Issue: 11
PageNo: 782-789

Keywords: Fragility curves Pushover Analysis Seismic vulnerability Vertical Irregularity

Abstract:
Through the combination of fragility curve generation and nonlinear static analysis, this study seeks to provide a thorough evaluation of the seismic risk of vertically uneven buildings. The study examines how multi-story buildings with vertical irregularities function seismically, with a particular emphasis on determining how vulnerable they are to seismic loading. The main goals are to create fragility curves for different damage states on the seismic response of the building by doing nonlinear static (pushover) analysis. To comprehend the dynamic behavior and response, five distinct models of vertically irregular buildings have to be analyzed in SAP2000 under seismic stress. carrying out nonlinear static (pushover) analysis, which models how the structure would react to increasing lateral loads. By gradually applying seismic forces, the pushover analysis creates a capacity curve that aids in comprehending how well the building performs at various seismic intensity levels. Frailty curves are made to show the likelihood that a building may experience Slight Damage, Medium Damage, Extensive Damage, and Collapse Damage. With damage states determined by displacement, the fragility curves are built using the pushover analysis results. The study's findings will show Model 3 is 30% more vulnerable under seismic excitation than Model 1 for complete collapse.

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Cite This Article

ISSN: 2349-6002
Volume: 11
Issue: 11
PageNo: 782-789

Seismic Resilience Analysis of Vertical Geometrically Irregular RCC Building

Available:https://ijirt.org/article?manuscript=174585

Impact Factor
8.01 (Year 2024)

UGC Approved
Journal no 47859

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