COMPARTIVE STUDY OF SEISMIC ANALYSIS ON STRUCTURES BY USING DAMPERS AND WITHOUT DAMPERS

Sharad Kumar Sharma; Vinod Kumar Modi

COMPARTIVE STUDY OF SEISMIC ANALYSIS ON STRUCTURES BY USING DAMPERS AND WITHOUT DAMPERS

Authors: Sharad Kumar Sharma, Vinod Kumar Modi

Unique Paper ID: 174283
Volume: 11
Issue: 10
PageNo: 3341-3346

Keywords: Fluid Viscus Damper Earthquake Performance Seismic Responses Structural Integrity. ETABS Lateral displacements Storey drifts.

Abstract:
Earthquakes, as one of the most destructive natural disasters, cause abrupt and severe ground motions due to the sudden release of energy within seconds. Recent seismic events highlight the vulnerability of modern society to such disasters. As a result, ensuring the safety and resilience of civil structures, along with protecting occupants and property, has become a global imperative. One of the primary challenges for structural engineers is designing buildings that can effectively withstand seismic forces and mitigate potential damage. Seismic events pose significant threats to structural stability, necessitating the adoption of advanced mitigation measures such as dampers to enhance resilience. This study conducts a comparative seismic analysis of structures with and without dampers using ETABS software. The primary aim is to assess the influence of dampers on structural performance by analyzing critical parameters, including story displacement, inter-story drift, base shear, and energy dissipation. This study examines the seismic performance of a reinforced concrete (RC) moment-resisting frame (MRF) building, modeled in two configurations, Model I: RC frame building without dampers and Model II: RC frame building with fluid viscous dampers (FVDs). The building, designed for commercial use, is assumed to be located in Seismic Zone IV as per Indian seismic zoning standards. Both models are developed and analyzed in ETABS software, considering all relevant design parameters. This study emphasizes the importance of integrating advanced damping systems like FVDs in seismic design to achieve safer and more resilient structures in earthquake-prone areas. The findings reveal that incorporating dampers not only enhances seismic resilience. The analysis results demonstrate that incorporating fluid viscous dampers significantly enhances the building's seismic performance. By carefully selecting suitable damping coefficients, FVDs effectively reduce structural responses such as displacements and accelerations during seismic events. Moreover, strategically placing dampers at critical locations within the structure achieves substantial reductions in earthquake-induced responses, improving the stability and safety of the building.

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Cite This Article

ISSN: 2349-6002
Volume: 11
Issue: 10
PageNo: 3341-3346

COMPARTIVE STUDY OF SEISMIC ANALYSIS ON STRUCTURES BY USING DAMPERS AND WITHOUT DAMPERS

Available:https://ijirt.org/Article?manuscript=174283

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