Citation :

Darshan M. Yagnik, Rajiv B. Bhatt, Snehal V. Mevada, "Seismic Response of Secondary System Installed in a Multistoried Building using Viscous Dampers," International Journal of Engineering Trends and Technology (IJETT), vol. 74, no. 3, pp. 272-291, 2026. Crossref, https://doi.org/10.14445/22315381/IJETT-V74I3P120

Abstract

Even though the secondary systems do not constitute the primary load-bearing System, they play a very critical part in the operation and safety of the multi-story buildings. The movement of the building during an earthquake may cause these systems to be damaged greatly, thus resulting in a collapse or lack of functionality. Viscous dampers shield these systems by absorbing seismic energy and damping the vibrations of buildings to lessen stress and possible damage to secondary systems. This paper is devoted to the topic of viscous dampers to improve structural resilience and the seismic behavior of secondary systems of a multi-story structure. In this research, the performance of the passive Linear Viscous Dampers (LVDs) and Nonlinear Viscous Dampers (NLVDs) is compared in terms of minimizing the seismic impacts. The state-space method is used to numerically solve the governing equations of Motion to get the acceleration and displacement responses of the building and its secondary systems. The best parameters of the damper are determined through numerical Analysis. When the controlled and uncontrolled seismic responses are compared, the strategic implementation of LVDs and NLVDs has a considerable impact in reducing the seismic effects on the Secondary Systems. These findings indicate the effectiveness of such damping systems in improving the stability of buildings, protecting occupants, and the functionality of buildings during earthquakes.

Keywords

Secondary Systems, Nonstructural Components, Viscous Dampers, Seismic Response, Linear Viscous Dampers, Nonlinear Viscous Dampers, State Space Approach, Building Resilience.

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