Published August 30, 2024 | Version CC-BY-NC-ND 4.0
Journal article Open

Effectiveness of Friction Damper and Outrigger System on 3d RC Frame for Seismic Loading

  • 1. Department of Civil Engineering (Earthquake Engineering), Government Polytechnic Ramanagara (Karnataka), India.

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  • 1. Department of Civil Engineering (Earthquake Engineering), Government Polytechnic Ramanagara (Karnataka), India.
  • 2. Department of Civil Engineering, Government CPC Polytechnic, Mysuru (Karnataka), India.

Description

Abstract: The effectiveness of the friction damper and outrigger system on a 3D RC frame for seismic loading is studied. Friction dampers have the unique property of absorbing and dissipating energy through a simple mechanism. The mechanism involved in response control involves transforming the seismic energy into heat energy through frictional forces, thus avoiding structural collapse. In the seismic active zone, the structural performance of the 3D RC frame is poor, which shows an increasing time period and excessive drifts when subjected to lateral forces. These issues can be minimized by providing lateral load-resisting elements, such as an outrigger system, at different heights of the building. Based on this G+12-storeyed 3D RC frame model, the different locations of the friction damper and outrigger system are considered in this study. Following which, the FE analysis involving the modal, equivalent static, and response spectrum analyses is performed, and results are obtained in terms of time period, base shear, storey displacement, storey drift, and acceleration, which are all tabulated and discussed.

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Dates

Accepted
2024-08-15
Manuscript received on 17 July 2024 | Revised Manuscript received on 05 August 2024 | Manuscript Accepted on 15 August 2024 | Manuscript published on 30 August 2024.

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