Abstract
The usage of the passive energy dissipative system is increasing nowadays in the high seismic risk zones, particularly in the important buildings. In this context, the effectiveness of the nonlinear fluid viscous dampers (FVDs) in the seismic performance enhancement of RC buildings is analysed in this study. This research compares the engineering response parameters such as total displacement, drift ratio, residual displacement and the floor acceleration between bare frame only model and the same with the addition of nonlinear fluid viscous dampers for Design Basis Earthquake (DBE) and Maximum Considered Earthquake (MCE). The study is done in three categories of regular buildings from the perspective of Nepalese cities; five-storeyed, ten-storeyed and fifteen-storeyed buildings as this covers the typical high-rise buildings in Nepal. The building is modelled in the 3-D finite element analysis software SAP2000 developed by Computers and Structures Inc. The results show that nonlinear fluid viscous dampers are highly effective in reducing the storey displacement, drift and residual displacement whereas less effective in reducing floor acceleration as compared to the others and the efficacy of the dampers reduces with increasing building height.
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The authors acknowledge the American Society of Nepalese Engineers for their financial as well as technical support for the preparation of this paper.
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The American Society of Nepalese Engineers provided funding for this study.
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PB, PT and RS contributed equally in preparing the conceptual framework, carrying out the research, to the analysis of the results, discussion and validation of the results, and preparation of the manuscript.
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Tiwari, P., Badal, P. & Suwal, R. Effectiveness of fluid viscous dampers in the seismic performance enhancement of RC buildings. Asian J Civ Eng 24, 309–318 (2023). https://doi.org/10.1007/s42107-022-00504-1
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DOI: https://doi.org/10.1007/s42107-022-00504-1