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This study evaluates the seismic performance of a G+13 reinforced concrete building in Seismic Zone IV using a hybrid system of Lead Rubber Bearings (LRBs) and Fluid Viscous Dampers (FVDs). The structure, modeled in ETABS with Soil Type 2 parameters, incorporates LRBs designed for a total seismic weight of 344,208 kN and a design displacement of 8.26 mm. FVDs were placed at the 4th and 6th floors in both directions to achieve ~30% damping.
Linear static and dynamic analyses show that the integrated LRB+FVD system reduces peak displacement, inter-story drift, and base shear by approximately 68%, 65%, and 60%, respectively, compared to the fixed-base model. These reductions outperform LRB-only (50%, 47%, 43%) and FVD-only (58%, 53%, 49%) systems. Model-5, employing the hybrid approach, demonstrated the best overall performance.
The results highlight the effectiveness of combining base isolation and supplemental damping for enhancing seismic resilience in high-rise buildings, offering a robust strategy for earthquake-resistant design.
Keywords:
Seismic Performance, Fluid Viscous Dampers, Lead Rubber Bearing, ETABS, RC Buildings, Storey Drift, Base Shear, Earthquake-Resistant Design, Modal Mass participation Ratio
Cite Article:
"An Integrated Analysis Of Lead Rubber Bearings And Fluid Viscous Dampers For Enhancing Seismic Resilience Of Building SEISMIC RESILIENCE OF BUILDING", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2455-2631, Vol.10, Issue 5, page no.b285-b323, May-2025, Available :http://www.ijrti.org/papers/IJRTI2505135.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator