STUDY OF THE SEISMIC BEHAVIOR OF MULTISTOREY BUILDING WITH AND WITHOUT BASE ISOLATION AND LIQUID TUNNED MASS DAMPER
Author(s):
VAISHNVI SUNIL JADHAV, S.A.BHALCHANDRA
Keywords:
Base isolation, Liquid tuned mass dampers (LTMD), High-rise buildings, ETABS software.
Abstract
This study investigates the behavior of base isolation and liquid tuned mass dampers (LTMD) in enhancing the structural stability and mitigating dynamic loads in high-rise buildings. Base Isolation, utilizing flexible bearings, decouples the building from ground motion, effectively reducing seismic forces. LTMDs, comprising liquid-filled tanks, counteract wind-induced vibrations by oscillating in opposition to the building’s movement. Utilizing ETABS software, dynamic analyses were conducted on a G+12 storey RCC structure under various scenarios, including seismic and blast loads. Results indicated significant reductions in displacement, story drift, and base shear when employing both base isolation and LTMDs. The findings indicate substantial reductions in displacement, story drift, and base shear when employing both base isolation and LTMDs. For instance, the displacement in UX direction was reduced from 66.287 mm in the basic model to 0.803 mm with TMD. These results demonstrate that integrating these techniques enhances the seismic and wind resilience of high-rise buildings, thereby improving occupant safety and structural integrity.
Article Details
Unique Paper ID: 166013

Publication Volume & Issue: Volume 11, Issue 1

Page(s): 2260 - 2265
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