Abstract
The present study proposes the use of base isolation for liquid containers and its effectiveness is investigated numerically. The seismic response of partially filled ground-supported rectangular tank with the submerged block is carried out under real earthquake ground motion. Six different earthquake ground excitations are considered, which are characterized as low-, intermediate-, and high-frequency-content earthquakes. The liquid domain is discretized as eight-noded isoparametric finite elements. The effect of variable height submerged block on sloshing response in the partially filled rectangular tank is investigated. Also, the effectiveness of base isolation in tank–submerged block systems is studied. The results of the parametric study imply that the laminated rubber bearings minimize the sloshing characteristics and thus improve the stability of the tank.
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Data Availability Statement
Some or all data, models, or code generated or used during the study are proprietary or confidential in nature and may only be provided with restrictions. The developed numerical code is confidential. Table captions, figure caption list, and figures are available.
Acknowledgments
The authors wish to thank NIT Rourkela for providing the laboratory facilities.
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© 2021 American Society of Civil Engineers.
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Received: Jan 30, 2021
Accepted: Aug 8, 2021
Published online: Sep 17, 2021
Published in print: Feb 1, 2022
Discussion open until: Feb 17, 2022
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Cited by
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