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.
| Original language | English |
|---|---|
| Article number | 04021052 |
| Journal | Practice Periodical on Structural Design and Construction |
| Volume | 27 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 1 Feb 2022 |
| Externally published | Yes |
Keywords
- Frequency content
- Galerkin finite-element model
- Laminated rubber bearings
- Submerged block
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