Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
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Investigation on sloshing response of water rectangular tanks under horizontal and vertical near fault seismic excitations
Abstract In this study, sloshing response of liquid is investigated in partially filled rectangular tanks subjected to earthquake ground motions. To verify the numerical modeling, shaking-table tests were carried out in sub-scale tanks for different excitation amplitudes, frequencies and fill water levels. Using the calibrated models, nonlinear numerical simulations were performed for practical tanks under different horizontal and vertical near fault excitations. The results express that the liquid pressure induced on tank under vertical seismic loading can be increased especially in near-field earthquakes, however, its effect on sloshing wave height is negligible. Also the results for different tanks under both horizontal and vertical earthquakes show that free surface vertical displacement depends on the spectral response acceleration at the first fundamental period of sloshing behavior. Moreover, the induced pressure is strongly influenced by the earthquake peak ground acceleration and also by the spectrum response acceleration at the first sloshing mode.
Highlights Experimental tests in sub-scale tanks for different excitations and fill water level. The effect of vertical seismic loading on sloshing wave height is negligible. PGA and spectrum acceleration at first sloshing mode influence on walls pressure. Spectral acceleration of first sloshing mode affects vertical displacement of wave.
Investigation on sloshing response of water rectangular tanks under horizontal and vertical near fault seismic excitations
Abstract In this study, sloshing response of liquid is investigated in partially filled rectangular tanks subjected to earthquake ground motions. To verify the numerical modeling, shaking-table tests were carried out in sub-scale tanks for different excitation amplitudes, frequencies and fill water levels. Using the calibrated models, nonlinear numerical simulations were performed for practical tanks under different horizontal and vertical near fault excitations. The results express that the liquid pressure induced on tank under vertical seismic loading can be increased especially in near-field earthquakes, however, its effect on sloshing wave height is negligible. Also the results for different tanks under both horizontal and vertical earthquakes show that free surface vertical displacement depends on the spectral response acceleration at the first fundamental period of sloshing behavior. Moreover, the induced pressure is strongly influenced by the earthquake peak ground acceleration and also by the spectrum response acceleration at the first sloshing mode.
Highlights Experimental tests in sub-scale tanks for different excitations and fill water level. The effect of vertical seismic loading on sloshing wave height is negligible. PGA and spectrum acceleration at first sloshing mode influence on walls pressure. Spectral acceleration of first sloshing mode affects vertical displacement of wave.
Investigation on sloshing response of water rectangular tanks under horizontal and vertical near fault seismic excitations
Akhavan Hejazi, Fatemeh Sadat (Autor:in) / Khan Mohammadi, Mohammad (Autor:in)
Soil Dynamics and Earthquake Engineering ; 116 ; 637-653
14.10.2018
17 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
| British Library Online Contents | 2019
| British Library Online Contents | 2019
| British Library Online Contents | 2019
Sloshing Response of Water Tanks Under Seismic Excitation
| Springer Verlag | 2021
Sloshing Response of Water Tanks Under Seismic Excitation
| TIBKAT | 2022