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FROM: W. Wunderlich, C. Seiler, J. Schwarz and J. Habenberger, “Seismic response and failure mechanism of flexible supported liquid storage tanks”, 12WCEE2000
ABSTRACT: This paper deals with the dynamic behavior of flexibly supported liquid-filled storage tanks under earthquake excitation. A simplified mechanical model is proposed to simulate the characteristics of the surrounding soil with its energy absorbing properties. In addition, a quasistatic approach is presented to analyse certain types of instability phenomena. Some examples which are verified by more detailed investigations in the time domain give insight into the particular dynamic behavior of these tanks. The results are also compared to those obtained by the current design procedure provided in the current draft of EC8, part 4.
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