Abstract
Liquid storage tanks are important components of liquid transmission and distribution systems and therefore should be properly designed to withstand various loadings. One of which is seismic excitation. The paper deals with the seismic analysis of the flexible circular vertical ground-supported liquid storage tank with the aim to determine the dynamic properties (e.g. natural frequencies and their respective mode shapes of the tank and the liquid) and the seismic characteristics (e.g. hydrodynamic pressure distribution, base shear, overturning moment and maximum wave height). During seismic activity, a specific interaction occurs between the tank and the liquid. It is expressed as a vibration of the tank and contained liquid. One (lower) part of liquid moves in unison with the structure, the second (upper) part representing the free surface tends to experience a sloshing effect. The paper is also dedicated to comparing the acquired results from the seismic analysis computed by FE method (ANSYS) with methods using analytical models (spring-mass and pendulum) and Eurocode 8, respectively.
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Acknowledgments
The paper was supported by the grant from Grant Agency of VEGA no. 1/0742/15 entitled “Analysis for seismic resistance of liquid storage tanks with nonlinear and time-dependent parameters”.
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Sivý, M., Musil, M. (2017). Procedure for Seismic Analysis of Liquid Storage Tanks Using FEM Approach and Analytical Models. In: Beran, J., Bílek, M., Žabka, P. (eds) Advances in Mechanism Design II. Mechanisms and Machine Science, vol 44. Springer, Cham. https://doi.org/10.1007/978-3-319-44087-3_28
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DOI: https://doi.org/10.1007/978-3-319-44087-3_28
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Online ISBN: 978-3-319-44087-3
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