The ground-supported cylindrical tanks are used to store a variety of liquids. This paper provides the theoretical background for concrete containers fixed to rigid foundations due to earthquake events, describing of fluid hydrodynamic impulsive and convective (sloshing) effects on tank. Seismic responses: base shear, the bending moment and overturning moment are calculated by using the response spectra for Slovak republic risk region. As the examples is analysed the ground supported cylindrical concrete tanks for variable fluid filling.
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