Abstract
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.
Highlights
Industrial facilities contain a large number of constructions and structural components
Ground-supported storage tanks are built for storing a variety of liquids, e.g. water for drinking and firefighting, petroleum, oil, liquefied natural gas, chemical fluids, chemical and radioactive fluid wastes
Seismic safely of liquid tanks is of considerable importance [1,2,3,4,5,6,7]
Summary
Industrial facilities contain a large number of constructions and structural components. Both building and non-building structures typically can be found in an industrial/chemical plant. Ground pressurised tanks are typical examples of non-building structures of such sites. Liquid storage containers are strategically very important structures, since they have vital uses in industries, nuclear power plants and are connected to public life. The seismic behaviour of liquid storage tanks is highly complex problem due to liquid-structure interaction [9, 13-19]. Rectangular tanks are used to store small capacity of fluid. For economy these thanks should square in plan and their height should half of the side. Rectangular tanks are uneconomical for large capacities [8, 10,11,12]
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