Abstract

This paper is concerned with ground-supported cylindrical storage tanks vibrating in an axisymmetric manner. A study has been made of the significance of horizontal excitations on the dynamic pressure distributions associated with the sloshing and bulging modes. These pressures have been calculated by using a previously obtained functional. Steel, aluminium and concrete tanks are included to study the effect of these typical tank materials. Only linear, elastic behaviour of the tank materials has been considered. The principal conclusions of the study are that reinforced concrete tanks are more susceptible to higher dynamic pressures than steel or aluminium tanks, and that the maximum dynamic pressure developed in partially filled tanks may be more critical than those for the same tank at maximum capacity.

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