Parametric Study of Seismic Soil‐Tank Interaction. II: Vertical Excitation
Publication: Journal of Structural Engineering
Volume 118, Issue 3
Abstract
Analysis of the behavior of ground‐based tanks under vertical seismic excitations is quite relevant to their seismic‐resistant design as vertical acceleration is transmitted to a horizontal hydrodynamic loading on the tank wall. This effect results primarily in amplified hoop tensile stress and, coupled with the effect of horizontal excitations, may lead to inelastic buckling of the shell. However, to realistically consider the effect of vertical excitations in the design of tanks, one must consider the dynamic interaction of the tank and its content with foundation soil. A simplified analysis is used as the basis for a thorough parametric evaluation of the effects of numerous factors that influence the seismic response of an elastic tank supported on a rigid base (solid concrete slab) and subjected to a vertical excitation, taking into account shell‐liquid‐soil interaction. Results are presented in the form of design graphs that practicing engineers can use to estimate the seismic response of tanks under vertical excitations.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 118 • Issue 3 • March 1992
Pages: 798 - 811
Copyright
Copyright © 1992 ASCE.
History
Published online: Mar 1, 1992
Published in print: Mar 1992
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