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The response of cylindrical liquid storage tanks to earthquakes

Thomas A. Moore, Edward K. Wong

Proceedings of the 8th World Conference on Earthquake Engineering - Volume 5

239-246, 1984

It is not possible to evaluate the performance of tanks during earthquakes on the basis of statistical analysis alone because of incomplete ground motion data. Therefore, mathematical models of tank response need to be developed. The parameters defining the extent of the uplift of the tank base and the associated compression stresses in the tank walls are modified from those specified in the 1979 American Petroleum Institute (API) design code for unanchored tanks to correspond more closely with measurements from recent laboratory tests. The correlation between the seismic resistance predicted from the modified model and the observed incidence of damage to tanks is good.

San Francisco, California, USA

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