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Notes on incompressible theory of hydrodynamic pressure on dams during earthquakes


, : Notes on incompressible theory of hydrodynamic pressure on dams during earthquakes. Korean Journal of Hydrosciences 9(Pages 1-6

Classical theory of hydrodynamic pressure on dams during earthquakes is revisited and examined with linear transient theory. Because the ground motion during earthquakes is not only transient but also consists of random horizontal and vertical motions, it is proper to treat hydrodynamic pressure on dams with transient theory for random, transient earthquake motions. The present study finds that surface waves are negligible and that the present theory agrees well with the classical theory if the ground motion is horizontal and harmonic with a high frequency.

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