Water Pressure on Dams Subjected to Earthquakes

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Abstract
A method is proposed to estimate the maximum hydrodynamic pressure in a two-dimensional reservoir subjected to horizontal earthquake motions. The method parallels the modal analysis ordinarily used for buildings. The hydrodynamic spectrum concept introduced herein results in curves that almost match the response spectra for sine, cosine, and El Centro 1940 ground motions, this suggests that ordinary damped spectra can be used for computing hydrodynamic water pressure.

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