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Structural Engineering and Mechanics Volume 34, Number 5, March30 2010, pages 663-666 DOI: http://dx.doi.org/10.12989/sem.2010.34.5.663 |
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Further seismic displacement PSDF results |
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C.A. Morales
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| Abstract | ||
| The spectral content of ground displacement of the 10 largest last California earthquakes is studied. Specifically, the power spectral density function of the critical horizontal-component record of the closest-to-epicenter station is analyzed in each case. The results permit to state that horizontal ground displacement is a narrow-band process. This fact was previously noticed while trying to solve the largebase-displacement problem in isolated structures and it was fundamental in the solution of this issue; however, these preliminary results were limited in number to enable a statement like the foregoing one. Thus, the broader results presented herein were necessary. | ||
| Key Words | ||
| ground motion; displacement; spectral characterization; California earthquakes; base isolation. | ||
| Address | ||
| C.A. Morales: Departamento de Mecanica, Universidad Simon Bolivar, Apdo. 89000, Caracas 1080A, Venezuela | ||