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PROCEEDINGS OF JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM
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Izumi SHINO, Tsuneo KATAYAMA
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A COMPARATIVE STUDY OF JAPANESE AND U.S STRONG MOTION PROPERTIES BY RESPONSE SPECTRA
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The properties of Japanese and U.S strong motions were compared based on the results of statistical analyses on absolute acceleration response spectra. Since the differences between the predicted spectra obtained from the Japanese and the U.S. data were found to vary according to earthquake magnitude, hypocentral distance, ground condition and the natural period of a single-degree-of-freedom system, it was difficult to make a simple generalized statement on the difference in the characteristics of the Japanese and the U.S. data base of strong motion accelerograms. However, the results of analyses indicated that the U.S. strong motions possess more longer-period components than the Japanese strong motions and that the U.S. waves attenuate more rapidly than the Japanese ones.
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