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JOURNAL OF STRUCTURAL MECHANICS AND EARTHQUAKE ENGINEERING
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Synthesis of strong motion accelerograms from small earthquake records by use of a scaling law of spectraD
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A method for synthesizing strong-motion accelerogam from small earthquake records is presented with aid of the faulting source model. It is derived by extending the spactra relation satisfied in a point source model to ones in the faulting source model. The important terms involved in the method, namely, the scaling law of source spectra and the number of sub-faults are obtained statistically from the past strong-motion accelerograms. The method is applied to several representative earthquakes occured in Japan, and it is shown that the synthesized accelerograms by the method agree relatively well with the observedones in the points of amplitude, duration and spectra characteristics.
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