Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE))
Online ISSN : 2185-4653
ISSN-L : 2185-4653
JSCE Journal of Earthquake Engineering, Vol.33 (Paper)
STRONG MOTION ESTIMATION ALONG ODAKI AND HIEDA VIADUCTS FOR THE 2003 SOUTHERN SANRIKU EARTHQUAKE BASED ON ASPERITY MODEL CONSIDERING EMPIRICAL SITE AMPLIFICATION AND PHASE EFFECTS
Yoshiya HATAYoshikazu TAKAHASHIMitsuyoshi AKIYAMAHiroyuki GOTOAtsushi NOZU
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2014 Volume 70 Issue 4 Pages I_560-I_577

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Abstract
 Serious damage occurred at RC rigid frame viaduct sites of Tohoku Shinkansen in Esashi Ward, Oshu City, during the 2003 Southern Sanriku Earthquake (MJ7.1). In order to analyze the damage mechanism, it is important to evaluate strong ground motions at the viaduct sites with high accuracy, taking into account site effects. In this study, temporary seismic observation with very high density was conducted along the viaduct sites. Moreover, seismic waveforms along the viaduct were estimated based on the asperity model considering empirical site amplification and phase effects. The estimated ground motions will be useful in the detailed study of the damage mechanism.
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© 2014 by Japan Society of Civil Engineers
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