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PROCEEDINGS OF THE JAPAN EARTHQUAKE ENGINEERING SYMPOSIUM
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Tokiharu OHTA, Yoshikazu KITAGAWA
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A STUDY ON THE DESIGN SPECTRA FOR BUILDING STRUCTURES
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The present paper describes the evaluation method of seismic design spectra for building structures. In these spectra, the earthquake magnitude M and hypocentral distance X have been considered. Deterministic and probablistic evaluation method have been used. Basic design spectra B(T) have been proposed on the top of the hard stratum of Vs ¡ 400 m/s. New design spectra of Level 2 and Level 1 ground motion were obtained. The maximum spectral amplitude of B(T) is 100 cm/s. The results can bee applied for seismic design of building structures in Kanto district.
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