BRI Research Paper


No.23

Normalized Acceleration Spectra for Earthquakes Recorded by Strong Motion Accelerographs and Their Characteristics Related with Sub-Soil Conditions.

T.Hisada, K.Nakagawa and M.Izumi; June, 1965. 37p.

Abstract

In this paper, normalized acceleration spectra based on about 30 strong motion accelerograms obtained in Japan are presented. It becomes clear that the spectra show different characteristics according to the sub-soil and foundation conditions.

Authors hope the obtained results may contribute to seismic analysis and earthquake resistant design of structures.


* Manuscript received on May 12, 1965.
** Research Member of B.R.I , Ministry of Construction





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