BRI Research Paper


No.104

Digitized Earthquake Accelerograms observed at Toshima 5-chome Apartment House.

Working Group in Subcommittee of Earthquake Observation in and around Building; January, 1984. 344p.

Abstract

During recent years in our country, the construction technology,especially the aseismic design method of buildings, has been remarkably developed with the realization of the super high-rise building, as a turning point. This development owes the accumulation of many earthquake records, and the progresses in both static and dynamic analysis methods.

Above all, the research works of the effect of soil-structure interaction during an earthquake have been made by many investigators from theoretical and experimental stand points in this decade. Among them, the qualitative analyses were mainly done with the aid of computers, whereas there are very few research activities on the estimation of the aseismic properties of buildings by considering the interaction effect from the experiments and observations.

Moreover, most of the buildings in Japan are geologically located on the alluvial soil deposits. With the effective land utilization, buildings are being constructed on considerably soft soil deposits. These facts urge the necessity of the development of the estimation method of aseismic properties of buildings and piles considering the soil-structure interaction.

Present paper publishes the earthquake accelerograms observed in and around the dwelling house of Japan Housing Corporation at Toshima 5-chome in Tokyo in the forms of time histories and Fourier spectra.

This committee was established in Building Research Institute, in order to arrange the research materials on earthquake engineering, through i) the collection of earthquake records observed by seismometers in and on the ground, and ii) the mutual exchanges of these records. The members of the committee were listed in the following page.





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