Journal of Japan Association for Earthquake Engineering
Online ISSN : 1884-6246
ISSN-L : 1884-6246
Technical Papers
A Study of Input Motion in Buildings Using Wooden Panel Construction
—A Demonstration Experiment with a Housing Development in Machida, Tokyo on Land with Varying Elevation—
Hisamitsu KAJIKAWAYuka OKADARyotaro SHIRAI
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2021 Volume 21 Issue 2 Pages 2_109-2_129

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Abstract

We believed that in order to accurately evaluate the level of damage to buildings in a large earthquake, there was a need to understand the input motion of each building, so we developed a damage meter for residential buildings. This paper involves an experiment using these damage meters set up in an area of Machida, Tokyo, with sloping ground and a lot of wooden residential buildings close together, in order to test the input motion. Specifically, using the input motion indices of seismic intensity, peak acceleration, and input acceleration trajectory, we tested the effects of a building's elevation, its direction, and the surface ground. As a result, we found that even if buildings were right next to each other, the values and forms of seismic intensity, peak acceleration, and input acceleration trajectory were different for each building and each earthquake, and we discovered their characteristics.

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