AIJ Journal of Technology and Design
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
Structures
STUDY ON NATURAL FREQUENCY OF LIGHT-GAUGE STEEL HOUSE DAMAGED BY EARTHQUAKE
Sumito SAITO, Ken NISHIMURA, Tamaki MAEDA, Yasuhiro HAYASHI
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Keywords: Light-gauge steel house, Kumamoto earthquake, Microtremor measurement, Natural frequency
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2017 Volume 23 Issue 54 Pages 513-516

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Abstract
After 2016 Kumamoto Earthquake, we investigated 80 two-storied damaged houses of light-gauge steel structure by microtremor measurement and visual check. We analyzed the relationship of natural frequency of the houses by microtremor measurement and average displacement response spectrum (0.2 - 0.3 seconds) of construction area. As a result, natural frequency of the houses decrease as the displacement response spectrum increase.
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© 2017 Architectural Institute of Japan
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