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北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University >
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Title: 微地形区分データを用いた広域の液状化危険度予測について
Other Titles: A study of Liquefaction Potential in a Wide Area using an Engineering Geomorphologic Classification Database
Authors: 山本, 明夫1 Browse this author
小丸, 安史2 Browse this author
吉村, 昌宏3 Browse this author
山口, 亮4 Browse this author
Authors(alt): YAMAMOTO, Akio1
KOMARU, Yasushi2
YOSHIMURA, Masahiro3
Issue Date: 19-Mar-2010
Publisher: 北海道大学大学院理学研究院自然史科学部門(地球物理学)
Journal Title: 北海道大学地球物理学研究報告
Journal Title(alt): Geophysical bulletin of Hokkaido University
Volume: 73
Start Page: 37
End Page: 47
Abstract: A liquefaction potential map of a wide area is very useful for evaluating risk of liquefaction for the dwelling houses. In this study, the liquefaction potential map is developed by overlaying three maps including a PGV(Peak Ground Velocity)map, a liquefaction map from the past earthquakes and a land classification map. The damage ratio of the dwelling houses are evaluated as a production of three results which are the liquefaction susceptibility by the PGV at the ground surface and the ratio of liquefaction area in grid cells of 30 arc-seconds latitude ×45 arc-seconds longitude and the damage ratio of the dwelling houses in a liquefaction area from the past earthquakes. The prediction of this evaluation procedure shows a good agreement with the damage ratio of the dwelling houses for the 1987 Chiba-ken Toho-oki Earthquake.
Type: bulletin (article)
Appears in Collections:北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University > 第73号

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