EFFECTS OF LAYOUT OF TSUNAMI-DRIVEN OBJECTS ON THEIR MOTIONS
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- TOMITA Takashi
- 名古屋大学 大学院環境学研究科都市環境学専攻
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- TAGUCHI Seiya
- 株式会社十六銀行 大垣支店
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- NAKANISHI Shoichi
- 株式会社大林組 大阪本店阪急淡路工事事務所
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- CHIDA Yu
- 港湾空港技術研究所 津波高潮研究グループ
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- MIZUTANI Norimi
- 名古屋大学 大学院工学研究科土木工学専攻
Bibliographic Information
- Other Title
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- 津波漂流物群の初期配置がそれらの流動挙動に及ぼす影響に関する実験的研究
- ツナミ ヒョウリュウブツグン ノ ショキ ハイチ ガ ソレラ ノ リュウドウ キョドウ ニ オヨボス エイキョウ ニ カンスル ジッケンテキ ケンキュウ
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Abstract
<p> Tsunami-driven objects have potential to cause adverse effects on relief and recovery activities after tsunami disasters. In this study, model experiments were conducted to understand effects of initial layout of rectangular objects on their motion driven by a tsunami. In the case that the objects were closely layouted to each other at an interval of the object width, interaction between the objects was not negligible. An oblique object in a tsunami flow has a transverse component of motion, because the lift force on the object is induced by the tsunami flow. Increase of the arranged number of objects in the direction of a tsunami flow diminishes the motion of the gravitational center of a group of objects driven by the tsunami, because of interaction of objects with the flow.</p>
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 76 (2), I_307-I_312, 2020
Japan Society of Civil Engineers
