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The widening work behind the caissons is topped with scour prevention work and a revetment to provide scour resistance to the structure. But the stability of armour blocks on the widening works is not cleared. In this report, the physical experiments were conducted to make clear the mechanism of failure of armour blocks under overflow of tsunami, and to consider the estimation methodology of stability of armour blocks. The results indicated that the stability of blocks related with the porosity of blocks and was estimated by using Isbash 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Kenichiro"},{"@language":"ja","@value":"下迫 健一郎"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Port and Airport Research Institute"},{"@language":"ja","@value":"独立行政法人港湾空港技術研究所"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"18838944"},{"@type":"PISSN","@value":"18842399"},{"@type":"NDL_BIB_ID","@value":"000010520275"},{"@type":"ISSN","@value":"18842399"},{"@type":"LISSN","@value":"18838944"},{"@type":"NCID","@value":"AA12508551"}],"prism:publicationName":[{"@language":"en","@value":"Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)"},{"@language":"ja","@value":"土木学会論文集Ｂ２（海岸工学）"},{"@value":"土木学会論文集B2(海岸工学)"},{"@language":"en","@value":"Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)"},{"@language":"ja","@value":"海岸工学論文集"}],"dc:publisher":[{"@language":"en","@value":"Japan Society of Civil Engineers"},{"@language":"ja","@value":"公益社団法人 土木学会"}],"prism:publicationDate":"2014","prism:volume":"70","prism:number":"2","prism:startingPage":"I_941","prism:endingPage":"I_945"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/025933748"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I025933748"},{"@id":"https://www.jstage.jst.go.jp/article/kaigan/70/2/70_I_941/_pdf"}],"availableAt":"2014","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Breakwater","dc:title":"Breakwater"},{"@id":"https://cir.nii.ac.jp/all?q=Armour%20Blocks","dc:title":"Armour Blocks"},{"@id":"https://cir.nii.ac.jp/all?q=Hydraulic%20Model%20Experiment","dc:title":"Hydraulic Model Experiment"},{"@id":"https://cir.nii.ac.jp/all?q=Tsunami","dc:title":"Tsunami"},{"@id":"https://cir.nii.ac.jp/all?q=Overflow","dc:title":"Overflow"},{"@id":"https://cir.nii.ac.jp/all?q=%E9%98%B2%E6%B3%A2%E5%A0%A4","dc:title":"防波堤"},{"@id":"https://cir.nii.ac.jp/all?q=%E8%A2%AB%E8%A6%86%E3%83%96%E3%83%AD%E3%83%83%E3%82%AF","dc:title":"被覆ブロック"},{"@id":"https://cir.nii.ac.jp/all?q=%E6%B0%B4%E7%90%86%E6%A8%A1%E5%9E%8B%E5%AE%9F%E9%A8%93","dc:title":"水理模型実験"},{"@id":"https://cir.nii.ac.jp/all?q=%E6%B4%A5%E6%B3%A2","dc:title":"津波"},{"@id":"https://cir.nii.ac.jp/all?q=%E8%B6%8A%E6%B5%81","dc:title":"越流"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1390587528328735744","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"混成堤マウンド被覆材としての石かごの安定限界と被害率に関する基礎的検討"},{"@language":"en","@value":"STABILITY LIMITS AND DAMAGE RATES OF GABIONS AS ARMOR UNITS FOR COMPOSITE BREAKWATER MOUNDS"}]}],"dataSourceIdentifier":[{"@type":"JALC","@value":"oai:japanlinkcenter.org:1004133073"},{"@type":"NDL_SEARCH","@value":"oai:ndlsearch.ndl.go.jp:R000000004-I025933748"},{"@type":"CROSSREF","@value":"10.2208/kaigan.70.i_941"},{"@type":"CIA","@value":"130004707014"},{"@type":"CROSSREF","@value":"10.2208/jscejj.25-18086_references_DOI_L6BybjzPxDwKe75LIC6jVBlkFnc"}]}