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海洋環境下における長尺鋼部材の腐食挙動の評価・予測に関する基礎的研究
http://hdl.handle.net/2237/18833
http://hdl.handle.net/2237/188334d3b2ba9-503c-455b-998e-63ff01010ab8
名前 / ファイル | ライセンス | アクション |
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A-139.pdf (2.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-11-07 | |||||
タイトル | ||||||
タイトル | 海洋環境下における長尺鋼部材の腐食挙動の評価・予測に関する基礎的研究 | |||||
言語 | ja | |||||
その他のタイトル | ||||||
その他のタイトル | FUNDAMENTAL STUDY ON EVALUATION FOR TIME-DEPENDENT CORROSION BEHAVIOR OF LONG STEEL MEMBERS IN MARINE ENVIRONMENT | |||||
言語 | en | |||||
著者 |
貝沼, 重信
× 貝沼, 重信× 細見, 直史× 後藤, 淳× 伊藤, 義人× KAINUMA, Shigenobu× HOSOMI, Naofumi× GOTO, Atsushi× ITOH, Yoshito |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | corrosion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | steel member | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | marine environment | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | regression tree | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | variogram | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | numerical simulation | |||||
抄録 | ||||||
内容記述 | 海洋環境下における鋼構造物を腐食損傷に対して適切に維持管理するためには,その部材の腐食挙動の経時性を明らかにする必要がある.そこで,本研究では19.5年間海洋暴露された長尺鋼アングル材の腐食表面を回帰樹分析することで,腐食表面性状に対する平均腐食深さと最大腐食深さの関係を明らかにした.また,鋼アングル材に対する腐食表面性状をバリオグラム分析することで,その空間統計量と平均腐食深さの関係を明らかにした.さらに,この統計量を用いて空間統計学的数値シミュレーションを行うことで,海洋環境における長尺鋼部材の経時腐食挙動の評価・予測手法を提案した. | |||||
言語 | ja | |||||
内容記述タイプ | Abstract | |||||
抄録 | ||||||
内容記述 | It is necessary to clarify time-dependent corrosion behavior of a steel member in marine environment in order to carry out the appropriate maintenace to corrosion damage. In this study, corroded surface of an angle specimen exposed for 19.5 years in marine enviorment were analyzed using regression tree to investigate the relationship between mean and maximum corrosion depth for corrosion regions with various characterisitics. In addition, variogram analyses were also carried out on the corroded surfaces to extract the spatial autocorrelation structures. Moreover, the corroded surfaces were numerically simulated using the autocorrelation structures. From these results, the evaluation method for the time-dependent corrosion depth of the long steel members was proposed. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | ja | |||||
出版者 | 土木学会 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.2208/jsceja.65.440 | |||||
ISSN | ||||||
収録物識別子タイプ | EISSN | |||||
収録物識別子 | 1880-6023 | |||||
書誌情報 |
ja : 土木学会論文集A 巻 65, 号 2, p. 440-453, 発行日 2009-05-20 |
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著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://dx.doi.org/10.2208/jsceja.65.440 | |||||
識別子タイプ | DOI | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/18833 | |||||
識別子タイプ | HDL |