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沖縄の鉄筋コンクリート構造物の耐久性-現況調査と考察その1-
http://hdl.handle.net/20.500.12000/26077
http://hdl.handle.net/20.500.12000/26077db1b56ee-2664-443a-8793-2ef632d14150
名前 / ファイル | ライセンス | アクション |
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NO7P019.pdf
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Item type | デフォルトアイテムタイプ(フル)(1) | |||||||||
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公開日 | 2013-05-15 | |||||||||
タイトル | ||||||||||
タイトル | 沖縄の鉄筋コンクリート構造物の耐久性-現況調査と考察その1- | |||||||||
言語 | ja | |||||||||
タイトル | ||||||||||
タイトル | Studies on Durability and Deterioration of Reinforced Concrete Structures in Okinawa -Investigation of Existing Structures,1- | |||||||||
言語 | en | |||||||||
作成者 |
具志, 幸昌
× 具志, 幸昌
× Gushi, Yukimasa
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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 | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | The auther has investigated about 150 reinforced Concrete bridges scattered throughout this island of Okinawa. Some of buildings are also examined. In that investigation corrosions of reinforcing bars and cracks in concretes were mainly searched for and the causes of such deterioration were examined. The followings are found to be apparent. 1.Deterioration of concrete structures in Okinawa Island including mainly crackings of concrete due to corrosion of reinforcing bars are so wide-spread and so serious, and the rate of deterioration here are considerably more rapid than in the other parts of Japan. 2.The most main cause of the deterioration and the corrosion is effects of sea water. 3.The influence of salt contained in sea sand which is so common used in Okinawa on the deterioration and the corrosion are not obvious,since the effects of sea water are so prominent. 4.Neuralization of alkalinity in concrete due to carbonation is not responsible for the deterioration of the main parts of the structures under consideration. 5.The low quality of concrete used and poor placing and curing practice of concrete are also a main cause of the deterioration of the above. 6.Some protective measures to prevent concrete struetures from deterioration and corrosion due to sea water action must be taken in emergent necessity. | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | 紀要論文 | |||||||||
出版者 | ||||||||||
言語 | ja | |||||||||
出版者 | 琉球大学理工学部 | |||||||||
出版者 | ||||||||||
言語 | en | |||||||||
出版者 | Science and Engineering Division, University of the Ryukyus | |||||||||
言語 | ||||||||||
言語 | jpn | |||||||||
資源タイプ | ||||||||||
資源タイプ | departmental bulletin paper | |||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||
出版タイプ | ||||||||||
出版タイプ | VoR | |||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||
識別子 | ||||||||||
識別子 | http://hdl.handle.net/20.500.12000/26077 | |||||||||
識別子タイプ | HDL | |||||||||
収録物識別子 | ||||||||||
収録物識別子タイプ | ISSN | |||||||||
収録物識別子 | 0387-429X | |||||||||
収録物識別子 | ||||||||||
収録物識別子タイプ | NCID | |||||||||
収録物識別子 | AN00250785 | |||||||||
収録物名 | ||||||||||
言語 | ja | |||||||||
収録物名 | 琉球大学理工学部紀要. 工学篇 | |||||||||
収録物名 | ||||||||||
言語 | en | |||||||||
収録物名 | Bulletin of Science & Engineering Division, University of the Ryukyus. Engineering | |||||||||
書誌情報 |
号 7, p. 19-61, 発行日 1974-03-01 |