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  1. 紀要論文
  2. 琉球大学理工学部紀要 工学編
  3. 12号
  1. 部局別インデックス
  2. 工学部

宮古島の鉄筋コンクリート造校舎の耐久性調査

http://hdl.handle.net/20.500.12000/26656
http://hdl.handle.net/20.500.12000/26656
59d71f5c-d435-4783-8d95-57cd0d5ec1ce
名前 / ファイル ライセンス アクション
N12P009.pdf N12P009.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2013-06-28
タイトル
タイトル 宮古島の鉄筋コンクリート造校舎の耐久性調査
言語 ja
作成者 具志, 幸昌

× 具志, 幸昌

ja 具志, 幸昌

和仁屋, 晴讙

× 和仁屋, 晴讙

ja 和仁屋, 晴讙

伊良波, 繁雄

× 伊良波, 繁雄

ja 伊良波, 繁雄

Gushi, Yukimasa

× Gushi, Yukimasa

en Gushi, Yukimasa

Waniya, Haruyoshi

× Waniya, Haruyoshi

en Waniya, Haruyoshi

Iraha, Shigeo

× Iraha, Shigeo

en Iraha, Shigeo

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 This paper describes the results of the site investigation on durability and deterioration of the reinforced concrete school buildings in Miyako Island. In general, the school buildings are deteriorated in considerable degree due to corrosion of steel bars embeded in concrete. Such condition could be expected by the authers, who had issued a series of reports of investigations on durability of RC bridges in Okinawa Prefecture. The following conclusions are to be mentioned: 1. Approximately half of the school buildings show the indication of deterioration to some or considerable extent in beams and columns. 2. The majority of slabs in outdoor corriders, outdoor stairs, and laves built before 1965 are deteriorated seriouly, and even newly built ones are also deteriorated some. 3. Deterioration of the buildings built after 1965 are seen to be light. 4. RC handrails of outdoor stairs built before 1965 are deteriorated seriously, while ones after then show no deterioration. The reason for the latter is that the stairs are rather new and built indoors. 5. Average of salt contents from the test is to be the amount of 0.29 % of mortar weight, which is considerablly high value. 6. Carbonation of concrete is progressed to certain extent, the portions around reinforcing bars are considered to be carbonaed in older slabs. 7. With high salt contents and large carbonation depth, the reinforcing bars, where only small covering is observed, are potentially corroded. From the characteristics mentioned above, it would be reasonable to conclude that many school buildings are seriously damaged due to corrosion of reinforcing bars and the progress will be expected further in future. Therefore, the introduction of some protective measures seems urgent.
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
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/20.500.12000/26656
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
書誌情報
号 12, p. 9-53, 発行日 1976-09-28
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