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  1. 紀要論文
  2. 琉球大学理工学部紀要 工学編
  3. 14号
  1. 部局別インデックス
  2. 工学部

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4-

http://hdl.handle.net/20.500.12000/26894
http://hdl.handle.net/20.500.12000/26894
035fe448-8e1f-4fbc-bdf1-6fa1d75aceb0
名前 / ファイル ライセンス アクション
No14P031.pdf No14P031.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2013-07-17
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4-
言語 ja
作成者 和仁屋, 晴讙

× 和仁屋, 晴讙

ja 和仁屋, 晴讙

具志, 幸昌

× 具志, 幸昌

ja 具志, 幸昌

伊良波, 繁雄

× 伊良波, 繁雄

ja 伊良波, 繁雄

Waniya, Haruyoshi

× Waniya, Haruyoshi

en Waniya, Haruyoshi

Gushi, Yukimasa

× Gushi, Yukimasa

en Gushi, Yukimasa

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 In this report of investigation, there described the states of the damages and deteriorations of School buildings of Tsuha Primary School (Nakagusuku-Mura) and Aguni Primary and Secondary School (Aguni-Jima). The Investigation was done from the view point of durability of reinforced concrete structures, i. e., damages and deteriorations of concrete caused by corrosion of reinforcing bars embeded in concrete. The following items are clarified. 1. The oldest school building in Tsuha Primary school built in 1929 are deteriorated seriously. The main cause of the deterioration is the carbonation of concrete over the region of reinforcing bars. The salt content of concrete samples taken from the building is small and 0.05% on the average. 2. In Tsuha Primary School all of the buildings built before 1965 are damaged due to corrosion of reinforcing bars in girders or/and columns. 3. The eaves of all of the Tsuha Primary School buildings built before 1965 are damaged seriously or in some degree. The main cause of the damages are salt contained in concrete of the school buildings. Low quality of concrete used and poor practice of placing reinforcing bars are also responsible for the above. 4. The School buildings of Aguni School are not so damaged and deteriorated as we expected. Only two buildings among 13 are damaged in giders and columns. 5. The eaves and outside slabs are damaged seriouly in 5 buildings in Aguni school, all of which are built before 1965. 6. The handrails of the outside stairs in both schools are damaged seriously and it is dangerous to use them. 7. The independent columns of outside corriders in both schools are deteriorated, while other main structural elements are still sound. This phenomenon is observed in other part of Okinawa Prefecture, too.
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/20.500.12000/26894
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 14, p. 31-53
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