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  1. 紀要論文
  2. 琉球大学工学部紀要
  3. 18号
  1. 部局別インデックス
  2. 工学部

コンクリート中の鉄筋の発錆実験 その5 -防錆剤添加量が多い場合(実験5) その1-

http://hdl.handle.net/20.500.12000/17707
http://hdl.handle.net/20.500.12000/17707
7cbab1a8-ac5d-47d4-9ec5-21b3401d421b
名前 / ファイル ライセンス アクション
No18p053.pdf No18p053.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2010-08-04
タイトル
タイトル コンクリート中の鉄筋の発錆実験 その5 -防錆剤添加量が多い場合(実験5) その1-
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 There has been said that the more salt in concrete needs the more dosage of inhibitors in concrete to prevent steels from corrosion. In Okinawa Prefectures, the reinforced concrete structures contain too much quantity of salt in their body concrete, and the serious damages of the structures due to steel corrosion have been prevailing overall the Prefecture. In this series of experiments, over-dosed corrosion inhibitor is contained in concrete to prevent steels from rusting. The experimental factors are salt content and dosage of inhibitor in concrete, and the levels of the former are 0.05, 0.15 and 0.75% of salt by weight of concrete and the levels of latter are two, three and four times as much as standard dosage of inhibitor which the makers specify. The experiments have been done in accordance with so-called "Experimental Design". The two-times-dosage of inhibitor is quite enough to inhibite the corrosion of steels in the concrete containing salt as much as 0.75% by weight. Three-and four-times-dosages are sufficient for preventing steels in the concrete containing as much as 0.15% salt from rusting. But the dosages couldn't inhibite the corrosion of steels in the concrete with 0.75% salt contained. This result seems to be quite strange, but it is concluded as in Experiments 1 that "when there are contained much salt (for instance, over 0.50% by weight of concrete in experiments 1), the more inhibitor exists, the more corrosion of steels results". Up to 9 month after embedding steels in concrete, an two-times-dosage of inhibitor seems to be quite enough for preventing steels in the concrete with 0.75% salt from rusting. The water cement ratio of 50 % may contribute to the above result.
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/20.500.12000/17707
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 0389-102X
収録物識別子タイプ NCID
収録物識別子 AN0025048X
収録物名
言語 ja
収録物名 琉球大学工学部紀要
書誌情報
号 18, p. 53-59
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