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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Recovery of Protective Performance of Cracked Ultra High Performance-Strain Hardening Cementitious Composites (UHP-SHCC) Due to Autogenous Healing

http://hdl.handle.net/2237/20959
http://hdl.handle.net/2237/20959
a5ec50ee-96b7-48c9-a7b5-dff923aa5b07
名前 / ファイル ライセンス アクション
10_313.pdf 10_313.pdf (2.4 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-12-10
タイトル
タイトル Recovery of Protective Performance of Cracked Ultra High Performance-Strain Hardening Cementitious Composites (UHP-SHCC) Due to Autogenous Healing
言語 en
著者 Kunieda, Minoru

× Kunieda, Minoru

WEKO 55065

en Kunieda, Minoru

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Choonghyun, Kang

× Choonghyun, Kang

WEKO 55066

en Choonghyun, Kang

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Ueda, Naoshi

× Ueda, Naoshi

WEKO 55067

en Ueda, Naoshi

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Nakamura, Hikaru

× Nakamura, Hikaru

WEKO 55068

en Nakamura, Hikaru

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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
抄録
内容記述 A new strain hardening cementitious composite with a dense matrix, Ultra High Performance-Strain Hardening Cementitious Composites (UHP-SHCC), has been developed. This material combines excellent protective performance with a significantly higher tensile strength and strain hardening at tensile strength. Further, the material has controlled fine cracks (less than 30 microns). A low water to binder ratio with silica fume that causes a pozzolanic reaction is used in UHP-SHCC. These characteristic may give advantages for autogenous healing after the cracking. This paper presents autogenous healing behavior of cracked UHP-SHCC, and discusses about recovery of protective performance through air and water permeability test results. It was confirmed that UHP-SHCC has potentially autogenous healing properties. The air permeability coefficient and water permeation were dramatically decreased by increasing of re-curing period. Re-curing in water was more effective than re-curing in air for recovery. The effect of induced damage level on recovery of the used indices was not significant, because crack width was controlled and was almost the same among all the cracks. The repeatability of autogenous healing (twice in this study) was confirmed.
言語 en
内容記述タイプ Abstract
出版者
言語 ja
出版者 日本コンクリート工学会
言語
言語 eng
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/10.3151/jact.10.313
ISSN
収録物識別子タイプ PISSN
収録物識別子 1347-3913
書誌情報 en : Journal of Advanced Concrete Technology

巻 10, 号 9, p. 313-322, 発行日 2012
著者版フラグ
値 publisher
URI
識別子 http://dx.doi.org/10.3151/jact.10.313
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/20959
識別子タイプ HDL
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