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銀圧入法と画像解析法により求めたセメントペーストの毛細管空隙構造の相関性
http://hdl.handle.net/2297/47030
http://hdl.handle.net/2297/4703072d838da-4c9b-4254-b108-dce9a29f14fe
名前 / ファイル | ライセンス | アクション |
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TE-PR-IGARASHI-S-183.pdf (1.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | 銀圧入法と画像解析法により求めたセメントペーストの毛細管空隙構造の相関性 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Comparison of Capillary Pore Structures Evaluated by Mercury Intrusion Porosimetry and Image Analysis for Cement Pastes | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
五十嵐, 心一
× 五十嵐, 心一× 西川, 友梨 |
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書誌情報 |
コンクリート工学論文集 = Concrete Research and Technology 巻 24, 号 3, p. 183-191, 発行日 2013-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1340-4733 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN1053282X | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.3151/crt.24.183 | |||||
出版者 | ||||||
出版者 | 日本コンクリート工学会 = Japan Concrete Institute | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 測定原理および測定空隙径が大きく異なる水銀圧入法と画像解析法によって評価されるセメントペーストの空隙構造の特徴の対応性を検討した。パーコレーションしきい値と有効空隙率を水銀圧入曲線から決定し,Katz-Thompson式の各因子と画像解析法により求めた粗大毛細管空隙率の相関性を明らかにした。粗大毛細管空隙率は有効空隙率と正の相関を有し,特に有効空隙率をしきい空隙径から定めると,相関性はより明確となった。また,粗大毛細管空隙率だけで系のパーコレーションしきい値を上回るようになると,伝導経路となる空隙の連続性は大きく変化する。これらは粗大毛細管空隙が連続経路の主枝であり,系の伝導性を代表することを示していると考えられる。 Capillary pore structures evaluated by mercury intrusion porosimetry for cement pastes were compared with ones characterized by SEM image analysis. Characteristic values defined in the Katz-Thompson equation were related to coarse capillary porosity of the image analysis. If a sample-spanning path of pores is formed using only the clusters of coarse pores, the formation factor increases with the coarse capillary porosity. Taking account of little changes in the formation factor below a certain coarse porosity, which is almost the same as a threshold value in the percolation theory, the coarse pores detected in the image analysis play the role of the backbone or pivotal paths to determine the entire conductance of cement paste. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Ex post facto report | |||||
権利 | ||||||
権利情報 | Copyright © Japan Concrete Institute 日本コンクリート工学会 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jci-net.or.jp/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/crt/-char/ja/ |