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  1. D300 大学院環境学研究科
  2. D300a 雑誌掲載論文
  3. 学術雑誌

Time-dependent water vapor desorption isotherm model of hardened cement paste

http://hdl.handle.net/2237/0002002171
http://hdl.handle.net/2237/0002002171
403ea5eb-c68c-4f1a-aeb4-dd083cb0db5c
名前 / ファイル ライセンス アクション
Manuscript_MoisturePaper_Revised.pdf Manuscript_MoisturePaper_Revised.pdf (1.2 MB)
 Download is available from 2023/11/30.
Item type itemtype_ver1(1)
公開日 2022-03-09
タイトル
タイトル Time-dependent water vapor desorption isotherm model of hardened cement paste
言語 en
著者 Rymeš, Jiří

× Rymeš, Jiří

en Rymeš, Jiří

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Maruyama, Ippei

× Maruyama, Ippei

en Maruyama, Ippei

Search repository
Aili, Abudushalamu

× Aili, Abudushalamu

en Aili, Abudushalamu

Search repository
アクセス権
アクセス権 embargoed access
アクセス権URI http://purl.org/coar/access_right/c_f1cf
権利
言語 en
権利情報 © 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
キーワード
主題Scheme Other
主題 Calcium-silicate-hydrate (C-S-H)
キーワード
主題Scheme Other
主題 Microstructure
キーワード
主題Scheme Other
主題 Diffusion
キーワード
主題Scheme Other
主題 Long-term performance
キーワード
主題Scheme Other
主題 Modeling
内容記述
内容記述 This study aims to enhance moisture transport modeling by elucidating the so-called anomalous water diffusion in cementitious materials. Water desorption isotherms are measured from samples at various drying stages using techniques with different durations to quantify the impact of the drying duration on the water sorption ability. A single water sorption isotherm does not solely give a relationship between the water content and relative humidity but also represents the state of microstructure. The continuous evolution of a desorption isotherm due to drying-induced microstructural rearrangement is demonstrated. For numerical modeling, the microstructural alteration can be explicitly considered through a dynamic desorption isotherm model, which governs the local thermodynamic equilibrium at the capillary meniscus. This approach is implemented into a multiphase transport code, whose ability to predict drying is validated using literature data. Finally, the effect of prolonged drying on the colloidal nature of the calcium-silicate-hydrate gel is discussed.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Elsevier
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 AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.cemconres.2021.106612
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 0008-8846
書誌情報 en : Cement and Concrete Research

巻 150, p. 106612, 発行日 2021-12
ファイル公開日
日付 2023-12-01
日付タイプ Available
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