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Estimation of Ice Content in Mortar Based on Electrical Measurements under Freeze-Thaw Cycle

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タイトル: Estimation of Ice Content in Mortar Based on Electrical Measurements under Freeze-Thaw Cycle
著者: Wang, Yi 著作を一覧する
Gong, Fuyuan 著作を一覧する
Zhang, Dawei 著作を一覧する
Ueda, Tamon 著作を一覧する
発行日: 2016年 2月
出版者: Japan Concrete Institute
誌名: Journal of advanced concrete technology
巻: 14
号: 2
開始ページ: 35
終了ページ: 46
出版社 DOI: 10.3151/jact.14.35
抄録: Ice content is an essential factor that affects the internal pressure of cement-based materials during freeze-thaw cycles (FTCs). Since the electrical conductivity of mortar is closely related to its moisture content, it is possible to estimate the ice content based on electrical conductivity variation of mortar. As a result, the ice formation process during FTCs can be monitored. This paper proposed a model to estimate the ice content by applying electrical measurements and clarified the combined effects of temperature and moisture content for electrical conductivity of mortar. The ice content of mortar was estimated with the model by conducting the electrical test. The results are found in acceptable agreement with theoretical results from thermodynamic analysis, and the relationship between ice content and temperature is similar to existing calorimetric test results, which confirm the reliability of the model and the proposed test method.
資料タイプ: article
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 上田 多門


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