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Temperature influence on water transport in hardened cement pastes
Affiliation:1. CEA, DEN, DPC, SECR, Laboratoire d''Etude du Comportement des Bétons et des Argiles, F-91191 Gif sur Yvette Cedex, France;2. Université Paris-Est, IFSTTAR, Département Matériaux & Structures, 14-52 boulevard Newton, F-77447 Marne la Vallée cedex 2, France;1. Department of Chemistry, University of Aberdeen, Meston Walk, AB24 3UE Aberdeen, United Kingdom;2. Eduardo Torroja Institute for Construction Science, CSIC, Serrano Galvache 4, 28033 Madrid, Spain;1. Graduate School of Environmental Studies, Nagoya University ES Building, No. 546, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan;2. Doctoral student, Graduate School of Environmental Studies, Nagoya University ES Building, No. 539, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan;3. Master’s course student, Graduate School of Environmental Studies, Nagoya University ES Building, No. 539, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan;1. Université Paris-Est, IFSTTAR, MAT, F-75732 Paris, France;2. Université Paris-Est, Laboratoire Navier, Ecole des Ponts ParisTech, IFSTTAR, CNRS, F-77455 Marne-la-Vallée, France;1. Graduate School of Environmental Studies, Nagoya University, ES Building, No. 546, Furo-cho, Chikusa-ku, Nagoya 464–8603, Japan;2. Graduate School of Environmental Studies, Nagoya University, ES Building, No. 539, Furo-cho, Chikusa-ku, Nagoya 464–8603, Japan;3. Products & Marketing Development Dept. Asahi-KASEI Construction Materials Corporation, 106 Someya, Sakai-machi, Sashima-gun, Ibaraki, 306–0493, Japan
Abstract:Describing water transport in concrete is an important issue for the durability assessment of radioactive waste management reinforced concrete structures. Due to the waste thermal output such structures would be submitted to moderate temperatures (up to 80 °C). We have then studied the influence of temperature on water transport within hardened cement pastes of four different formulations. Using a simplified approach (describing only the permeation of liquid water) we characterized the properties needed to describe water transport (up to 80 °C) using dedicated experiments. For each hardened cement paste the results are presented and discussed.
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