Stability of calcium-silicate-hydrate in the condition saturated highly saline water

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  • CHIDA Taiji
    Dept. of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University
  • FUNABASHI Taihei
    Dept. of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University
  • SAITO Yuta
    Dept. of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University
  • NIIBORI Yuichi
    Dept. of Quantum Science and Energy Engineering, Graduate School of Engineering, Tohoku University

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Other Title
  • 高塩濃度冠水環境におけるカルシウムシリケート水和物の安定性に関する研究
  • コウエン ノウド カンスイ カンキョウ ニ オケル カルシウムシリケート スイワブツ ノ アンテイセイ ニ カンスル ケンキュウ

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This study discussed the formation and stability of calcium-silicate-hydrate (C-S-H-gel) in the highly saline water. From the experimental results, the formation of C-S-H-gel was not affected by NaCl concentration with up to 600 mM. In addition, Raman spectrum analysis showed that the polymerization degree of silicate chain in the structure of C-S-H-gel was not remarkably affected by the concentration of NaCl. These mean that, even in the condition saturated with highly saline water, C-S-H-gel forms are stable.

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