STUDY ON APPLICATION TO MIXING WATER OF CALCIUM HYDROXIDE SOLUTION INJECTED BY CARBON DIOXIDE

DOI Web Site 2 References
  • SHINSUGI Masashi
    OBAYASHI CORPORATION, Technology Research Institute（4-640, Shimokiyoto, Kiyose-shi, Tokyo 204-8558, Japan）
  • SAKURAI Kuniaki
    OBAYASHI CORPORATION, Technology Research Institute（4-640, Shimokiyoto, Kiyose-shi, Tokyo 204-8558, Japan）
  • ISHIZEKI Yoshikazu
    OBAYASHI CORPORATION, Technology Research Institute（4-640, Shimokiyoto, Kiyose-shi, Tokyo 204-8558, Japan）
  • KAWAI Kenji
    HIROSHIMA UNIVERSITY, Graduate School of Advanced Science and Engineering, Civil and Environmental Engineering Program（1-4-1, Kagamiyama, Higashi-hiroshima-shi, Hiroshima 739-8527, Japan）

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Other Title
  • CO<sub>2</sub>を注入した水酸化カルシウム溶液の練混ぜ水としての適用に関する検討

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<p>A fundamental study was conducted on the amount of CO2 absorbed and various properties of cement paste using a calcium hydroxide solution injected by CO2 as the mixing water. As a result, the use of calcium hydroxide solution injected by CO2 as mixing water increased the amount of CO2 absorption. Also, it contributed to the compressive strength of the cement paste. One of the reasons for the increase in the compressive strength of the cement paste might be that the changes in the type and amount of calcium aluminate hydrates made the microstructure of the cement paste denser and decreased its porosity.</p>

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