APPLICATION OF WATER LAYER MODEL TO FRESH PROPERTIES OF FLY ASH CONCRETE

DOI Web Site 18 References
  • KAJI Takashi
    株式会社四国総合研究所　土木技術部
  • ISHII Mitsuhiro
    四国電力株式会社　土木建築部
  • HASHIMOTO Chikanori
    徳島大学大学院　ソシオテクノサイエンス研究部　エコシステムデザイン部門
  • MIZUGUCHI Hiroyuki
    徳島大学大学院　ソシオテクノサイエンス研究部　エコシステムデザイン部門

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  • フライアッシュコンクリートのフレッシュ性状に関する水膜モデルの適用

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In the study for extending amount of effective use of fly ash, and taking measure of exhaustion of aggregate, the fresh properties of the concrete using high volume fly ash as a part of fine aggregate were examined. As a result of experiments, the influence of fly ash replacement as a part of fine aggregate on the mixture proportion or the fresh properties became clear. And, by applying water layer model to the experimental result, the relevance of unit water or bleeding capacity, and water layer thickness of particle surface was shown. Furthermore, in the case of concrete with same slump, it became clear that the water layer thickness became constant without depending on quality and quantity of fly ash.

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