A Proposal of Evaluation Method for Concrete Admixture with the Principle of Total Differential

Nobuaki Otsuki, Makoto Hisada, Shigeyoshi Nagataki, Toshiro Kamada

研究成果: Article査読

抄録

Many kinds of approaches have been studied to produce high-performance concrete. Such concrete is required to have high-strength, durability, and flowability. In general, some kinds of chemical or mineral admixtures are used to attain these properties, but it is very difficult to obtain the mix proportions such as to get high-strength, durability and flowability at the same time. In the field work, however, it is unnecessary to satisfy all properties at the same time. In this paper, a method to decide a reasonable replacement ratio of mineral admixtures to produce highperformance concrete is proposed and investigated. This method is based on the principle of total diffrential. In this principle, the objective functions are compressive strength and/or flowability (slump or slump flow), and the independent variables are the replacement ratio of admixtures, water cement ratio, and/or water content. Furthermore, the applicability of this method is investigated for the case of silica fume concrete. It can be shown that this proposed method is very useful and has a great possibility of other application.

本文言語English
ページ(範囲)643-648
ページ数6
ジャーナルJournal of the Society of Materials Science, Japan
44
500
DOI
出版ステータスPublished - 1995
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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