EFFECT OF SIZE DISTRJBUTION OF POWDERS ON YIELD VALUE AND VISCOSITY OF MORTAR

  • FUJIWARA H
  • NAGATAKI S
  • DOZONO A
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Abstract

This paper clarifies the relationship between size distribution of powders and rheological properties (yield value and viscosity) of mortar, which directly affect the properties of high fluidity concrete. The results of this study show that yield value of mortar is influenced by the n-value of the Rosin-Rammler equation, which is the main factor of excess water volume in mortar, and that viscosity of mortar is influenced by the Blaine surface area, which results from the effect obtained by combining absorption of superplasticizer and thickness of water film~

Author-supplied keywords

  • adsorption
  • fluidity
  • fmeness
  • viscosity

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Authors

  • Hiromi FUJIWARA

  • Shigeyoshi NAGATAKI

  • Akito DOZONO

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