Analysis of mechanism on water-reducing effect of fine ground slag, high-calcium fly ash, and low-calcium fly ash

The results showed the physical and chemical characteristic of the powders, such as their grain morphology, glass phase activities, densities, specific areas, and their grain cumulating conditions, can strongly affect their water-reducing effect

Wei Sun; Handong Yan; Binggen Zhan

2003

Scholarcy highlights

  • The addition of ultrafine powder to concrete can improve the fluidity of concrete, showing a water-reducing effect
  • The aim of this article was to analyze the water-reducing mechanism of UFP both experimentally and theoretically
  • The contrastive experiments were done to investigate the fluidity of mortars with 30%, 45%, 60%, and 75% equivalent cement replaced by fine ground slag, high-calcium fly ash, and low-calcium fly ash, respectively
  • The results showed the physical and chemical characteristic of the powders, such as their grain morphology, glass phase activities, densities, specific areas, and their grain cumulating conditions, can strongly affect their water-reducing effect

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