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FUMEES SILICE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2006-10-24

English

Subject field(s)
  • Concrete Preparation and Mixing
DEF

A waste by-product of the production of silicon and silicon alloys.

CONT

The use of small quantities (for example, 5%) of silica fume in combination with [high-calcium fly ashes] in ternary systems significantly improved their effectiveness in reducing ASR [alkali-silica reaction] expansion [in concrete].

French

Domaine(s)
  • Fabrication du béton
DEF

Fines particules sphériques à très haute teneur en silice amorphe (plus de 85% de la masse), provenant de la réduction du quartz dans des fours électriques pour la production de silicium ou de ferro-silicium.

CONT

L'ajout [aux cendres volantes à forte teneur en calcium] de petites quantités (par exemple, 5 %) de fumées de silice, dans des systèmes ternaires, améliore de beaucoup la capacité des cendres de diminuer l'expansion [du béton] causée par la RSA [réaction silico-alcaline].

Spanish

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