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CENDRES VOLANTES [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2014-03-18

English

Subject field(s)
  • Combustion and Fuels (Fireplaces)
  • Pollutants
  • Concrete Preparation and Mixing
DEF

[The] finely divided residue resulting from the combustion of ground or powdered coal and ... a major by-product of coal-fired electric generating plants.

OBS

The use of this industrial by-product [fly ash] as a supplementary cementing material (SCM) to partially replace portland cement (the principal ingredient in concrete) produces concrete with a significantly lower CO2 signature compared with conventional cement concrete.

PHR

Conditioned PFA (concrete), dry PFA.

Key term(s)
  • pulverised-fuel ash

French

Domaine(s)
  • Combustion et combustibles (Foyers)
  • Agents de pollution
  • Fabrication du béton
DEF

cendres volantes : cendres pulvérulentes obtenues par dépoussiérage des fumées des centrales thermiques et capables de jouer un rôle analogue à celui du ciment, par exemple pour réaliser des chaussées routières.

OBS

L'utilisation de ce sous-produit industriel [les cendres volantes] comme ajout cimentaire (AC) en remplacement partiel du ciment Portland, principal ingrédient du béton, produit un béton à la signature CO2 beaucoup plus faible que celle du béton classique.

OBS

cendre volante : terme habituellement utilisé au pluriel.

Key term(s)
  • cendres volantes

Spanish

Campo(s) temático(s)
  • Combustión y combustibles (Hogares o chimeneas)
  • Agentes contaminantes
  • Fabricación del hormigón
DEF

Residuo finamente dividido que resulta de la combustión de carbón en polvo o molido, y que es transportado por flujo de gases.

Key term(s)
  • cenizas volátiles
  • cenizas volantes
Save record 1

Record 2 2006-07-07

English

Subject field(s)
  • Concrete Preparation and Mixing
CONT

Comparative field and laboratory testing is in progress to investigate the effectiveness of blends of high-calcium fly ash (ASTM Class C) and silica fume in controlling ASR [alkali-silica reaction].

OBS

Alkali-silica reaction ... is a common factor in reducing the service life of concrete structures.

French

Domaine(s)
  • Fabrication du béton
CONT

[Les chercheurs] effectuent des essais comparatifs sur le terrain et en laboratoire afin de déterminer si des mélanges composés de cendres volantes à haute teneur en calcium (catégorie C de l'ASTM) et de fumées de silice peuvent réduire la RSA [réaction silico-alcaline].

OBS

réaction silico-alcaline: synonyme de réaction alcalis-silice (ou réaction alcali-silice) (RAS).

OBS

cendre volante: terme habituellement utilisé au pluriel.

Key term(s)
  • cendres volantes

Spanish

Save record 2

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