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7. Dosage of additives
7.1 Dosage of use
Dosages vary widely. General indications are as follows:
plasticizers: 0.2 to 0.5% of cement weight per cubic metre of concrete;
superplasticizers: 0.5 to 3% ;
gas pedals: 0.5 to 3% ;
retardants: 0.15 to 2% ;
water repellents: 0.2 to 2% ;
air entrainers: 0.02 to 0.2%.
7.2 Introduction methods
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Dosage of additives
Importance of plasticizers and superplasticizers
Bibliography
Standards and norms
- Produits chimiques liquides à usage industriel. Détermination de la masse volumique à 20 °C - ISO 758:1976 - Novembre 1976
- Agents de surface. Détermination du pH des solutions aqueuses. Méthode potentiométrique - ISO 4316:1977 - Août 1977
- Plastics – Vinyl chloride homopolymers and copolymers – Chlorine dosing - NF EN ISO 1158 - Juillet 1998
- Utilisation du chlorure de calcium et des adjuvants contenant...
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Organizations – Federations – Associations (non-exhaustive list)
SYNAD (Additives Producers' Association)
CERIB (Research center for the concrete industry)
CIMbéton (information...
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