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
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