6. New types of concrete made with admixtures
6.1 Self-compacting concrete
These concretes are highly fluid, homogeneous and stable. They can be placed in molds and forms without the use of vibration.
These new concretes were only possible with the advent of new-generation superplasticizers. These products greatly increase the workability of concrete, without the risk of segregation.
The benefits are numerous, both in terms of installation speed and the elimination of numerous surface defects, and concern all parties involved:
adopted in prefabrication plants, they eliminate noise pollution;
On site, they can be used to make self-levelling concrete for paving.
In the future,...
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New types of concrete made with admixtures
Dosage of additives
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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SYNAD (Additives Producers' Association)
CERIB (Research center for the concrete industry)
CIMbéton (information...
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