23/30462724 DC

This standard 23/30462724 DC BS EN 934-7. Admixtures for concrete, mortar and grout is classified in these ICS categories:

• 91.100.30 Concrete and concrete products
• 91.100.10 Cement. Gypsum. Lime. Mortar
• 91.100.30 Concrete and concrete products

This document specifies definitions, characteristics and requirements for shrinkage reducing admixtures for use in concrete. It covers admixtures for plain, reinforced and prestressed concrete which are used in site mixed, ready mixed concrete and precast concrete. The performance requirements in this document apply to admixtures used in concrete of normal consistence. They may not be applicable to admixtures intended for other types of concrete such as semi dry and earth moist mixes. Provisions governing the practical application of admixtures in the production of concrete, i.e. requirements concerning composition, mixing, placing, curing etc. of concrete containing admixtures are not part of this document.