BS EN 934-2:2009+A1:2012

This standard BS EN 934-2:2009+A1:2012 Admixtures for concrete, mortar and grout is classified in these ICS categories:

• 01.040.91 Construction materials and building (Vocabularies)
• 91.100.30 Concrete and concrete products

This European Standard specifies definitions and requirements for 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 standard 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 standard.