CEN/TC 104/SC 3 - Admixtures for concrete

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 might 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.

This document specifies a method for identifying an admixture by infrared analysis (IR).

This document specifies the constituent materials, the composition and the mix procedure to produce a reference concrete with a prescribed consistency and segregated portion for testing viscosity modifying admixtures as defined in EN 934-2. It also describes how to determine the requirements for the test mix in comparison with the control mix.

This document specifies the constituent materials, the composition and the mixing method to produce reference concrete and reference mortar for testing the efficacy and the compatibility of admixtures in accordance with the EN 934 series.

This document specifies the procedures for sampling and for the assessment and verification of the constancy of performance (AVCP) for admixtures covered by the series EN 934.

This European Standard specifies the constituent materials, the composition and the mixing procedure to produce a reference masonry mortar with a prescribed consistence for testing mortar admixtures as defined in EN 934-3. It also describes the determination of the water reduction of the test mix compared to the control mix.

This European Standard defines and specifies the requirements and conformity criteria for admixtures for use in cement based masonry mortar.
It covers two types of admixtures, long term retarding and air entraining/plasticising which are used in ready-mixed and site made masonry mortars.
Provisions for the use of admixtures for masonry mortar are not part of this European Standard but are covered by EN 998-1 and EN 998-2.

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.

This European Standard describes a method for determining the conventional dry material content of an admixture.

This European Standard defines and specifies requirements and conformity for admixtures specifically intended for use in sprayed concrete.
The types of admixtures covered are:
   set accelerating and non-alkaline set accelerating admixtures;
   consistence control admixtures;
   bond improving admixtures.
Provisions governing the practical application of these admixtures in the production of sprayed concrete are not part of this European Standard.

This draft European Standard describes methods for determining water soluble halogens (except fluorides) in admixtures.
The total water soluble halogen content is expressed as the chloride content.

This European Standard defines and specifies requirements and conformity criteria for admixtures for the use in grouts for prestressing tendons according to EN 447. It covers admixtures for use in site ) mixed grout only.
Provisions for the use of grout admixtures are not part of this standard but are covered by EN 447.

This European Standard specifies the common requirements for all admixtures covered by EN 934-2, EN 934-3, EN 934-4 and EN 934-5, which contain the specific requirements for each type of admixture.
The requirements for corrosion behaviour are not applicable to chloride based admixtures.

This European Standard defines:
A test method for determining the influence of an admixture on the corrosion of a steel bar embedded in a mortar sample held at an increased potential in an electrochemical cell. The method can be used to determine the harmlessness of admixtures with regard to corrosion of reinforcing but not stressed steel. It applies to all admixtures for concrete, mortar and grout in contact with reinforcing steel.
NOTE 1   This test method does not apply to assessing corrosion behaviour of admixtures when used with high tensile steel.
NOTE 2   This test method does not assess the efficacy of admixtures defined as corrosion inhibitors.
NOTE 3   The quantity of chloride ion present in admixtures is covered by a separate requirement in the relevant parts of the EN 934 series.

This Technical Specification describes a procedure for determining the ability of a curing compound to prevent the evaporation of water from young concrete when applied immediately after the bleed water has evaporated.
NOTE   The procedure involves application to a horizontal surface; it may not be applicable for use on vertical or sloping surfaces.

This European Standard describes a method for determining setting time of mortar with and without admixtures. It is an adaptation of the setting time test described in EN 196 3.
This European Standard describes the reference method; it allows the use of alternative apparatus as indicated in notes provided that they do not affect the results

This European Standard describes a method to determine the relative quantity of mixing water that will bleed from a sample of freshly mixed concrete. This method applies to concrete mixes with aggregates having a maximum size up to 50 mm.

This European Draft Standard specifies a method for the determination of the alkali (sodium and  potassium) content of admixtures for concrete, mortar and grouts in accordance with the series EN 934.

This European Standard describes a test method for determination of the air- void structure in a hardened concrete sample which contains entrained air. The air-void structure is described by means of the following parameters, which are defined in clause 3.  i) Total air content, ii) Specific surface of air void system, iii) Spacing factor, iv) Air-void size distribution, v) Micro air content.

This European Standard describes a test method for the determination of the effect of admixtures on the capillary absorption of mortar.

This document specifies the constituent materials, the composition and the mix procedure to produce a reference concrete with a prescribed consistency and segregated portion for testing viscosity modifying admixtures as defined in EN 934-2. It also describes how to determine the requirements for the test mix in comparison with the control mix.

This European Standard specifies the constituent materials, the composition and the mixing method to produce reference concrete and reference mortar for testing the efficacy and the compatibility of admixtures in accordance with the series EN 934.

This European Standard defines and specifies the requirements and conformity criteria for admixtures for use in cement based masonry mortar.
It covers two types of admixtures, long term retarding and air entraining/plasticising which are used in ready-mixed and site made masonry mortars.
Provisions for the use of admixtures for masonry mortar are not part of this European Standard but are covered by EN 998-1 and EN 998-2.

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.

This standard specifies the constituent materials, the composition and the mixing procedure to produce a reference masonry mortar with a prescribed consistence for testing mortar admixtures as defined in EN 934-3. It also describes the determination of the water reduction of the test mix compared to the control mix.

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.

This European Standard describes a method for identifying an admixture by infrared analysis (IR).

This European Standard specifies the constituent materials, the composition and the mixing method to produce reference concrete and reference mortar for testing the efficacy and the compatibility of admixtures in accordance with the series EN 934.

This European Standard specifies the constituent materials, the composition and the mix procedure to produce a reference concrete with a prescribed consistency and segregated portion for testing viscosity modifying admixtures as defined in EN 934-2. It also describes how to determine the requirements for the test mix in comparison with the control mix.

This European Standard specifies procedures for sampling, conformity control and evaluation of conformity,  for
admixtures according to the series EN 934.

This European Standard specifies procedures for sampling, conformity control and evaluation of conformity,  for
admixtures according to the series EN 934.

This standard specifies the constituent materials, the composition and the mixing procedure to produce a reference masonry mortar with a prescribed consistence for testing mortar admixtures as defined in EN 934-3. It also describes the determination of the water reduction of the test mix compared to the control mix.

This European Standard specifies the constituent materials, the composition and the mixing method to produce reference concrete and reference mortar for testing the efficacy and the compatibility of admixtures in accordance with the series EN 934.

This European Standard defines and specifies the requirements and conformity criteria for admixtures for use in cement based masonry mortar.
It covers two types of admixtures, long term retarding and air entraining/plasticising which are used in ready-mixed and site made masonry mortars.
Provisions for the use of admixtures for masonry mortar are not part of this European Standard but are covered by EN 998-1 and EN 998-2.

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.

This European Standard describes a method for determining the conventional dry material content of an admixture.

This standard specifies the constituent materials, the composition and the mixing procedure to produce a reference masonry mortar with a prescribed consistence for testing mortar admixtures as defined in EN 934-3. It also describes the determination of the water reduction of the test mix compared to the control mix.

This European Standard specifies the constituent materials, the composition and the mixing method to produce reference concrete and reference mortar for testing the efficacy and the compatibility of admixtures in accordance with the series EN 934.

This Standard specifies the constituent materials, the composition and the mixing procedure to produce a reference masonry mortar with standard consistence for testing mortar admixtures as defined in EN 934-3. It also describes the determination of the water reduction of the test mix compared to the control mix.

TC - Modifications in ZA.2.1

This Draft European standard defines and specifies the requirements and conformity criteria for admixtures for use in mortar. It covers two types of admixtures for masonry mortars which are used in ready-mixed mortar and site-made mortar 1). The suitability of concrete admixtures, complying with EN 934-2, in mortar is also covered. Provisions for the use of mortar admixtures are not part of this standard but are covered by prEN 998-2.

This European Standard describes methods for determinating water soluble halogens (except fluorides) in admixtures. The total water soluble halogen content is expressed as the chloride content.

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.

This European Standard defines and specifies requirements and conformity criteria for admixtures for the use in
grouts for prestressing tendons according to EN 447. It covers admixtures for use in site*) mixed grout only.
Provisions for the use of grout admixtures are not part of this standard but are covered by EN 447.
*) For this standard site includes precast concrete factories.

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.

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.

This European Standard defines and specifies requirements and conformity criteria for admixtures for the use in
grouts for prestressing tendons according to EN 447. It covers admixtures for use in site*) mixed grout only.
Provisions for the use of grout admixtures are not part of this standard but are covered by EN 447.
*) For this standard site includes precast concrete factories.

This standard specifies the constituent materials, the composition and the mixing procedure to produce reference concrete and reference mortar for testing the efficacy and the compatibility of admixtures in accordance with prEN 934-2.

This European Standard describes a method for determining setting time of mortar with and without admixtures. It is an adaptation of the setting time test described in EN 196-3. This standard describes the reference method; it allows the use of alternative apparatus as indicated in notes provided that they do not effect the results.

This European Standard describes a method to determine the relative quantity of mixing water that will bleed from a sample of freshly mixed concrete. This method applies to concrete mixes with aggregates having a maximum size up to 50 mm.