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BS 8443:2005

Current
Current

The latest, up-to-date edition.

Specification for establishing the suitability of special purpose concrete admixtures
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-20-2006

Committees responsible
Foreword
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
4 Requirements
5 Sampling
6 Conformity control
7 Evaluation of conformity
8 Marking and labelling
Annex A (normative) Determination of washout
Annex B (normative) Determination of the drying shrinkage of
                    concrete
Annex C (normative) Determination of segregation in concrete
Annex D (normative) Stability of foamed concrete

BS 8443 is intended to establish the suitability of seven categories of special purpose concrete admixtures that are in widespread use in the United Kingdom and that are not covered by BS EN 934-2.

This British standard specifies terms, definitions and requirements for special purpose admixtures in order to establish suitability for use in concrete conforming to BS EN 206-1.

The admixtures covered are listed as follows; they are intended for use in plain, reinforced, foamed, prestressed and semi-dry concrete as appropriate. The concrete can be site mixed, ready mixed or pre-cast:

  • underwater concrete admixtures;

  • shrinkage reducing admixtures;

  • corrosion inhibiting admixtures;

  • pumping aids;

  • segregation reducing admixtures;

  • foaming admixtures;

  • semi-dry concrete admixtures.

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 within the scope of this standard.

Committee
B/517/3
DevelopmentNote
Supersedes 05/30099595 DC. (02/2006) Reviewed and confirmed by BSI, December 2011. (11/2011)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

16/30315442 DC BS ISO 19596. Admixtures for concrete
14/30277336 DC : 0 BS 8605-1 - EXTERNAL TIMBER CLADDING - PART 1: METHOD OF SPECIFYING
BS 8605-1:2014 External timber cladding Method of specifying
ISO 19596:2017 Admixtures for concrete

BS EN 480-6:2005 Admixtures for concrete, mortar and grout. Test methods Infrared analysis
BS EN 12390-1:2012 Testing hardened concrete Shape, dimensions and other requirements for specimens and moulds
BS EN 480-1:2014 Admixtures for concrete, mortar and grout. Test methods Reference concrete and reference mortar for testing
BS EN 12350-6:2009 Testing fresh concrete Density
BS EN 480-8:2012 Admixtures for concrete, mortar and grout. Test methods Determination of the conventional dry material content
BS EN 12390-3:2009 Testing hardened concrete Compressive strength of test specimens
BS EN 934-6:2001 Admixtures for concrete, mortar and grout Sampling, conformity control and evaluation of conformity
BS EN 934-3 : 2009 ADMIXTURES FOR CONCRETE, MORTAR AND GROUT - PART 3: ADMIXTURES FOR MASONRY MORTAR - DEFINITIONS, REQUIREMENTS, CONFORMITY AND MARKING AND LABELLING
BS EN 206-1:2000 Concrete Specification, performance, production and conformity
BS EN 12620:2013 Aggregates for concrete
BS EN 480-12:2005 Admixtures for concrete, mortar and grout. Test methods Determination of the alkali content of admixtures
BS EN 480-2:2006 Admixtures for concrete, mortar and grout. Test methods Determination of setting time
BS EN 934-2 : 2009 ADMIXTURES FOR CONCRETE, MORTAR AND GROUT - PART 2: CONCRETE ADMIXTURES - DEFINITIONS, REQUIREMENTS, CONFORMITY, MARKING AND LABELLING
BS EN 12350-2:2000 Testing fresh concrete Slump test
ISO 4316:1977 Surface active agents Determination of pH of aqueous solutions Potentiometric method
BS EN 480-10:2009 Admixtures for concrete, mortar and grout. Test methods Determination of water soluble chloride content
ISO 649-2:1981 Laboratory glassware — Density hydrometers for general purposes — Part 2: Test methods and use
BS EN 12350-7:2009 Testing fresh concrete Air content. Pressure methods

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