BS EN 934-2 PDF

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. Multi-user access to over 3, medical device standards, regulations, expert commentaries and other documents.

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It replaces BS and BS , both of which are now withdrawn. Parts 1 and 6 are not a product standards but gives complementary information that is essential to the implementation of parts 2 to 5, to CE marking and to the provision of information to the customer.

New regulatory requirements for admixtures in concrete in contact with drinking water and on release of dangerous substances currently being drafted by the European Commission will eventually appear in EN part 1. BS EN parts 2 to 5 are harmonised European standards and products conforming to all the requirements and to the requirements of BS EN parts 1 and 6 have to be CE marked in order to be placed on the market in most EU countries.

Some admixtures are not covered by EN and further compliance information can be found on the next web page; Special purpose admixtures. Admixtures to EN BS EN is split into 6 parts: Part 1. Common requirements. Published Part 2. Concrete admixtures. Published , revised , with amendment A1 Part 3. Admixtures for mortar Published , revised , with amendment A1 Part 4.

Admixtures for grout Published , revised Part 5. Admixtures for sprayed concrete Published , revised Part 6. Sampling, conformity control, evaluation of conformity, marking and labelling. Published Parts 1 and 6 are not a product standards but gives complementary information that is essential to the implementation of parts 2 to 5, to CE marking and to the provision of information to the customer.

The CAA code of practice requires members to show conformity with EN and includes a requirement for Initial Type Testing Certificates showing compliance with the Requirements of the relevant part of EN Other admixtures: Some admixtures are not covered by EN and further compliance information can be found on the next web page; Special purpose admixtures.

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Admixtures to EN 934

Latest version of document. Covers admixtures for plain, reinforced and prestressed concrete which are used in site mixed, ready mixed concrete and precast concrete. Supersedes BS EN Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.

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BS EN 934-2

It replaces BS and BS , both of which are now withdrawn. Parts 1 and 6 are not a product standards but gives complementary information that is essential to the implementation of parts 2 to 5, to CE marking and to the provision of information to the customer. New regulatory requirements for admixtures in concrete in contact with drinking water and on release of dangerous substances currently being drafted by the European Commission will eventually appear in EN part 1. BS EN parts 2 to 5 are harmonised European standards and products conforming to all the requirements and to the requirements of BS EN parts 1 and 6 have to be CE marked in order to be placed on the market in most EU countries. Some admixtures are not covered by EN and further compliance information can be found on the next web page; Special purpose admixtures. Admixtures to EN BS EN is split into 6 parts: Part 1.

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BS EN 934-2:2009+A1:2012

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