Concrete - Specification, performance, production and conformity - Part 2: Conformity assessment and certification
Tækninefnd:
CEN/TC 104
ICS flokkur:
91.100
Auglýst:
28.8.2024
Umfang (scope):
(1) This document specifies the scheme for the conformity assessment and assessment criteria for concrete.(2) The document provides technical rules for testing of samples and assessment of the performance of the concrete. It also provides rules for actions to be followed in the event of non-conformity of the product or negative assessment.(3) In this document, the word “concrete” is used to refer concrete as defined in prEN 206 1. Such a concrete is produced at a given plant and belongs to a particular type and a particular strength class, as defined and specified in prEN 206 1.
(1) This European Standard applies to concrete for structures cast in situ, precast structures, and structural precast products for buildings and civil engineering structures.(2) The concrete under this European Standard can be:- normal-weight, heavy-weight and light-weight;- mixed on site, ready-mixed or produced in a plant for precast concrete products;- compacted or self-compacting to retain no appreciable amount of entrapped air other than entrained air.(3) This standard specifies requirements for:- the constituents of concrete;- the properties of fresh and hardened concrete and their verification;- the limitations for concrete composition;- the specification of concrete;- the delivery of fresh concrete;- the production control procedures;- the conformity criteria and evaluation of conformity.(4) Other European Standards for specific products e.g. precast products or for processes within the field of the scope of this standard may require or permit deviati