cen:proj:79326

Concrete — Specification, performance, production and conformity — Part 3: Additional requirements for specification and conformity of concrete for special geotechnical works cen:proj:79326

Scope

This standard provides additional requirements for the constituents, specification and conformity control of concrete used in:
— bored piles constructed in accordance with EN 1536;
— diaphragm walls constructed in accordance with EN 1538;
— cast-in-place displacement piles constructed in accordance with EN 12699;
— micropiles constructed in accordance with EN 14199.
(2) The requirements provided in this standard have to be specified in accordance with EN 206-1:20XX 6.2 Specifications for
designed concrete.
(3) For the applications listed above, the specific provisions of this document shall prevail.
(4) For other applications in special geotechnical works this document may apply.
NOTE For special geotechnical works provisions on cement, minimum cement content, minimum fines content, maximum
water/cement ratio, target values of fresh concrete properties and maximum tolerances for target values can deviate from the
provisions for other works.
(5) For the use of this Standard the site conditions and the conditions for execution of special geotechnical works shall be considered
in the specification.
NOTE: Guidance for the specification of concrete used in special geotechnical works can be found in the informative Annex A.