EN 14650:2005 – Precast concrete products – General rules for factory production control of metallic fibered concrete
1 Scope
This document defines the general rules for factory production control of metallic fibered concrete.
This document does not specify the conformity control procedure for the finished metallic fibered concrete products, for which reference should be made to European product standards or, if none, to the technical specifications defined and agreed between the customer and the manufacturer.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated eferences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 206-1:2000, Concrete — Part 1: Specification, performance, production and conformity
EN 13369:2004, Common rules for precast concrete products.
EN 14651, Test method for metallic fibered concrete — Measuring the flexural tensile strength (limit of proportionality (LOP), residual).
prEN 14721, Precast concrete products – Test method for metallic fibre concrete — Measuring the fibre content in fresh and hardened concrete.
3 Concrete production requirements
3.1 General
4.2.1 of EN 13369:2004 applies.
3.2 Storage of materials
9.6.2.1 of EN 206-1:2000 applies.
3.3 Batching of constituent materials
9.7 of EN 206-1:2000 applies.
The tolerance of batching fibres shall not exceed ± 5 % of the required quantity for all quantities of concrete of 1 m 3 or more.
4 Factory production control
4.1 General
6.3 of EN 13369:2004 applies.
The switching rules given in Table D.5 of EN 13369:2004 also apply to the supplementary inspection schemes given in Table A.1.
4.2 Equipment inspection
The equipment inspection scheme given in Table D.1 of EN 13369:2004 shall be supplemented by the scheme given in part A.1 of Table A.1.
4.3 Materials inspection
The materials inspection scheme given in Table D.2 of EN 13369:2004 shall be supplemented by the scheme given in part A.2 of Table A.1.
4.4 Production process inspection
The production process inspection scheme given in Table D.3 of EN 13369:2004 shall be supplemented by the scheme given in part A.3 of Table A.1.
4.5 Finished product inspection
The finished product inspection scheme given in Table D.4 of EN 13369:2004 shall be supplemented by the scheme given in part A.4 of Table A.1.
EN 14650:2005 – Precast concrete products – General rules for factory production control of metallic fibered concrete