1、BRITISH STANDARDBS EN 14650:2005Precast concrete products General rules for factory production control of metallic fibered concreteThe European Standard EN 14650:2005 has the status of a British StandardICS 91.100.30g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g
2、54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 14650:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 13 September 2005 BSI 13 September 2005ISBN 0 580 46165 3Natio
3、nal forewordThis British Standard is the official English language version of EN 14650:2005.The UK participation in its preparation was entrusted to Technical Committee B/524, Precast concrete products, which has the responsibility to:A list of organizations represented on this committee can be obta
4、ined on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of
5、 the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard does not of itself confer immunity from legal obligations. aid en
6、quirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis doc
7、ument comprises a front cover, an inside front cover, the EN title page, pages 2 to 6, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME
8、 EUROPENNEEUROPISCHE NORMEN 14650May 2005ICS 91.100.30English versionPrecast concrete products - General rules for factory productioncontrol of metallic fibered concreteProduits prfabriqus en bton - Rgles gnrales pour lecontrle de la production en usine de bton de fibresmtalliquesBetonfertigteile -
9、Allgemeine Regeln fr die werkseigeneProduktionskontrolle von Beton mit metallischen FasernThis European Standard was approved by CEN on 3 April 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of
10、 a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version
11、in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Fin
12、land, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NOR
13、MUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14650:2005: EEN 14650:2005 (E) 2ContentsPage Foreword 31 Scope .42 Normative references .43 Concrete production requireme
14、nts .43.1 General 43.2 Storage of materials43.3 Batching of constituent materials44 Factory production control 44.1 General 44.2 Equipment inspection.54.3 Materials inspection54.4 Production process inspection54.5 Finished product inspection 5Annex A (normative) Supplementary inspection schemes.6EN
15、14650:2005 (E) 3Foreword This European Standard (EN 14650:2005) has been prepared by Technical Committee CEN/TC 229 “Precast concrete products”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical t
16、ext or by endorsement, at the latest by November 2005, and conflicting national standards shall be withdrawn at the latest by November 2005. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standar
17、d: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 14650:2005 (E) 41 Scop
18、e 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
19、 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 references, only the edition cited applies. For undated references, the latest editi
20、on of the referenced document (including any amendments) applies. EN 206-1:2000, Concrete Part 1: Specification, performance, production and conformityEN 13369:2004, Common rules for precast concrete products.EN 14651, Test method for metallic fibered concrete Measuring the flexural tensile strength
21、 (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 E
22、N 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 m3or more. 4 Factory production control 4.1 General 6.3 of EN 13369:2004 applies. The switching
23、 rules given in Table D.5 of EN 13369:2004 also apply to the supplementary inspection schemes given in Table A.1. EN 14650:2005 (E) 54.2 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 Ma
24、terials 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 schem
25、e 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 (E) 6Annex A(normative)Supplementary inspection schemes Table A.1 Supplementa
26、ry inspection schemes SUBJECT METHOD PURPOSE FREQUENCY A.1 Equipment inspectiona1 Displacement measuring equipment Except as indicated in the test method, calibrating against equipment which has been calibrated to National Standards and is used exclusively for this purpose Correct functioning and ac
27、curacy - on (re)installation or after major repair; - once per year. A.2 Materials inspection 1Metallic fibresbVisual inspection Conformity with normal appearance Each delivery. A.3 Production process inspection 1 Fibre content of fresh concrete Testing according to prEN 14721 Conformity with the sp
28、ecified content As specified in the product standardc2 Concrete mix Visual check Correct mixing with correct steel fibre type and even fibre distribution without balling Daily for each batch A.4 Finished product inspection 1 Fibre content Testing according to prEN 14721 Conformity with the specified
29、 content As specified in the product standardc2 Flexural tensile strength Testing according to EN 14651 or any other appropriate EN if mentioned in the product standard Conformity with the specified value As specified in the product standardc, daNational regulations prevail if they require higher fr
30、equency. bMaterial shall be submitted to an assessment of conformity before delivery. cFailing a product standard, the frequency shall be as agreed between the customer and the manufacturer. dThe product standard may reduce the frequency and tighten the frequency for the inspection of fibre content
31、and compressive strength accordingly. blankBS EN 14650:2005BSI389 Chiswick High RoadLondonW4 4ALBSI British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is inco
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