BS-EN-12620-2002--A1-2008.pdf
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1、BRITISH STANDARD BS EN 12620:2002 +A1:2008 Incorporating corrigendum May 2004 Aggregates for concrete ICS 91.100.15; 91.100.30 ? BS EN 12620:2002+A1:2008 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 7 October 2002 BSI 2008 ISBN 978 0 580 6
2、3327 0 National foreword This British Standard is the UK implementation of EN 12620:2002+A1:2008, incorporating corrigendum May 2004. It supersedes BS EN 12620:2002 which is withdrawn. The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating c
3、hanges to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by !“. EN 12620:2002 is included in a package of new European Standards being prepared by CEN/TC 154 relating to aggregates. Although the English text versions of these European Stand
4、ards will be adopted as British Standards as they become available, the existing British Standards for aggregates will be retained, but only until such time that the completed package of European Standards becomes available. The original group of British Standards will then be withdrawn and this wil
5、l be noted in Update Standards. The UK participation in its preparation was entrusted by Technical Committee B/502, Aggregates, to Subcommittee B/502/2, Aggregates for concrete including those for roads and other pavements. A list of organizations represented on this subcommittee can be obtained on
6、request to its secretary. 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 cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication Amd.
7、No.DateComments 15333 Corrigendum No. 1 17 August 2004Implementation of CEN corrigendum May 2004, replacement in Clause 1 of Note 1, correction to Figure ZA.1 and Figure ZA.3 30 June 2008Implementation of CEN amendment A1:2008 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12620:2002+A1 April
8、2008 ICS 91.100.15; 91.100.30 Supersedes EN 12620:2002 English Version Aggregates for concrete Granulats pour bton Gesteinskrnungen fr Beton This European Standard was approved by CEN on 1 August 2002 and includes Corrigendum 1 issued by CEN on 26 May 2004 and Amendment 1 approved by CEN on 16 Febru
9、ary 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obt
10、ained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Manag
11、ement Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Nor
12、way, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any fo
13、rm and by any means reserved worldwide for CEN national Members. Ref. No. EN 12620:2002+A1:2008: E 2 Contents page Foreword4 1 Scope 5 2 Normative references5 3 Terms and definitions .6 4 Geometrical requirements8 4.1 General8 4.2 Aggregate sizes8 4.3 Grading .9 4.4 Shape of coarse aggregate.13 4.5
14、Shell content of coarse aggregate.14 4.6 Fines content14 4.7 Fines quality.14 5 Physical requirements 15 5.1 General15 5.2 Resistance to fragmentation of coarse aggregate.15 5.3 Resistance to wear of coarse aggregate.16 5.4 Resistance to polishing and abrasion of coarse aggregate to be used for surf
15、ace courses16 5.5 Particle density and water absorption.17 5.6 Bulk density17 5.7 Durability 18 5.8 !Classification of the constituents of coarse recycled aggregates19 6 Chemical requirements.20 6.1 General20 6.2 Chlorides 20 6.3 Sulfur containing compounds21 6.4 Other constituents.22 6.5 Carbonate
16、content of fine aggregates for concrete pavement surface courses 23 7 Evaluation of conformity.23 7.1 General23 7.2 Initial type tests23 7.3 Factory production control.23 8 Designation 23 8.1 Designation and description 23 8.2 Additional information for the description of an aggregate24 9 Marking an
17、d labelling24 Annex A (informative) Illustration of grading requirements for most commonly used sizes for graded coarse aggregates.25 Annex B (informative) Guidance on the description of coarseness/fineness of fine aggregates.27 Annex C (normative) Reduced grading tolerances on producers declared ty
18、pical grading for fine aggregate28 Annex D (normative) Assessment of fines29 Annex E (informative) Guidance on the use of aggregates in concrete.30 Annex F (informative) Notes for guidance on the freezing and thawing resistance of aggregates 31 BS EN 12620:2002+A1:2008 3 Annex G (informative) Guidan
19、ce on the effects of some chemical constituents of aggregates on the durability of concrete in which they are incorporated.33 Annex H (normative) Factory production control.36 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directi
20、ves44 Bibliography56 BS EN 12620:2002+A1:2008 4 Foreword This document (EN 12620:2002+A1:2008) has been prepared by Technical Committee CEN/TC 154 “Aggregates“, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of
21、an identical text or by endorsement, at the latest by October 2008 and conflicting national standards shall be withdrawn at the latest by October 2008. This document includes Amendment 1, approved by CEN on 2008-02-16. This document supersedes EN 12620:2002. The start and finish of text introduced o
22、r altered by amendment is indicated in the text by tags ! “. The modifications of the related CEN Corrigendum have been implemented at the appropriate places in the text and are indicated by the tags . This document has been prepared under a mandate given to CEN by the European Commission and the Eu
23、ropean Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. !This amendment introduces clauses for recycled aggregates. The clauses call up new test methods, prEN 9
24、33-11, EN 1744-5, EN 1744-6 and EN 1367-4. These standards are at an advanced stage of preparation.“ Annexes A, B, E, F and G are informative. Annexes C, D and H are normative. This standard includes a Bibliography. Requirements for other end uses of aggregates will be specified in the following Eur
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