1、BS EN 934-3:2009ICS 91.100.30NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDAdmixtures forconcrete, mortar andgroutPart 3: Admixtures for masonrymortar Definitions, requirements,conformity and marking and labellingBS EN 934-3:2009 +A1:2012This British Standardw
2、as published under the authority of theStandards Policy andStrategy Committee on 30November 2009 BSI 2009ISBN 978 0 580 62627 2Amendments/corrigenda issued since publicationDate CommentsBS EN 934-3:2009National forewordThis British Standard is the UK implementation of EN 934-3:2009. Itsupersedes BS
3、EN 934-3:2003 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/517/3, Admixtures.A list of organizations represented on this committee can be obtained onrequest to its secretary.The following is drawn to your attention by The UK Committee: All referenc
4、es to EN 934-6:2001, EN 934-6/A1 and EN 934-6/A1:2005 should be read as EN 934-6:2001/A1:2005.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal
5、obligations.BS EN 934-3:2009+A1:2012ISBN 978 0 580 76402 8Amendments/corrigenda issued since publicationDate Comments30 November 2012 Implementation of CEN amendment A1:2012This British Standard waspublished under the authorityof the Standards Policy andStrategy Committee on 30 November 2009 The Bri
6、tish Standards Institution 2012.Published by BSI StandardsLimited 2012National forewordThis British Standard is the UK implementation of EN 934-3:2009+A1:2012.It supersedes BS EN 934-3:2009 which is withdrawn.The start and finish of text introduced or altered by amendment is indicatedin the text by
7、tags. Tags indicating changes to CEN text carry the number ofthe CEN amendment. For example, text altered by CEN amendment A1 isindicat by .by i l, Concrete, to Subcommittee B/517/3, Admixtures.subcommittee can be obtained onEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 934-3:2009+A1 July 201
8、2 ICS 91.100.10; 91.100.30 Supersedes EN 934-3:2009English Version Admixtures for concrete, mortar and grout - Part 3: Admixtures for masonry mortar - Definitions, requirements, conformity and marking and labelling Adjuvants pour bton, mortier et coulis - Partie 3: Adjuvants pour mortier de montage
9、- Dfinitions, exigences, conformit, marquage et tiquetage Zusatzmittel fr Beton, Mrtel und Einpressmrtel - Teil 3: Zusatzmittel fr Mauermrtel - Definitionen, Anforderungen, Konformitt, Kennzeichnung und Beschriftung This European Standard was approved by CEN on 16 July 2009 and includes Amendment 1
10、approved by CEN on 25 May 2012. 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 nationa
11、l standards may be obtained on application to the CEN-CENELEC 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
12、 and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hu
13、ngary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Manage
14、ment Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 934-3:2009+A1:2012: EEN 934-3:2009+A1:2012 (E) 2 Contents page Foreword 31 Scope 42 Normative references 43 Terms and definitions .
15、 44 Requirements . 55 Sampling . 66 Conformity control. 77 Evaluation of conformity . 78 Marking and labelling 88.1 General 88.2 Designation of admixtures 88.3 Additional information 8Annex A (informative) Content and release of dangerous substances . 9Annex ZA (informative) Clauses of this European
16、 Standard addressing the provisions of the EU Construction Products Directive 10ZA.1 Scope and relevant characteristics . 10ZA.2 Procedure for attestation of conformity of admixtures for masonry mortar . 11ZA.2.1 System of attestation of conformity 11ZA.2.2 EC certificate and declaration of conformi
17、ty 13ZA.3 CE marking and labelling 14Bibiography . 16BS EN 934-3:2009+A1:2012EN 934-3:2009+A1:2012 (E)EN 934-3:2009+A1:2012 (E) 3 Foreword This document (EN 934-3:2009+A1:2012) has been prepared by Technical Committee CEN/TC 104 “Concrete and related products”, the secretariat of which is held by DI
18、N. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2013, and conflicting national standards shall be withdrawn at the latest by January 2013. Attention is drawn to the possibility that som
19、e of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes !EN 934-3:2009“. This document includes Amendment 1 approved by CEN on 2012-05-25. The start and finish of
20、text introduced or altered by amendment is indicated in the text by tags !“. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive 89/106/EEC. For relationship with
21、 EU Directive 89/106/EEC, see informative Annex ZA, which is an integral part of this document. This European Standard is a part of the series EN 934 “Admixtures for concrete, mortar and grout“ which additionally comprises the following parts Part 1: Common requirements Part 2: Concrete admixtures D
22、efinitions, requirements, conformity, marking and labelling Part 4: Admixtures for grout for prestressing tendons Definitions, requirements, conformity, marking and labelling Part 5: Admixtures for sprayed concrete Definitions, requirements, conformity, marking and labelling Part 6: Sampling, confor
23、mity control, evaluation of conformity This European Standard is used with the standards of the EN 480 series which comprise test methods for admixtures. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this Eur
24、opean Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Sl
25、ovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 934-3:2009+A1:2012EN 934-3:2009+A1:2012 (E)EN 934-3:2009+A1:2012 (E) 4 1 Scope This European Standard defines and specifies the requirements and conformity criteria for admixtures for use in cement based masonry mortar. It cove
26、rs two types of admixtures, long term retarding and air entraining/plasticising which are used in ready-mixed and site made masonry mortars. Provisions for the use of admixtures for masonry mortar are not part of this European Standard but are covered by EN 998-1 and EN 998-2. 2 Normative references
27、 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 edition of the referenced document (including any amendments) applies. EN 480-13:2009, Admixtures for concrete, mortar
28、and grout Test methods Part 13: Reference masonry mortar for testing mortar admixtures EN 934-1:2008, Admixtures for concrete, mortar and grout Part 1: Common requirements EN 934-2, Admixtures for concrete, mortar and grout Part 2: Concrete admixtures Definitions, requirements, conformity, marking a
29、nd labelling EN 934-6:2001, Admixtures for concrete, mortar and grout - Part 6: Sampling, conformity control and evaluation of conformity EN 934-6:2001/A1:2005, Admixtures for concrete, mortar and grout Part 6: Sampling, conformity control and evaluation of conformity EN 1015-4, Methods of test for
30、mortar for masonry Part 4: Determination of consistence of fresh mortar (by plunger penetration) EN 1015-7, Methods of test for mortar for masonry Part 7: Determination of air content of fresh mortar EN 1015-9, Methods of test for mortar for masonry Part 9: Determination of workable life and correct
31、ion time of fresh mortar EN 1015-11, Methods of test for mortar for masonry Part 11: Determination of flexural and compressive strength of hardened mortar 3 Terms and definitions For the purposes of this document, the definitions in EN 934-1:2008 and the following apply. 3.1 air entraining/plasticiz
32、ing admixture admixture which increases workability, or allows water reduction, by incorporating during mixing a controlled quantity of small, uniformly distributed air bubbles which remain after hardening 3.2 set retarding admixture for long term retarded masonry mortar set retarding admixture as d
33、efined in EN 934-2 but specifically intended for use in long term retarded mortar incorporating entrained air BS EN 934-3:2009+A1:2012EN 934-3:2009+A1:2012 (E)EN 934-3:2009+A1:2012 (E) 5 3.3 performance ability of an admixture to be effective in its intended use without detrimental effect 3.4 compli
34、ance dosage dosage of an admixture, expressed in % by mass of cement, stated by the manufacturer, which will meet the requirements of this European Standard. The compliance dosage is within the recommended range of dosage 3.5 recommended range of dosage dosages between limits, expressed in % by mass
35、 of cement, which the manufacturer recommends for the product based on experience on site NOTE The use of the recommended dosage does not imply that compliance with this standard will be achieved over the whole range. Trial tests should be carried out with the materials to be used on site, to find t
36、he dosage necessary to achieve the required result. 3.6 maximum recommended dosage upper limit of the recommended range of dosage 4 Requirements Masonry mortar admixtures, when sampled in accordance with !EN 934-6:2001 and EN 934-6/A1:2005“, shall comply with the requirements in EN 934-1:2008, Table
37、 1 using the test methods listed therein and the additional requirements specific to different types of admixture listed in Table 1 !below“. NOTE 1 Tests should be carried out with the admixtures and other materials intended to be used in the mortar to check whether the desired effect can be obtaine
38、d. For content of substances and release of substances from the hardened mortar which are dangerous to health, hygiene and the environment see Annex A (informative). NOTE 2 For requirements necessary for CE-marking see Annex ZA. Table 1 Additional requirements for specific types of admixture Definit
39、ion Name of admixture Additional requirements3.1 Air entraining/plasticizing mixture Table 2 3.2 Set retarding admixture for long term retarded masonry mortar Table 3 BS EN 934-3:2009+A1:2012EN 934-3:2009+A1:2012 (E)EN 934-3:2009+A1:2012 (E) 6 Table 2 Additional requirements for air entraining/plast
40、icizing admixtures at equal consistence Property Reference mortar Test methodRequirement a1 Air content after standard mixing EN 480-13 EN 1015-7 method A Total air content A1 = (17 3) % by volume 2 Air content after 1 h standing EN 480-13 EN 1015-7 method A A1 3 % 3 Air content after extended mixin
41、g EN 480-13 EN 1015-7 method A A1+ 5 % and A1 5 % 4 Reduction in water requirement for standard consistence EN 480-13 EN 480-13 8 % by mass 5 Compressive strength at 28 days EN 480-13 EN 1015-11 Test mix 70 % of control mix a All requirements apply to the same test mix.Table 3 Additional requirement
42、s for admixtures for long term retarded, ready to use mortar at equal consistence dProperty Reference mortar Test methodRequirement a1 Air content after standard mixing EN 480-13 EN 1015-7 method A Total air content A2= (17 3) % by volume 2 Air content after extended mixing EN 480-13 EN 1015-7 metho
43、d A A2+ 5 % and A2 5 % 3 Consistence after 28 h standing bEN 480-13 EN 1015-4 Within 15 mm of initial value 4 Air content after 28 h standing EN 480-13 EN 1015-7 method A 0,70A2% 5 Resistance to penetration after 72 h cEN 480-13 EN 1015-9 Test mix 1,0 N/mm26 Compressive strength at 28 days EN 480-13
44、 EN 1015-11 Test mix 70 % of control mixa All requirements apply to the same test mix. bWhen stored and remixed in accordance with EN 480-13:2009, 5.3, as for determination of air content, after 28 h standing.cWhen stored in a covered mould for 28 h to prevent evaporation of water and then stored in
45、 an uncovered penetration resistance mould for further 44 h at (65 5) % RH. d The air entrainment may be as a result of the admixture containing both retarding and air entraining properties or by the separate addition of an air entraining admixture complying with Table 2. 5 Sampling !Requirements fo
46、r sampling are given in EN 934-6:2001 and EN 934-6:2001/A1:2005, Clause 4.“ BS EN 934-3:2009+A1:2012EN 934-3:2009+A1:2012 (E)EN 934-3:2009+A1:2012 (E) 7 6 Conformity control Requirements for conformity control are given in EN 934-6:2001/A1:2005, 5.3 and 5.4 !deleted text“. The frequency of testing i
47、n connection with the factory production control is given in Table 4. Table 4 Minimum frequency of test for factory production control Tests Air entraining/ plasticizing admixture Admixture for long term retarded, ready to use mortar Homogeneity, colour B B Relative density (for liquids only) B B Co
48、nventional dry material content B B pH value (for liquids only) B B Chloride content (CI) a4 4 Compressive strength at 28 days 1 1 Air content after standard mixing A A Air content after extended mixing A A Air content after 1 h standing A Air content after 28 h standing A Reduction in water require
49、ment for standard consistence A Consistence after 28 h standing A Resistance to penetration after 72 h A Numbers in this table denote minimum frequency of test per year, spread according to production; if the production is less frequent every batch has to be tested A: means test for every 500 t with a minimum of 2 times a year B: means test for each batch NOTE The effective component (infrared analysis) need not be included in the programme of fa
