1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 771-3:2011Specification for masonry unitsPart 3: Aggregate concrete masonry units(Dense and lightweight aggregates)BS EN 771-3:2011Provided by IHSNot for ResaleNo reproduct
2、ion or networking permitted without license from IHS-,-,-BS EN 771-3:2011 BRITISH STANDARDNational ForewordThis British Standard is the UK implementatinulln nullnull EN 771-3:2011null It snullpersedes BS EN 771-3:2003null nullhinullh is nullithdranullnnullEN 771-3:2011 is a nullharmnullninullednull
3、Enullrnullpean Standard and nullnullllnull tanullesintnull anullnullnullnullnt the renullnullirements nullnull the Enullrnullpean nullnullmmissinulln mandatenull11nullnull nullasnullnrnull and related prnulldnullnulltsnull nullinullen nullnder the EU nullnullnstrnullnulltinullnnullrnulldnullnullts D
4、irenulltinulle nullnullnullnull10nullnullEEnullnullnull and is intended tnull lead tnull nullE marnullinnullnullEN 771-3 nullas the snullnullnullenullt nullnull transitinullnal arrannullements anullreed nullnderthe nullnullmmissinulln mandatenull In the UKnull the nullnullrrespnullndinnull natinulln
5、alstandard nullas:null BS null073-1:1nullnull1null Precast concrete masonry units Part 1:Specification for precast concrete masonry unitsnull nullhinullh nullas nullithdranulln in 200nullnullThe UK partinullipatinulln in its preparatinulln nullas entrnullsted tnull Tenullhninullal nullnullmmittee Bn
6、ullnull1nullnull nullasnullnrnull and assnullnulliated testinnullnull tnullSnullnullnullnullmmittee Bnullnull1nullnull1null nullasnullnrnull nullnitsnullA list nullnull nullrnullaninullatinullns represented nulln this nullnullmmittee nullan nulle nullnulltainednulln renullnullest tnull its senullret
7、arnullnullEN 771-3 spenullinulles the nullharanullteristinulls and pernullnullrmannulle renullnullirementsnullnullr anullnullrenullate nullnullnnullrete masnullnrnull nullnits anullailanullle thrnullnullnullhnullnullt the nullENmemnuller nullnullnullntriesnull It aims tnull dnull snull in prnulldnul
8、lnullt pernullnullrmannulle termsnullanullnullidinnull as nullar as pnullssinullle presnullriptinulle renullnullirements nullnullt permittinnull all the traditinullnal desinullnatinullns nullnull anullnullrenullate nullnullnnullrete nullnits anullailanulllethrnullnullnullhnullnullt Enullrnullpenull
9、nullnullrrent prnulldnullnulltsnull hnullnullenullernull nullill nullnullntinnulle tnull nullemannullnullanulltnullrednull traded and nullsednull enullen thnullnullnullh thenull are nnullt renullerred tnull nullnull name in this Enullrnullpean Standardnull The nullnullnnullept nullnull the denulllar
10、ednullalnulle has nulleen intrnulldnullnullednull This is the nullalnulle nullnullr the nullarinullnulls prnullpertiesrenullerred tnull in this standard that the mannullnullanulltnullrer nulllaims nullnullr theprnulldnullnulltnull There are nullther nnulltanullle dinullnullerennulles tnull nullhinul
11、lh the natinullnalannenull nullill renullernull in partinullnulllar the snullppnullrtinnull test methnullds are dinullnullerentand in respenullt nullnull nullnullmpressinulle strennullthnull anullnullrenullate nullnullnnullrete masnullnrnullnullnits are desinullnated either nullatenullnullrnull I nu
12、llr nullatenullnullrnull IInullThe UK Natinullnal Annenull NA attanullhed tnull this standard prnullnullides aninnullnullrmatinulle nullnullmmentarnull nulln the dinullnullerennulles nulletnulleen EN 771-3 andBS null073-1null Nnullthinnull in this annenull shnullnullld nulle nullnullnstrnulled as sp
13、enullinullnullinnullrenullnullirements nullther than thnullse nullnullntained in the nnullrmatinulle parts nullnullthis Enullrnullpean StandardnullInull nullE marnullinnull is pernullnullrmednull the prnullnullednullres in Annenull nullA nullill applnullnullThe sinullninullnullannulle nullnull the n
14、ullE marnullinnull is that the prnulldnullnullt mannullnullanulltnullrernulllaims nullnullmpliannulle nullith the nullharmnullninullednull renullnullirements nullinullen in thennullrmatinulle tenullt nullnull the prnulldnullnullt standardnull These relate tnull the essentialrenullnullirements nullnu
15、ll the EU nullnullnstrnullnulltinulln nullrnulldnullnullts Direnulltinullenull Nnullt allprnulldnullnullt nullharanullteristinulls need nenullessarilnull nulle nullinullen nulln the nullE marnullinnullnullnullnullt thnullse prnulldnullnullt nullharanullteristinulls nullnullnullered nullnull renullnu
16、lllatinullns in nullnullrnulle ineanullh EU nullemnuller Statenull nullhere the mannullnullanulltnullrer intends that theprnulldnullnullt nullill nulle nullsednull dnull need tnull nulle statednullThis standard has nulleen nullritten as a pernullnullrmannulle standardnull nullnlinulleBS null073-1nul
17、l nullhinullh nullas a nullnullmnullinatinulln nullnull pernullnullrmannulle and renullipenullleadinnull tnull the nullnullllnullnullinnull nullhannullesnullnull There are nnull standard prnulldnullnullt sinulles nullinullen and the distinnulltinullnnulletnulleen nullrinullnull and nulllnullnullnull
18、 has nulleen remnullnullednull These names hanullenulleen replanulled nullnull the term nullmasnullnrnull nullnitsnullnullProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 771-3:2011BRITISH STANDARDnull The nullrder in nullhinullh the dimensinull
19、ns nullnull nulllnullnullnulls are spenullinulled has nulleen nullhannulled nullrnullm nulllennullthnull heinullht and thinullnullnessnull tnull nulllennullthnullnullidth nullprenullinullnullslnull nullalled thinullnullnessnull and heinullhtnullnullnull Tnulllerannulle nullatenullnullries nulln the
20、mannullnullanulltnullrernulls denulllared dimensinullns are spenullinullednullnull The limit nulln shell thinullnullness nullnullr nulllnullnullnulls and the limits nulln nullnullid pernullentanulles nullnullr nullrinullnulls hanulle nulleen remnullnulled nullnullt the mannullnullanulltnullrer is re
21、nullnullired tnull denulllare nullne nullnull the nullrnullnullps denullned in EN 1nullnullnull-1-1 andnullnullr the nullnullnnullnullnullratinulln in nullnull3null1 nullnull this standardnullnull The mannullnullanulltnullrer is renullnullired tnull denulllare the nullrnullss drnull densitnull nulln
22、ull a nullnit andnull nullhen apprnullpriatenull the net drnull densitnull nullnull the nullnullnnullretenullThe tnulllerannulle nulln these denulllared nullalnulles is nullinullennullnull The limit nulln minimnullm strennullth has nulleen remnullnulled nullnullt the mannullnullanulltnullrer has tnu
23、ll denulllare the strennullth tnullnullether nullith the nullatenullnullrnull nullnull nullnitnullnull The limit nulln drnullinnull shrinnullanulle has nulleen remnullnulled and replanulled nullnull a renullnullirement nullnullr mannullnullanulltnullrers tnull denulllare the mnullistnullre mnullnull
24、ement nullalnulle nullhen nullnits are marnulleted nullnullr strnullnulltnullral pnullrpnullsesnullnull nullhen relenullant the mannullnullanulltnullrer has tnull denulllare the thermal prnullpertiesnull nullreenullenullthanull dnullranullilitnullnull nullater anullsnullrptinulln nullnull nullapilla
25、ritnulland nullater nullapnullnullr permeanullilitnull nullnull nullnitsnullnull The mannullnullanulltnullrer has tnull denulllare the nullnits reanulltinulln tnull nullre nulllassnull and nullhen intended tnull nulle nullsed in strnullnulltnullral masnullnrnullnull its nullnullnd strennullthnullnul
26、l A renullnullirement nullnullr nullenullnullral nullnullnd strennullth nullnull masnullnrnull nullnits in nullnullmnullinatinulln nullith mnullrtar has nulleen innulllnullded and is applinullanullle nullnlnullnullhen renullnullired nullnull natinullnal prnullnullisinullns nullalid in the intended p
27、lanulle nullnull nullse and relenullant tnull the applinullatinullnnullnull A renullnullirement nullnullr the mannullnullanulltnullrer tnull estanulllish prnulldnullnullt nullnullnnullnullrmitnull nullith its denulllared prnullperties is innulllnullded in this standardnull This renullnullires nullnu
28、llth initial tnullpe testinnull and the nullperatinulln nullnull nullnullntinnullinnull nullanulltnullrnull prnulldnullnulltinulln nullnullntrnulll prnullnullednullres that hanulle tnullnulle nullnullllnull dnullnullnullmentednull An nullnulltline nullnullr this is innulllnullded in nullnull3nullnul
29、l An innullnullrmatinulle annenullnull Annenull nullAnull is innulllnullded nullhinullh indinullates thnullse nulllanullses in this nullharmnullninullednull Standard and the prnullnullednullres tnull nulle nullnullllnullnulled in nullrder tnull nullE marnull a prnulldnullnulltnullThis pnullnulllinul
30、latinulln dnulles nnullt pnullrpnullrt tnull innulllnullde all the nenullessarnull prnullnullisinullns nullnull a nullnullntranulltnull Users are respnullnsinullle nullnullr its nullnullrrenullt applinullatinullnnullnull BSI 2011ISBN null7null 0 nullnull0 null7null07 0InullS null1null100null30Compli
31、ance with a British Standard cannot confer immunity from lenullal onulllinullationsnullThis British Standard nullas pnullnulllished nullnder the anullthnullritnull nullnull the Standards nullnulllinullnull and Stratenullnull nullnullmmittee nulln 31 nullnulltnullnuller 2011nullnullmendments issued s
32、ince punulllicationDate Tenullt anullnullenullted Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 771-3:2011 BRITISH STANDARDThis page deliberately left blankProvided by IHSNot for ResaleNo reproduction or networking permitted without license f
33、rom IHS-,-,-BS EN 771-3:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 771-3 May 2011 ICS 91.100.30 Supersedes EN 771-3:2003English Version Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates) Spcifications pour lments de maonnerie -
34、 Partie 3: lments de maonnerie en bton de granulats (granulats courants et lgers) Festlegungen fr Mauersteine - Teil 3: Mauersteine aus Beton (mit dichten und porigen Zuschlgen) This European Standard was approved by CEN on 10 March 2011. CEN members are bound to comply with the CEN/CENELEC Internal
35、 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 obtained on application to the CEN-CENELEC Management Centre or to any CEN
36、 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-CENELEC Management Centre has the same status as the official versio
37、ns. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slov
38、enia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN n
39、ational Members. Ref. No. EN 771-3:2011: EProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 771-3:2011EN 771-3:2011 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms, definitions and symbols .63.1 Terms and definitions .63.2
40、Symbols 84 Materials .85 Requirements for aggregate concrete masonry units .95.1 General 95.2 Dimensions and tolerances 95.2.1 Dimensions .95.2.2 Dimensional tolerances . 105.3 Configuration and appearance 105.3.1 Configuration 105.3.2 Appearance . 115.4 Density . 115.4.1 Gross dry density of the un
41、its . 115.4.2 Net dry density of the concrete . 125.4.3 Tolerances . 125.5 Mechanical strength . 125.5.1 Compressive strength 125.5.2 Bending tensile strength 135.6 Thermal properties . 135.7 Durability . 135.8 Water absorption by capillarity . 135.9 Moisture movement 145.10 Water vapour permeabilit
42、y . 145.11 Reaction to fire 145.12 Shear bond strength . 145.12.1 General . 145.12.2 Declaration based on fixed values 145.12.3 Declaration based on tests 155.13 Flexural bond strength . 156 Description, designation and classification of aggregate concrete masonry units 156.1 Description and designa
43、tion of units . 156.2 Classification . 167 Marking 168 Evaluation of conformity 168.1 General . 168.2 Initial type testing . 168.3 Factory production control 178.3.1 General . 178.3.2 Testing and measuring equipment . 188.3.3 Production equipment 188.3.4 Raw materials 188.3.5 Production process 188.
44、3.6 Finished product testing 188.3.7 Statistical techniques . 19Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 771-3:2011EN 771-3:2011 (E) 3 8.3.8 Marking and stock control of products . 198.3.9 Traceability . 198.3.10 Nonconforming products .
45、 19Annex A (normative) Sampling for initial type testing and for independent testing of consignments 20A.1 General . 20A.2 Sampling procedure 20A.2.1 General . 20A.2.2 Random sampling . 20A.2.3 Representative sampling 20A.2.4 Dividing the sample . 21A.2.5 Number of units required for testing . 21A.3
46、 Place and dates of inspection and testing 22Annex B (normative) Compliance criteria for initial type testing and for independent testing of consignments 23B.1 Dimensions and tolerances (see 5.2) 23B.2 Configuration and appearance (see 5.3) . 23B.3 Density (see 5.4) 23B.4 Mechanical strength (see 5.
47、5) 23B.4.1 Characteristic strength . 23B.4.2 Mean strength 23B.5 Moisture movement and water absorption by capillarity (see 5.9 and 5.8) . 23Annex C (informative) Examples of different shapes of aggregate concrete masonry units . 27Annex D (informative) Guidance for test frequencies for designing a
48、FPC system to demonstrate conformity of finished products with the requirements of the standard and the declaration of the manufacturer 28Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Directive . 30ZA.1 Scope and relevant characteristics . 30ZA.2 Procedure(s) for attestation of conformity of aggregate concrete masonry units . 32ZA.2.1 System(s) of att
