prEN 934-1 2006 (DRAFT) Admixtures for concrete, m

aDate:23February2006Origin:EuropeanLatestdateforreceiptofcomments:31May2006Projectno.:2006/00617Responsiblecommittee:B/517/3AdmixturesInterestedcommittees:B/517&B/519/2Title:DraftEN934-1Admixturesforconcrete,mortarandgroutPart1:CommonrequirementsSupersessioninformation:Ifthisdocumentispublishedasastandard,theUKimplementationofitwillsupersedeNONEandpartiallysupersedeNONE.Ifyouareawareofacurrentnationalstandardwhichmaybeaffected,pleasenotifythesecretary(contactdetailsbelow).WARNING:THISISADRAFTANDMUSTNOTBEREGARDEDORUSEDASABRITISHSTANDARD.THISDRAFTISNOTCURRENTBEYOND31May2006.Thisdraftisissuedtoallowcommentsfrominterestedparties;allcommentswillbegivenconsiderationpriortopublication.Noacknowledgementwillnormallybesent.Seeoverleafforinformationoncommenting.Nocopyingisallowed,inanyform,withoutpriorwrittenpermissionfromBSIexceptaspermittedundertheCopyright,DesignsandPatentAct1988orforcirculationwithinanominatingorganizationforbriefingpurposes.Electroniccirculationislimitedtodisseminationbye-mailwithinsuchanorganizationbycommitteemembers.FurthercopiesofthisdraftmaybepurchasedfromBSICustomerServices,Tel:+44(0)[e-mail],InternationalandforeignstandardsarealsoavailablefromBSICustomerServices.BritishStandardsonCDorOnlineareavailablefromBritishStandardsPublishingSalesLimited.Tel:[e-mail]-operatingorganizationsrepresentedonthecommitteesreferencedabovemaybeobtainedfromtheresponsiblecommitteesecretary.Cross-referencesTheBritishStandardswhichimplementInternationalorEuropeanpublicationsreferredtointhisdraftmaybefoundviatheBritishStandardsOnlineServiceontheBSIwebsite:MissAAttra(BSI)E-mail:[e-mail]HeadOffice389ChiswickHighRoadLondonW44ALTelephone:[phone]Fax:[phone](withreasons)orpositivevoteonthisdraft.SubmissionTheguidancegivenbelowisintendedtoensurethatallcommentsreceiveefficientandappropriateattentionbytheresponsibleBSIcommittee.Annotateddraftsarenotacceptableandwillberejected.Allcommentsmustbesubmitted,preferablyelectronically,totheResponsibleCommitteeSecretaryattheaddressgivenonthefrontcover.CommentsshouldbecompatiblewithVersion6.0orVersion97ofMicrosoft®WordforWindows™,ifpossible;otherwisecommentsinASCIItextformatareacceptable.Anycommentsnotsubmittedelectronicallyshouldstilladheretotheseformatrequirements.Allcommentssubmittedshouldbepresentedasgivenintheexamplebelow.FurtherinformationonsubmittingcommentsandhowtoobtainablankelectronicversionofacommentformareavailablefromtheBSIwebsiteat::xx/xx/200xDocument:ISO/DISxxxxx12(3)45(6)(7)MBClauseNo./SubclauseNo./Annex(e.g.3.1)Paragraph/Figure/Table/Note(e.g.Table1)Typeofcom-mentComment(justificationforchange)bytheMBProposedchangebytheMBSecretariatobservationsoneachcommentsubmitted3.1Definition1edDefinitionisambiguousandneedsclarifying.Amendtoread‘...sothatthemainsconnectortowhichnoconnection...’6.4Paragraph2teTheuseoftheUVphotometerasanalternativecannotbesupportedasseriousproblemshavebeenencounteredinitsuseintheUK.DeletereferencetoUVphotometer.MicrosoftandMS-DOSareregisteredtrademarks,andWindowsisatrademarkofMicrosoftCorporation.EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMDRAFTprEN934-1February2006ICSEnglishVersionAdmixturesforconcrete,mortarandgrout-Part1:CommonrequirementsAdjuvantspourbéton,mortieretcoulis-Partie1:ExigencescommunesZusatzmittelfürBeton,MörtelundEinpressmörtel-Teil1:GemeinsameAnforderungenThisdraftEuropeanStandardissubmittedtoCENmembersforenquiry.IthasbeendrawnupbytheTechnicalCommitteeCEN/TC104.IfthisdraftbecomesaEuropeanStandard,CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.ThisdraftEuropeanStandardwasestablishedbyCENinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Fi