1、BRITISH STANDARD BS EN 13286-41:2003 Unbound and hydraulically bound mixtures Part 41: Test method for determination of the compressive strength of hydraulically bound mixtures The European Standard EN 13286-41:2003 has the status of a British Standard ICS 93.080.20 BS EN 13286-41:2003 This British
2、Standard was published under the authority of the Standards Policy and Strategy Committee on 18 March 2003 BSI 18 March 2003 ISBN 0 580 41414 0 National foreword This British Standard is the official English language version of EN 13286-41:2003. The UK participation in its preparation was entrusted
3、by Technical Committee B/510, Road materials, to Subcommittee B/510/4, Cementitious bound materials, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement internati
4、onal 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 the BSI Electronic Catalogue or of British Standards Online. This publication does not purport
5、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 enquirers to understand the text; present to the responsible international/European committee an
6、y 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 pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 10, an i
7、nside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1328641 March2003 ICS93.080.20 Englishversion Unboundandhydraul
8、icallyboundmixturesPart41:Test methodforthedeterminationofthecompressivestrengthof hydraulicallyboundmixtures Mlangestraitsetmlangesnontraitsauxliants hydrauliquesPartie41:Mthodedessaipourla dterminationdelarsistancelacompressiondes mlangestraitsauxliantshydrauliques Ungebundeneundhydraulischgebunde
9、neGemischeTeil 41:PrfverfahrenzurBestimmungderDruckfestigkeit hydraulischgebundenerGemische ThisEuropeanStandardwasapprovedbyCENon29November2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwitho
10、utanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCE
11、NmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,SlovakRepublic,Sp
12、ain,Sweden,Switzerland and UnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1328641:2003EEN1
13、328641:2003(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Principle5 5 Apparatus .6 6 Testspecimen . .6 7 Testprocedure .6 7.1 Dimensions.6 7.2 Mass 6 7.3 Adjustmentofthetestspecimen . 6 7.4 Defectivespecimens . 7 7.5 Specimenpositioning 7 7.6 Loading .7
14、7.7 Assessmentoftypeoffailure. 7 8 Expressionofresult 7 9 Testreport . .8 9.1 Compulsoryinformation .8 9.2 Optionalinformation 8EN1328641:2003(E) 3 Foreword Thisdocument(EN1328641:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC227“Roadmaterials“, thesecretariatofwhichisheldbyDIN. ThisEuropeanStandard
15、shallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbySeptember2003,andconflictingnationalstandardsshallbewithdrawnatthe latestbyDecember2004. ThisEuropeanStandardisoneofaseriesofstandardsaslistedbelow. EN132861, Unboundandhydraulicallyboundmixtur
16、esPart1:Testmethodsforlaboratoryreferencedensity andwatercontentIntroduction,generalrequirementsandsampling . prEN132862, UnboundandhydraulicallyboundmixturesPart2:Testmethodsforlaboratoryreferencedensity andwatercontentProctorcompaction. EN132863, UnboundandhydraulicallyboundmixturesPart3:Testmetho
17、dsforlaboratoryreferencedensity andwatercontentVibrocompressionwithcontrolledparameters. EN132864, UnboundandhydraulicallyboundmixturesPart4:Testmethodsforlaboratoryreferencedensity andwatercontentVibratinghammer. EN132865, UnboundandhydraulicallyboundmixturesPart5:Testmethodsforlaboratoryreferenced
18、ensity andwatercontentVibratingtable. prEN132867, UnboundandhydraulicallyboundmixturesPart7:Cyclicloadtriaxialtestforunboundmixtures. EN1328640, UnboundandhydraulicallyboundmixturesPart40:Testmethodforthedeterminationofthedirect tensilestrengthofhydraulicallyboundmixtures. EN1328641, Unboundandhydra
19、ulicallyboundmixturesPart41:Testmethodforthedeterminationofthe compressivestrengthofhydraulicallyboundmixtures. EN1328642, UnboundandhydraulicallyboundmixturesPart42:Testmethodforthedeterminationofthe indirecttensilestrengthofhydraulicallyboundmixtures. EN1328643, Unboundandhydraulicallyboundmixture
20、sPart43:Testmethodforthedeterminationofthe modulusofelasticityofhydraulicallyboundmixtures. prEN1328644, UnboundandhydraulicallyboundmixturesPart44:Testmethodforthedeterminationofthe alphacoefficientofvitrifiedblastfurnaceslag. prEN1328645, UnboundandhydraulicallyboundmixturesTestmethodsPart45:Testm
21、ethodforthe determinationoftheworkabilityperiodofhydraulicallyboundmixtures. EN1328646, UnboundandhydraulicallyboundmixturesPart46:Testmethodforthedeterminationofthe moistureconditionvalue. prEN1328647, UnboundandhydraulicallyboundmixturesPart47:Testmethodsforthedeterminationof Californiabearingrati
22、o,immediatebearingindexandlinearswelling. prEN1328648, UnboundandhydraulicallyboundmixturesPart48:Testmethodforthedeterminationofthe degreeofpulverisation.EN1328641:2003(E) 4 prEN1328649, UnboundandhydraulicallyboundmixturesPart49:Testmethodforthedeterminationofthe acceleratedswellingofsoiltreatedby
23、limeand/orhydraulicbinder. prEN1328650,UnboundandhydraulicallyboundmixturesPart50:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingProctorequipmentorvibratingtablecompaction. prEN1328651,UnboundandhydraulicallyboundmixturesPart51:Methodforthemanufactureoftest specimensofhydrau
24、licallyboundmixturesusingvibratinghammercompaction. prEN1328652,UnboundandhydraulicallyboundmixturesPart52:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingvibrocompression. prEN1328653,UnboundandhydraulicallyboundmixturesPart53:Methodforthemanufactureoftest specimensofhydraul
25、icallyboundmixturesusingaxialcompression. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,
26、Netherlands,Norway,Portugal, SlovakRepublic,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN1328641:2003(E) 5 1Scope ThisEuropeanStandarddescribesatestmethodforthedeterminationofthecompressivestrengthofspecimens ofhydraulicallyboundmixtures.ThisEuropeanStandardappliestospecimensmanufacturedinthelabora
27、toryor preparedfromcores. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyof
28、thesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN123903:2001, TestinghardenedconcretePart3:Compressivestrengthoftestspecimens . prEN1328650, Unboundandhydraulicall
29、yboundmixturesPart50:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingProctorequipmentorvibratingtablecompaction . prEN1328651, UnboundandhydraulicallyboundmixturesPart51:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingvibratinghammercompaction . prEN13
30、28652, UnboundandhydraulicallyboundmixturesPart52:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingvibrocompression . prEN1328653, UnboundandhydraulicallyboundmixturesPart53:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingaxialcompression . 3 Termsandde
31、finitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1 hydraulicallyboundmixture mixturethathardensbyhydraulicand/orpozzolanicand/orsulphaticand/orcarbonaticreaction,whichusuallyhas aworkabilitytosuitcompactionbyrollingandwhichisgenerallyusedinbases,subbasesandcappi
32、nglayers 3.2 compressivestrength stressatfailureofaspecimenwhentestedinuniaxialunconfinedcompression 3.3 slendernessratio ratioofthelengthtothediameterofacylindricalspecimen 4Principle Aspecimenissubjectedtoacompressiveforceuntilfailure.Themaximumloadsustainedbythespecimenis recordedandthecompressiv
33、estrengthiscalculated.EN1328641:2003(E) 6 5Apparatus Compressiontestingmachine Theprecisionofthemachineandtheloadindicationshallbecapableofloadingandmeasurementtoanaccuracy of 1%. NOTE1 Testspecimensofhydraulicallyboundmixturescanbeeithercylindricalorcubical,withnominaldimensionsas smallas50mm(diame
34、ter)andaslargeas300mm(height),andwithultimatecompressivestrengthsvaryingfrom0,5N/mm 2 tonormalconcretestrengths.MachinescomplyingwithEN123904canbesuitableforstrongerspecimens. ThemachineshallhavetwosteelloadingplatenswithfaceshavingaRockwellhardnessofatleast55HRCfora depthofapproximately5mm.Theloadi
35、ngplatensshallbeatleastaslargeas,andpreferablylargerthan,the facesofthespecimentowhichtheloadisapplied.Thesurfaceflatnessoftheplatensandthesurfacesbywhich theyaresupportedshallbe0,03mmorbetter. NOTE2 Auxiliaryplatenshavingaminimumthicknessof25mmandfulfillingthesamerequirementsastheoriginalplatens ca
36、nbeused. Theupperplatenshallhaveasphericalseatingofdimensionsuchthatthedeformationoftheplatenundernormal loadingdoesnotexceedthetoleranceofflatness.Thecombinationoftheupperplatenandsphericalseatingshall bedesignedtopermiteasyalignmentoftheplatentothespecimenbuttobecomeimmobileastheforceonthe specime
37、nincreases.Theseatingshallhaveitscentreatthesurfaceoftheplaten,oratapointwhosedistance fromtheplatensislessthan1mm.Thediameteroftheseatingshallnotexceed150mm. Provisionshallbemadeforpositivelocationofspecimensatthecentreofthelowerplatens;visualalignmentshall notbeused. 6 Testspecimen Manufactureofth
38、etestspecimen ThemanufactureofthespecimenshallbeinaccordancewithprEN1 328650,prEN1328651,prEN1328652or prEN1328653.Thetypeofcompactionandcuringofthespecimenshallbestatedinthetestreport. 7 Testprocedure 7.1Dimensions Thedimensionsofthespecimenshallbemeasuredwithanaccuracyof0,5%. 7.2Mass Thespecimensh
39、allbeweighedtoanaccuracyof 0,25%andcomparedtothemassatthetimeofmanufacture. Thechangeinmassshallberecorded. NOTE Ifthechangeinmassisgreaterthan2%,theresultingcompressivestrengthcanbereviewedsinceitcouldbe unrepresentativeofthetestedmixture. 7.3 Adjustmentofthetestspecimen Thetopandbottomfacesofthete
40、stspecimenshallhaveanoutofparallelismtolerancenotexceeding2mmin 100 mm.Specimensfailingthisrequirementshalleitherbediscardedorrectifiedbygrindingorcappingin accordancewithannexAofEN123903:2001 .EN1328641:2003(E) 7 7.4 Defectivespecimens Damagedspecimensshallnotbetested. 7.5 Specimenpositioning Exces
41、smoistureshallbewipedfromthesurfaceofthespecimenbeforeplacinginthetestmachine. Alltestingmachinebearingsurfacesshallbewipedcleanandanyloosegritorextraneousmaterialremovedfrom thesurfacesofthespecimenthatwillbeincontactwiththeplatensorauxiliaryplatensifused. Nopackingshallbeusedbetweenthespecimenandt
42、heplatensorauxiliaryplatens. Cubespecimensshallbecompressedperpendicularlytoorinthedirectionofcastingandthedirectionrecorded. Thespecimenshallbecentredonthelowerplatenorauxiliaryplatentoanaccuracyof1%ofthedesignatedsize ofthecubeordiameterofcylindricalspecimens. Atthemomentofcontactbetweenthespecime
43、nandtheupperplaten,thesphericalseatingshallbeadjustedto achieveuniformcontactbetweenthespecimenandupperplaten. 7.6Loading Theloadshallbeappliedinacontinuousanduniformmannerwithoutshocksothatruptureoccurswithin30sto 60sofcommencementofloading. Whenusingmanuallycontrolledtestingmachinesandasspecimenruptureisapproached,anytendencyforthe selectedrateofloadingtodecreaseshallbecorrectedbyappropriateadjustmentofthecontrols. Whenusingautomaticallycontrolledtestingmachines,ther
