1、BRITISH STANDARD BS EN 13286-40:2003 Unbound and hydraulically bound mixtures Part 40: Test method for determination of the direct tensile strength of hydraulically bound mixtures The European Standard EN 13286-40:2003 has the status of a British Standard ICS 93.080.20 BS EN 13286-40:2003 This Briti
2、sh Standard was published under the authority of the Standards Policy and Strategy Committee on 18 March 2003 BSI 18 March 2003 ISBN 0 580 41419 1 National foreword This British Standard is the official English language version of EN 13286-40:2003. The UK participation in its preparation was entrust
3、ed 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 intern
4、ational 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 purpo
5、rt 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
6、 any 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 8, an
7、 inside 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 EN1328640 March2003 ICS93.080.20 Englishversion Unboundandhydra
8、ulicallyboundmixturesPart40:Test methodforthedeterminationofthedirecttensilestrengthof hydraulicallyboundmixtures Mlangestraitsetmlangesnontraitsauxliants hydrauliquePartie40:Mthodedessaidedtermination delarsistancelatractiondirectedesmlangestraits auxliantshydrauliques Ungebundeneundhydraulischgebu
9、ndeneGemischeTeil 40:PrfverfahrenzurBestimmungderZugfestigkeit hydraulischgebundenerGemischeimdirektenZugversuch ThisEuropeanStandardwasapprovedbyCENon29November2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofa
10、nationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undert
11、heresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portu
12、gal,SlovakRepublic,Spain,Sweden,Switzerland and UnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.
13、No.EN1328640:2003EEN1328640:2003(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Principle5 5 Apparatus .6 5.1 Directtensiletestingmachine,capableoftestingdirecttensilespecimensofhydraulically boundmixtures . .6 5.2 Steelcaps .6 5.3 Balljoint 6 6 Testspecim
14、en . .6 7 Testprocedure .7 7.1 Preparationofthetestspecimen .7 7.1.1 Dimensions.7 7.1.2 Mass 7 7.1.3 Steelcapbonding . .7 7.2 Positioningthespecimenandloading 7 7.3 Datarecording 7 8 Expressionofresult 7 9 Testreport . .8EN1328640:2003(E) 3 Foreword Thisdocument(EN1328640:2003)hasbeenpreparedbyTechn
15、icalCommitteeCEN/TC227“Roadmaterials“, thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbySeptember2003,andconflictingnationalstandardsshallbewithdrawnatthe latestbyDecember2004. ThisEuropea
16、nStandardisoneofaseriesofstandardsaslistedbelow. EN132861, UnboundandhydraulicallyboundmixturesPart1:Testmethodsforlaboratoryreferencedensity andwatercontentIntroduction,generalrequirementsandsampling . prEN132862, UnboundandhydraulicallyboundmixturesPart2:Testmethodsforlaboratoryreferencedensity an
17、dwatercontentProctorcompaction. EN132863, UnboundandhydraulicallyboundmixturesPart3:Testmethodsforlaboratoryreferencedensity andwatercontentVibrocompressionwithcontrolledparameters. EN132864, UnboundandhydraulicallyboundmixturesPart4:Testmethodsforlaboratoryreferencedensity andwatercontentVibratingh
18、ammer. EN132865, UnboundandhydraulicallyboundmixturesPart5:Testmethodsforlaboratoryreferencedensity andwatercontentVibratingtable. prEN132867, UnboundandhydraulicallyboundmixturesPart7:Cyclicloadtriaxialtestforunboundmixtures. EN1328640, UnboundandhydraulicallyboundmixturesPart40:Testmethodforthedet
19、erminationofthe directtensilestrengthofhydraulicallyboundmixtures. EN1328641, UnboundandhydraulicallyboundmixturesPart41:Testmethodforthedeterminationofthe compressiveofstrengthofhydraulicallyboundmixtures. EN1328642, UnboundandhydraulicallyboundmixturesPart42:Testmethodforthedeterminationofthe indi
20、recttensilestrengthoftestspecimens. EN1328643, UnboundandhydraulicallyboundmixturesPart43:Testmethodforthedeterminationofthe modulusofelasticityofhydraulicallyboundmixtures. prEN1328644, UnboundandhydraulicallyboundmixturesPart44:Testmethodforthedeterminationofthe alphacoefficientofvitrifiedblastfur
21、naceslag. prEN1328645, UnboundandhydraulicallyboundmixturesPart45:Testmethodforthedeterminationofthe workabilityperiodofhydraulicallyboundmixtures. EN1328646, UnboundandhydraulicallyboundmixturesPart46:Testmethodforthedeterminationofthe moistureconditionvalue. prEN1328647, Unboundandhydraulicallybou
22、ndmixtures Part 47:Testmethodforthedeterminationof Californiabearingratio,immediatebearingindexandlinearswelling. prEN1328648, UnboundandhydraulicallyboundmixturesPart48:Testmethodforthedeterminationofthe degreeofpulverisation.EN1328640:2003(E) 4 prEN1328649, UnboundandhydraulicallyboundmixturesPart
23、49:Testmethodforthedeterminationofthe acceleratedswellingofsoiltreatedbylimeand/orhydraulicbinder. prEN1328650,Unboundandhydraulicallyboundmixtures Part50:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingProctorequipmentorvibratingtablecompaction. prEN1328651,Unboundandhydraul
24、icallyboundmixtures Part51:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingvibratinghammercompaction. prEN1328652,Unboundandhydraulicallyboundmixtures Part52:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingvibrocompression. prEN1328653,Unboundandhydrau
25、licallyboundmixtures Part53:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingaxialcompression. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Fi
26、nland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, SlovakRepublic,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN1328640:2003(E) 5 1Scope ThisEuropeanStandardspecifiesatestmethodforthedeterminationofthedirecttensilestrengthofspecimensof hydraulica
27、llyboundmixtures.ThisEuropeanStandardappliestospecimensofhydraulicallyboundmixturemadein accordancewithprEN1328652. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthep
28、ublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). prEN1328652,Unboundandhydr
29、aulicallyboundmixtures Part52:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingvibrocompression. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1 hydraulicallyboundmixture mixturethathardensbyhydraulicand/orpozzolanicand/orsu
30、lphaticand/orcarbonaticreaction,whichusuallyhas aworkabilitytosuitcompactionbyrollingandwhichisgenerallyusedinbases,subbasesandcappinglayers 3.2 directtensilestrength stressatfailureofaspecimenwhentestedindirecttension 4Principle Aspecimenofhydraulicallyboundmixturesissubjectedtoatensileforceuntilfa
31、ilure(seeFigure1).Thedirect tensilestrengthiscalculatedfromthefailureloadandthediameterofthespecimen.EN1328640:2003(E) 6 Key 1 Balljoint 2 Steelcap 3 Specimen Figure1Principleoftensiletesting 5Apparatus 5.1 Directtensiletestingmachine,capableoftestingdirecttensilespecimensofhydraulically boundmixtur
32、es Theprecisionofthemachineandtheloadindicationshallbesuchthattheultimateloadcanbedeterminedand measuredtoanaccuracyof 1%. 5.2 Steelcaps Thediameterofthecapsshallbeequaltothediameterofthespecimenwithin2mmandthethicknessshallbe notlessthan20mm. 5.3 Balljoint Aconnectionbetweenthetestingmachineandthec
33、apsshallbeobtainedbyasystemthatavoidsaflexural momentinthespecimen.Aballjointissuitable. 6 Testspecimen Thecompaction,shapeanddimensionofthespecimenshallconformtoprEN1328652fordirecttensiletest specimens.Thetypeofcuringshallbestatedinthetestreport.EN1328640:2003(E) 7 7 Testprocedure 7.1 Preparationo
34、fthetestspecimen 7.1.1Dimensions Thediameterofthecentralpartofthespecimenshallbemeasuredwithanaccuracyof0,5%. 7.1.2Mass Thespecimenshallbeweighedtoanaccuracyof 0,25%.Thisshallbecomparedtothemassatthetimeof manufacturetoensurethatduringcuring,evaporationhasnotresultedinalossofmassgreaterthan2%.Ifthe
35、lossisgreaterthan2%,thisshallberecordedandtheresultingtensilestrengthvaluemaybediscardedsinceit maybeunrepresentative. 7.1.3Steel cap bonding Beforebonding(e.g.byanepoxyresin),thesurfaceofthespecimenandcapsshallbeclean.Atbonding,theaxes ofthespecimenandofthetwocapsshallbealignedtowithin1mm. NOTE Asy
36、stemofalignmentcanbenecessarytoconformwiththisrequirement. Careshallbetakentoavoidlossofwaterbetweenbondingandtensilestrengthdetermination(e.g.bywrapping thespecimeninathinpolyethylenefilmorawetcloth). 7.2 Positioningthespecimenandloading Thespecimenshallbeplacedinthetestingmachine. Adjustthetesting
37、machinetoachievecontactandapplytheloadinacontinuousanduniformmannerwithout shocktoobtainauniformincreaseinstressof(0,010 0,005)MPapersecond. 7.3 Datarecording Themaximumforceatfailureshallberecorded. Failureofthespecimenoutsidethecentralpartofthespecimenshallbestatedinthetestreport. 8 Expressionofre
38、sult Thedirecttensilestrengthofthespecimenshallbecalculatedfromtheforce Fusingthefollowingformula: R t =4 F/p D (1) where R t isthedirecttensilestrengthofthespecimen,expressedinMegaPascal(MPa); F isthemaximumforcesustainedbythespecimen,expressedinnewtons(N); D isthediameterofthecentralpartofthespeci
39、men,expressedinmillimetres(mm). Thedirecttensilestrengthshallbeexpressedtothenearest0,01N/mm.EN1328640:2003(E) 8 9 Testreport ThetestreportshallrefertothisEuropeanStandardandshallincludethefollowinginformation: a) identificationofthespecimen; b) conditionattimeofweighing(asreceived/saturatedoptional
40、); c) massofspecimenatthetimeofmanufacturetothenearest10g; d) massofthespecimenatthetimeoftesttothenearest10g; e) percentagedifferencebetweenc)andd);ifgreaterthan2%,thetensilestrengthmaybeinvalidandshallbe stated; f) conditionofspecimenatreceiptforstorage(ifappropriate); g) methodofcuring/storage; h
41、) conditionofspecimenattimeoftest(saturated,moist); i) ageofspecimenattimeoftest; j) dateoftest; k) tensilestrengthofspecimen; l) typeoffailure; m) remarksabouttheoperationthatdoesnotcomplytothisEuropeanStandard; n)others remarks.blankBS EN 13286-40:2003 BSI 389 Chiswick High Road London W4 4AL BSI
42、British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users
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