1、BRITISH STANDARD BS EN 13286-43:2003 Unbound and hydraulically bound mixtures Part 43: Test method for the determination of the modulus of elasticity of hydraulically bound mixtures The European Standard EN 13286-43:2003 has the status of a British Standard ICS 93.080.20 BS EN 13286-43:2003 This Bri
2、tish Standard was published under the authority of the Standards Policy and Strategy Committee on 18 March 2003 BSI 18 March 2003 ISBN 0 580 41416 7 National foreword This British Standard is the official English language version of EN 13286-43:2003. The UK participation in its preparation was entru
3、sted 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 inte
4、rnational 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 pur
5、port 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 committ
6、ee 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 12,
7、 an 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 EN1328643 March2003 ICS93.080.20 Englishversion Unboundandhy
8、draulicallyboundmixturesPart43:Test methodforthedeterminationofthemodulusofelasticityof hydraulicallyboundmixtures Mlangestraitsetmlangesnontraitsauxliants hydrauliquePartie43:Mthodedessaipourla dterminationdumoduledlasticitdesgravestraitsaux liantshydrauliques UngebundeneundhydraulischgebundeneGemi
9、scheTeil 43:PrfverfahrenzurBestimmungdesElastizittsmoduls hydrauliaulischgebundenerGemische 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.EN1328643:2003EEN1
13、328643:2003(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Determinationofthemodulusofelasticitybycompressionorbydirecttensiletest5 4.1 Principle5 4.2 Apparatus .6 4.2.1 Testingmachine. 6 4.2.2 Strainmeasuringdevice . 6 4.3 Preparationofthetestspecimen .8
14、4.4 Testprocedure .8 4.4.1 Positionofthestrainmeasuringdeviceonthespecimen . .8 4.4.2 Positioningthespecimenonthetestmachineandloading .8 4.5 Datarecordingandcalculationoftheelasticmodulus . 8 5 Determinationofthemodulusofelasticitybyindirecttensiletest9 5.1 Principle9 5.2 Apparatus .9 5.2.1 Testing
15、machine conformingtoEN1328642. 9 5.2.2 Strainmeasuringdevice . 9 5.3 Preparationofthetestspecimen .11 5.4 Testprocedure .11 5.4.1 Positionthestrainmeasuringdeviceonthespecimen 11 5.4.2 Positioningthespecimeninthepressandloading. 11 5.5 Datarecording 11 5.6 Calculationoftheelasticmodulus .11 6 Testre
16、port . .12EN1328643:2003(E) 3 Foreword Thisdocument(EN1328643:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC227“Roadmaterials“, thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbySeptember20
17、03,andconflictingnationalstandardsshallbewithdrawnatthe latestbyDecember2004. ThisEuropeanStandardisoneofaseriesofstandardsaslistedbelow. EN132861, UnboundandhydraulicallyboundmixturesPart1:Testmethodsforlaboratoryreferencedensity andwatercontentIntroduction,generalrequirementsandsampling . prEN1328
18、62, UnboundandhydraulicallyboundmixturesPart2:Testmethodsforlaboratoryreferencedensity andwatercontentProctorcompaction. EN132863, UnboundandhydraulicallyboundmixturesPart3:Testmethodsforlaboratoryreferencedensity andwatercontentVibrocompressionwithcontrolledparameters. EN132864, Unboundandhydraulic
19、allyboundmixturesPart4:Testmethodsforlaboratoryreferencedensity andwatercontentVibratinghammer. EN132865, UnboundandhydraulicallyboundmixturesPart5:Testmethodsforlaboratoryreferencedensity andwatercontentVibratingtable. prEN132867, UnboundandhydraulicallyboundmixturesPart7:Cyclicloadtriaxialtestforu
20、nboundmixtures. EN1328640, UnboundandhydraulicallyboundmixturesPart40:Testmethodforthedeterminationofthe directtensilestrengthofhydraulicallyboundmixtures. EN1328641, UnboundandhydraulicallyboundmixturesPart41:Testmethodforthedeterminationofthe compressiveofstrengthofhydraulicallyboundmixtures. EN13
21、28642, UnboundandhydraulicallyboundmixturesPart42:Testmethodforthedeterminationofthe indirecttensilestrengthofhydraulicallyboundmixtures. EN1328643, UnboundandhydraulicallyboundmixturesPart43:Testmethodforthedeterminationofthe modulusofelasticityofhydraulicallyboundmixtures. prEN1328644, Unboundandh
22、ydraulicallyboundmixturesPart44:Testmethodforthedeterminationofthe alphacoefficientofvitrifiedblastfurnaceslag. prEN1328645, UnboundandhydraulicallyboundmixturesPart45:Testmethodforthedeterminationofthe workabilityperiodofhydraulicallyboundmixtures. prEN1328646, UnboundandhydraulicallyboundmixturesP
23、art46:Testmethodforthedeterminationofthe moistureconditionvalue. prEN1328647, Unboundandhydraulicallyboundmixtures Part 47:Testmethodforthedeterminationof Californiabearingratio,immediatebearingindexandlinearswelling. prEN1328648, UnboundandhydraulicallyboundmixturesPart48:Testmethodforthedeterminat
24、ionofthe degreeofpulverisation.EN1328643:2003(E) 4 prEN1328649, UnboundandhydraulicallyboundmixturesPart49:Testmethodforthedeterminationofthe acceleratedswellingofsoiltreatedbylimeand/orhydraulicbinder. prEN1328650,Unboundandhydraulicallyboundmixtures Part50:Methodforthemanufactureoftest specimensof
25、hydraulicallyboundmixturesusingProctorequipmentorvibratingtablecompaction. prEN1328651,Unboundandhydraulicallyboundmixtures Part51:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingvibratinghammercompaction. prEN1328652,Unboundandhydraulicallyboundmixtures Part52:Methodforthema
26、nufactureoftest specimensofhydraulicallyboundmixturesusingvibrocompression. prEN1328653,Unboundandhydraulicallyboundmixtures Part53:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingaxialcompression. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizations
27、ofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, SlovakRepublic,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN1328643:2003(E) 5 1Scope ThisE
28、uropeanStandardspecifiesatestmethodforthedeterminationofthemodulusofelasticityofspecimensof hydraulicallyboundmixtures.TheEuropeanStandardappliestospecimensmanufacturedinthelaboratoryor preparedfromcores. Themodulusisdeterminedusingeither: thetestoncompressivestrength; thedirecttensiletest;or theind
29、irecttensiletest. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepub
30、licationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN1328640, UnboundandhydraulicallyboundmixturesPart40:Testmethodforthedeterminationofthe directtensilestrengthofhydraulicall
31、yboundmixtures. EN1328641, UnboundandhydraulicallyboundmixturesPart41:Testmethodforthedeterminationofthe compressiveofstrengthofhydraulicallyboundmixtures. EN1328642, UnboundandhydraulicallyboundmixturesPart42:Testmethodforthedeterminationofthe indirecttensilestrengthofhydraulicallyboundmixtures. 3
32、Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefollowingtermsanddefinitionsapply. 3.1 hydraulicallyboundmixture mixturethathardensbyhydraulicand/orpozzolanicand/orsulphaticand/orcarbonaticreaction,whichusuallyhas aworkabilitytosuitcompactionbyrollingandwhichisgenerallyusedinbases,subbas
33、esandcappinglayers 3.2 modulusofelasticity valuegivenbythequotientstress/strain 4 Determinationofthemodulusofelasticitybycompressionorbydirecttensiletest 4.1Principle AspecimenofhydraulicallyboundmixturesissubjectedtoauniaxialcompressivestressaccordingtoEN13286 41oradirecttensilestressaccordingtoEN1
34、328640.EN1328643:2003(E) 6 Duringthetest,theforcestraincurveisrecordedtopermitthedeterminationofthemodulusofelasticityofthe material. 4.2Apparatus 4.2.1 Testingmachine Whenthetestiscarriedoutincompression,themachineshallconformtoEN1328641. Whenthetestiscarriedoutindirecttension,themachineshallconfor
35、mtoEN1328640. 4.2.2 Strainmeasuringdevice Thelongitudinalstrain e shallbemeasuredonthewallofthespecimen,onthreestraightlinesoffsetby120inthe “centralpart“ofthespecimen.Thelength l 0 ofthe“centralpart“shallbeatleastfourtimesthemaximum dimensionoftheaggregate.Incompression,thedistancefromtheplatenstot
36、heextremitiesofthecentralpart shallbeatleast1,5timesthemaximumdimensionoftheaggregateandatleast15mm.Theaccuracyofthevalue D l usedforcalculationshallbewithin3%. Thestrain e ismeasureddirectlywhenusingastraingaugeandisequalto D l / l 0 whenusinganextensometer. Whentheextensometer(seeFigure1)isused,it
37、shallconsistoftworigidrings,eachfixedtothewallofthe specimenbythreescrews.Theendofthescrewshallhavearoundedendtoavoidpenetrationintothespecimen. Threetransducersshallbefixedtooneoftheringstodeterminethedisplacementbetweenthetworings.The averageofthethreemeasurementsgivesthevalueof D l,ofthespecimend
38、uringthetestandthereforethestrain e . NOTE Systemsforadjustingthedistance l0betweenthetworingscouldbeaddedtofacilitatetheoperation.Forexample, threeremovablescrewswhichshouldbetakenawayduringthetest.EN1328643:2003(E) 7 Key a)View b) Topview 1 Specimen 2 Rigidring 3S c r e w 4 Transducer 5 Removables
39、crew Figure1ExtensometerforcompressionortensiletestEN1328643:2003(E) 8 4.3 Preparationofthetestspecimen Whenthetestiscarriedoutincompression,specimenpreparationshallconformtoEN1328641.Themethodof specimenmanufacture,thetypeofcompactionandcuringshallbestatedinthetestreport. Whentestiscarriedoutindire
40、cttension,specimenpreparationshallconformtoEN1328640.Thetypeofcuring shallbestatedinthetestreport. 4.4 Testprocedure 4.4.1 Positionofthestrainmeasuringdeviceonthespecimen Thestraingaugesorextensometershallbepositionedinthecentralpartofthespecimenasspecifiedin4.2.2. 4.4.2 Positioningthespecimenonthet
41、estmachineandloading ThepositioningofthetestspecimeninthemachineandtheloadingshallconformtoeitherEN1328640or EN1328641. 4.5 Datarecordingandcalculationoftheelasticmodulus Duringthetest,theforcestraincurveshallberecorded(seeFigure2). F r and e 3 shallbedeterminedusingthe recordeddataasindicatedinFigu
42、re2. Figure2Forcestraincurve Calculatethemodulusofelasticityasfollows: 3 2 2 1 or e p D F E E r t c , = (1) where E c istheelasticmodulusincompression,expressedinmegapascals(MPa);EN1328643:2003(E) 9 E t istheelasticmodulusintension,expressedinmegapascals(MPa); F r isthemaximumforcesustained,expresse
43、dinnewtons(N); D isthediameterofthetestspecimen,expressedinmillimetres(mm); e 3 isthelongitudinalstrainofthespecimen,when F=0,3 F r . Thevalueofthemodulusshallbeexpressedwiththreesignificantfigures. 5 Determinationofthemodulusofelasticitybyindirecttensiletest 5.1Principle AspecimenofhydraulicallyboundmixturesissubjectedtoanindirecttensiletestaccordingtoEN1328642. Duringthetest,theforceapplied FthevariationofthelengthofthehorizontaldiameterABandthediameterCD thatmakes60withthehorizontal
