EN 13286-43-2003 en Unbound and hydraulically bound mixtures - Part 43 Test method for the determination of the modulus of elasticity of hydraulically bound mixtures《松散的和液力粘合的混合料 第.pdf

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