1、BRITISH STANDARD BS EN 13286-46:2003 Unbound and hydraulically bound mixtures Part 46: Test method for the determination of the moisture condition value The European Standard EN 13286-46:2003 has the status of a British Standard ICS 93.080.20 BS EN 13286-46:2003 This British Standard was published u
2、nder the authority of the Standards Policy and Strategy Committee on 24 March 2003 BSI 24 March 2003 ISBN 0 580 41418 3 National foreword This British Standard is the official English language version of EN 13286-46:2003. The UK participation in its preparation was entrusted by Technical Committee B
3、/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 international or European publica
4、tions 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 to include all the neces
5、sary 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 any enquiries on the inter
6、pretation, 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, an inside back cover and a b
7、ack 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 EN1328646 March2003 ICS93.080.20 Englishversion UnboundandhydraulicallyboundmixturesPart4
8、6:Test methodforthedeterminationofthemoistureconditionvalue Mlangestraitsetmlangesnontraitsauxliants hydrauliquesPartie46:Mthodesdessaipourla dterminationdelacompactibilit UngebundeneundhydraulischgebundeneGemischeTeil 46:Prfverfahrenzurbestimmungdes FeuchtigkeitszustandsWertes ThisEuropeanStandardw
9、asapprovedbyCENon29November2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicat
10、iontotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersareth
11、enationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,SlovakRepublic,Spain,Sweden,Switzerland and UnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPIS
12、CHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1328646:2003EEN1328646:2003(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereference . .5 3 Termanddefinition. .5 4 Principle5
13、 5 Apparatus .5 5.1 Moistureconditionapparatus .5 6 Checkingthemoistureconditionapparatus. 7 7 Determinationofthemoistureconditionvalueofasampleofmixture.7 7.1 Samplingandpreparation .7 7.2 Quantityoftestportion .7 7.3 Procedure .7 8 Expressionofresults . .8 9 Testreport . .9EN1328646:2003(E) 3 Fore
14、word Thisdocument(EN1328646:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC227“Roadmaterials“, thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbySeptember2003,andconflictingnationalstandards
15、shallbewithdrawnatthe latestbyDecember2004. ThisEuropeanStandardisoneofaseriesofstandardsaslistedbelow. EN132861, UnboundandhydraulicallyboundmixturesPart1:Testmethodsforlaboratoryreferencedensity andwatercontentIntroduction,generalrequirementsandsampling . prEN132862, Unboundandhydraulicallyboundmi
16、xturesPart2:Testmethodsforlaboratoryreferencedensity andwatercontentProctorcompaction. EN132863, UnboundandhydraulicallyboundmixturesPart3:Testmethodsforlaboratoryreferencedensity andwatercontentVibrocompressionwithcontrolledparameters. EN132864, UnboundandhydraulicallyboundmixturesPart4:Testmethods
17、forlaboratoryreferencedensity andwatercontentVibratinghammer. EN132865, UnboundandhydraulicallyboundmixturesPart5:Testmethodsforlaboratoryreferencedensity andwatercontentVibratingtable. prEN132867, UnboundandhydraulicallyboundmixturesPart7:Cyclicloadtriaxialtestforunboundmixtures. EN1328640, Unbound
18、andhydraulicallyboundmixturesPart40:Testmethodforthedeterminationofthedirect tensilestrengthofhydraulicallyboundmixtures. EN1328641, UnboundandhydraulicallyboundmixturesPart41:Testmethodforthedeterminationofthe compressiveofstrengthofhydraulicallyboundmixtures. EN1328642, Unboundandhydraulicallyboun
19、dmixturesPart42:Testmethodforthedeterminationofthe indirecttensilestrengthofhydraulicallyboundmixtures. EN1328643, UnboundandhydraulicallyboundmixturesPart43:Testmethodforthedeterminationofthe modulusofelasticityofhydraulicallyboundmixtures. prEN1328644, UnboundandhydraulicallyboundmixturesPart44:Te
20、stmethodforthedeterminationofthe alphacoefficientofvitrifiedblastfurnaceslag. prEN1328645, UnboundandhydraulicallyboundmixturesPart45:Testmethodforthedeterminationofthe workabilityperiodofhydraulicallyboundmixtures. EN1328646, UnboundandhydraulicallyboundmixturesPart46:Testmethodforthedeterminationo
21、fthe moistureconditionvalue. prEN1328647, UnboundandhydraulicallyboundmixturesPart47:Testmethodsforthedeterminationof Californiabearingratio,immediatebearingindexandlinearswelling. prEN1328648, UnboundandhydraulicallyboundmixturesPart48:Testmethodforthedeterminationofthe degreeofpulverisation.EN1328
22、646:2003(E) 4 prEN1328649, UnboundandhydraulicallyboundmixturesPart49:Testmethodforthedeterminationofthe acceleratedswellingofsoiltreatedbylimeand/orhydraulicbinder. prEN1328650,UnboundandhydraulicallyboundmixturesPart50:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingProctor
23、equipmentorvibratingtablecompaction. prEN1328651,UnboundandhydraulicallyboundmixturesPart51:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingvibratinghammercompaction. prEN1328652,UnboundandhydraulicallyboundmixturesPart52:Methodforthemanufactureoftest specimensofhydraulically
24、boundmixturesusingvibrocompression. prEN1328653,UnboundandhydraulicallyboundmixturesPart53:Methodforthemanufactureoftest specimensofhydraulicallyboundmixturesusingaxialcompression. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimpleme
25、ntthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, SlovakRepublic,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN1328646:2003(E) 5 1Scope ThisEuropeanStandardspecifiesthemethodforthede
26、terminationofthemoistureconditionvalueofmixtures. Themoistureconditionvaluetestdeterminesthesuitabilityofamixtureforplacing,compactionandtraffickingby constructionequipment. TheEuropeanStandardisapplicabletothetestingoflaboratorypreparedorproductionmixturesandtomixtures susceptibletocrushingduringco
27、mpaction. Thetestsareappropriatetothatpartofthemixtureuptoamaximumparticlesizeof20mm. 2 Normativereference ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.F
28、or datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN10975, Testsformechanicalandphysicalpropertiesofaggrega
29、tesPart5:Determinationofthewater contentbydryinginaventilatedoven. 3 Termanddefinition ForthepurposesofthisEuropeanStandard,thefollowingtermanddefinitionapply. 3.1 moistureconditionvalue valuedescribingthemoisturestateofamixturerelativetoitscompactability 4Principle Thetestinvolvesthedeterminationof
30、thecompactiveeffortnecessaryintermsofthenumberofblowsofarammer toalmostfullycompactasampleofthemixtureundertest. NOTE Thetestisbasedonthefactthatrelationsbetweendensityandmoisturecontentproducedbydifferentcompactive effortstendtoconvergeasthemoisturecontentincreases. Asampleofthemixtureisplacedinamo
31、uldandthepenetrationoftherammerintothemouldismeasuredat variousstagesofcompaction.Thepenetrationoftherammeratanygivennumberofblowsiscomparedwiththe penetrationforfourtimesasmanyblowsandthechangeinpenetrationisdetermined.Thechangeinpenetrationis plottedagainstthelogarithm(tothebase10)ofthenumberofblo
32、wscorrespondingtoachangeinpenetrationof 5mmintheplottedcurve. 5Apparatus 5.1 Moistureconditionapparatus Themoistureconditionapparatusshallincludeaframe,amould,arammer,aseparatingdiscandameansof measuringthepenetrationorprotrusionoftherammertoanaccuracyof0,1mm. NOTE Themainfeaturesofthemoisturecondit
33、ionapparatusareshowninFigure1.EN1328646:2003(E) 6 5.1.1 Frame,includingthebaseandguiderods,ofrobustconstruction.Themassofthebaseshallbeatleast 31kg.Ameansofpositivelylocatingthemouldonthebaseshallbeprovided. NOTE Providedtherammercanfallverticallyandfreely,nospecialgroundsupportorplinthisrequired. 5
34、1.2 Mouldcylinder,detachablefromthemouldbaseandsodesignedthat,whendetached,theinternalbore shallbeuninterruptedthroughoutitslength.Themouldshallbepermeableatthebase. Thepermeabilityshallbesuchthatwaterdischargesfromthemould,whenmaintainedataconstantheadof 175mmabovethebaseofthemould,atarateofbetwee
35、n4l/minand7l/min. Theinnersurfaceofthemouldcylindershallhaveaprotectivecoating. Theinternaldiameterofthemouldshallbebetween100,00mmand100,10mm.Theinternalheightofthemould shallbeatleast200mm. 5.1.3 Rammer, withatotalmassoftherammerincludingguidanceandliftingattachmentsof(7,00 0,05)kg. Thediameteroft
36、hebottomfaceoftherammershallbebetween96,95mmand97,00mm;nootherpartofthe rammerwhichentersthemouldshallexceedthisdiameter. Thebottomfaceoftherammershallbeflatexceptforanyfixingandlocatingdevices. Therammershallhaveaguidancesystemwhich,whilenotimpairingtheabilitytoachievethenearfreefall requirements,e
37、nsuresthattherammerdoesnotstrikethemouldcylinderduringthetest.Therammershallfall freelywithminimalfrictionlossesfromtheguidancesystembetweenthereleasepointandthesurfaceofthe sampleinthemould. Theguidanceandliftingattachmentsshallbedesignedsothatthebottomfaceoftherammeriscapableof penetratingtowithin
38、35mmofthebottomofthemould. Ascaleordepthgaugeshallbeprovidedandattachedtotherammer.Thescale,inassociationwithavernier placedonthetopsurfaceofthemouldcylinder,shallallowthepenetrationoftherammerintothemouldtoberead towithin0,1mm.Alternatively,adepthgaugecapableofbeingreadto0,1mmmaybeprovidedtomeasure
39、the lengthoframmerprotrudingabovethetopofthemould. Alightweightrigiddiscofappropriatematerial,e.g.fibre,withaminimumdiameterof99,10mmandapproximate thicknessof5mm,shallbeprovidedtoseparatethesampleinthemouldfromthebottomfaceoftherammer. 5.1.4 Liftingsystem, withanautomaticlatchwhichengagestherammerl
40、iftingattachmentatthelowerlimitof travel,andwhichreleasestherammeratapresetlevelattheupperlimitoftravel. NOTE Anautomaticcountertoindicatethenumberoftimesthattherammerhasbeenreleasedcanbeprovided. Thepositionoftherammerreleaseactuatorshallbeadjustablesuchthattherequiredheightofdroptothesurface ofthe
41、sampleshallbemaintained.Therammerreleaseactuatorshallbepositivelylocatedinanyofanumberof positionssuchthatthedesiredheightofdropisachievedtowithin 5mm. Anindicatorsystemregisteringtheheightofdropshallrelatetherammerreleasepointtothelowerlimitoftravelof therammer,i.e.whenatrestonthesurfaceofthesample
42、 Theheightofdropindicatorandtheheightofdropshallbeadjustablebetween100mmand260mm. Therammershallbecapableofbeingreleasedataheightsuchthatthebottomfaceoftherammerisatleast 250mmabovethetopofthemouldcylinder. 5.2 Balance,c apableofreadingto1gfortestscarriedoutinthelaboratory. NOTE Fortestscarriedouti
43、ntheopenadjacenttotheworks,andwhentheproportionofmixtureretainedonthe20mm sieveisnotrequiredtobeweighed,abalancewitharesolutionof20gisadequate,e.g.arobustspringbalance.EN1328646:2003(E) 7 5.3 20mmtestsieveandreceiver. 5.4 Corrosionresistantmetalorplastictray,withsides,ofapprox.80mmdeep,ofasizesuitableforthe quantityofmaterialtobeused. 5.5 Apparatusforextractingspecimensfromthemould(optional
