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    BS EN 13286-49-2004 Unbound and hydraulically bound mixtures - Accelerated swelling test for soil treated by lime and or hydraulic binder《松散的和液力粘合的混合料 石灰和 或水硬性粘合料处理的土壤用加速膨胀试验》.pdf

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    BS EN 13286-49-2004 Unbound and hydraulically bound mixtures - Accelerated swelling test for soil treated by lime and or hydraulic binder《松散的和液力粘合的混合料 石灰和 或水硬性粘合料处理的土壤用加速膨胀试验》.pdf

    1、BRITISH STANDARD BS EN 13286-49:2004 Unbound and hydraulically bound mixtures Part 49: Accelerated swelling test for soil treated by lime and/or hydraulic binder The European Standard EN 13286-49:2004 has the status of a British Standard ICS 93.080.20 BS EN 13286-49:2004 This British Standard, was p

    2、ublished under the authority of the Standards Policy and Strategy Committee on 18 March 2004 BSI 18 March 2004 ISBN 0 580 43564 4 National foreword This British Standard is the official English language version of EN 13286-49:2004. The UK participation in its preparation was entrusted by Technical C

    3、ommittee B/510, Road materials, to Subcommittee B/510/4, Cementitous bound materials, unbound granular materials, waste materials and marginal materials, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-refer

    4、ences The British Standards which implement international 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

    5、 Standards Online. This publication does not purport 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 t

    6、o the responsible international/European committee 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 insid

    7、e front cover, the EN title page, pages 2 to 11 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1328649 March2004 ICS93.080.20

    8、 Englishversion UnboundandhydraulicallyboundmixturesPart49: Acceleratedswellingtestforsoiltreatedbylimeand/orhydraulic binder Mlangesnontraitsetmlangesbasedeliant hydrauliquePartie49:Essaidegonflementacclrpour lessolstraitslachauxet/oulianthydraulique UngebundeneundhydraulischgebundeneGemischeTeil 4

    9、9:BeschleunigteQuellprfungvonmitKalkund/oder hydraulischemBindemittelbehandeltemBoden ThisEuropeanStandardwasapprovedbyCENon9January2004. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalt

    10、eration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmembe

    11、rintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norwa

    12、y,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnati

    13、onalMembers. Ref.No.EN1328649:2004:EEN1328649:2004(E) 2 Contents page Foreword. 3 1 Scope . 5 2 Normativereferences . 5 3 Termsanddefinitions. 5 4 Principle. 5 5 Apparatus 5 6 Procedure 6 6.1 Productionofthetestspecimens . 6 6.2 Storageofthetestspecimens. 7 6.2.1 Treatmentwithlimealone. . 7 6.2.2 Tr

    14、eatmentwithahydraulicbinderorhydraulicbinderinassociationwithlime. 7 6.3 Measurementoftheexpansionofthetestspecimens . 7 7 Calculationandexpressionoftheresults . 8 8 Testreport . 9 AnnexA (informative) Exampleofatestreport 10 Bibliography . 11EN1328649:2004(E) 3 Foreword Thisdocument(EN1328649:2004)

    15、hasbeenpreparedbyTechnicalCommitteeCEN/TC 227“Road materials”,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical testorbyendorsement,atthelatestbySeptember2004,andconflictingnationalstandardsshallbe withdrawnatthelatestbyDe

    16、cember2004. ThisEuropeanstandardisoneofaseriesofstandardsaslistedbelow. EN132861, UnboundandhydraulicallyboundmixturesPart1:Testmethodsforlaboratoryreference densityandwatercontentIntroduction,generalrequirementsandsampling . prEN132862, UnboundandhydraulicallyboundmixturesPart2:Testmethodsforlabora

    17、toryreference densityandmoisturecontentProctorcompaction . EN132863, UnboundandhydraulicallyboundmixturesPart3:Testmethodsforlaboratoryreference densityandwatercontentVibrocompressionwithcontrolledparameters . EN132864, UnboundandhydraulicallyboundmixturesPart4:Testmethodsforlaboratoryreference dens

    18、ityandwatercontentVibratinghammer . EN132865, UnboundandhydraulicallyboundmixturesPart5:Testmethodsforlaboratoryreference densityandwatercontentVibratingtable . EN132867, UnboundandhydraulicallyboundmixturesTestmethodsPart7:Cyclicloadtriaxialtestfor unboundmixtures. EN1328640, Unboundandhydraulicall

    19、yboundmixturesPart40:Testmethodforthedeterminationofthe directtensilestrengthofhydraulicallyboundmixtures . EN1328641, UnboundandhydraulicallyboundmixturesPart41:Testmethodforthedeterminationofthe compressivestrengthofhydraulicallyboundmixtures . EN1328642, UnboundandhydraulicallyboundmixturesPart42

    20、:Testmethodforthedeterminationofthe indirecttensilestrengthofhydraulicallyboundmixtures . EN1328643, UnboundandhydraulicallyboundmixturesPart43:Testmethodforthedeterminationofthe modulusofelasticityofhydraulicallyboundmixtures . EN1328644, UnboundandhydraulicallyboundmixturesPart44:Testmethodforthed

    21、eterminationofthe alphacoefficientofvitrifiedblastfurnaceslag . EN1328645, UnboundandhydraulicallyboundmixturesPart45:Testmethodforthedeterminationofthe workabilityperiodofhydraulicallyboundmixtures. EN1328646, UnboundandhydraulicallyboundmixturesPart46:Testmethodforthedeterminationofthe moisturecon

    22、ditionvalue. EN1328647, UnboundandhydraulicallyboundmixturesPart47:Testmethodforthedeterminationof Californiabearingratio,immediatebearingindexandlinearswelling .EN1328649:2004(E) 4 prEN1328648, UnboundandhydraulicallyboundmixturesPart48:Testmethodforthedeterminationof degreeofpulverisation. EN13286

    23、49, UnboundandhydraulicallyboundmixturesPart49:Acceleratedswellingtestforsoiltreated bylimeand/orhydraulicbinders . prEN1328650, UnboundandhydraulicallyboundmixturesPart50:Methodsformakingtestspecimens usingproctorequipmentorvibratingtablecompaction . prEN1328651, Unboundandhydraulicallyboundmixture

    24、sPart51:Methodsformakingtestspecimens byvibratinghammercompaction . prEN1328652, UnboundandhydraulicallyboundmixturesMethodsformakingtestspecimensPart52: Makingspecimensbyvibrocompression . prEN1328653, UnboundandhydraulicallyboundmixturesMethodsformakingtestspecimensPart53: Makingcylindricalspecime

    25、nsbyaxialcompression . AnnexAisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Cyprus,CzechRepublic, Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,

    26、Latvia,Lithuania, Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,Switzerland andUnitedKingdom.EN1328649:2004(E) 5 1Scope ThisEuropeanStandarddescribesanacceleratedswellingtestforsoiltreatedbylimeand/orhydraulicbinder. Thetestmethodisapplicabletomixturesthathavesuf

    27、ficientfinesorcohesiontopermit,immediatelyafter manufacture,theextrusionofthespecimenfromthemouldwithoutdamage. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetext,andthepubli

    28、cationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies(includingamendments). prEN132862, Unboundandhydrauli

    29、callyboundmixturesPart2:Testmethodsforlaboratoryreference densityandmoisturecontentProctorcompaction. prEN1328653, UnboundandhydraulicallyboundmixturesMethodsformakingtestspecimensPart53: Makingcylindricalspecimensbyaxialcompression. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thefoll

    30、owingtermsanddefinitionsapply. 3.1 lime quicklimeorhydratedlime 3.2 hydraulicbinder materialoracombinationofmaterials(cement,hydraulicroadbinder,granulated/groundgranulatedblast furnaceslag,calcareous/siliceousflyash,lime)thatsetsandhardensbychemicalreactionwithwaterand remainsstable,evenunderwater

    31、4Principle Thehydraulicsettingofaspecimenoftreatedmixtureisacceleratedusingspecialstorageconditionsand expansionattheendofasetperiodoftime(maximumof14days)ismeasured. Expansionismeasuredtoassessthedimensionalstabilityofthemixture. Theexpansionisdeterminedbythechangeofapparentvolumeofthetestspecimens

    32、( d= h=50mm)over time,firststoredinasaturatedatmosphere,andthenimmersedinwaterat40Cundertheconditionsgiven inclause6. 5Apparatus 5.1 Mixertoprovidehomogeneousmixturesofmaterialswiththetreatmentproductsconsidered. 5.2 ApparatusinaccordancewithprEN1328653.EN1328649:2004(E) 6 5.3 Constanttemperaturebat

    33、hadequatetomaintainasufficientvolumeofwaterat(40 2)C for total immersionofthetestspecimenssubjecttothetest. 5.4 Balance,configuredtoweighspecimensinairandwater,whoseaccuracyiscompatiblewiththe requirementsof6.3. 5.5 Testspecimenconfinementbelts,madefromasynthetic,flexibleandwaterpermeablefabricwitht

    34、he dimensionsof(170 10)mmand49mmminimum. 5.6 Elasticbracelets. 5.7 Callipersreadabletoanaccuracyof0,02mm. 5.8 Stopwatch. 5.9 Porousstones,spongeorabsorbentpaper. 5.10 Scoops. 5.11 Trowels. 5.12 Scissors. 6Procedure 6.1 Productionofthetestspecimens Selecttheappropriatewatercontent,bindertypeandbinder

    35、content. NOTE Ifappropriate,theswellingofseveralmixturescharacterizedbydifferentwatercontentsandbindercontents canbestudiedinthesametestsequence. Removegranularparticlesgreaterthan6,3mmbeforemixing. Producethemixtureinaccordancewithpracticeattheplaceofuse,reproducingthetimeperiodsbetweenthe introduc

    36、tionofthebinder(s)andcompaction.Assessthequalityofmixingvisually(uniformityofcolourandthe granularcharacteristicsofthemixture). Thequantityofmixturetobepreparedshallbesufficienttopermittherealisationofthetestitself,andthatof theonepoint“NormalProctor”forthewatercontentandbinderdosageselected.Foragiv

    37、enmixture,these quantitiesshallnotbelessthan4,5kgwhentheProctormouldisusedandnotlessthan7kgwhenthe Californiabearingratiomouldisused. DeterminethevalueoftheonepointNormalProctorwetdensityofthemixtureinaccordancewith prEN132862. Using(96 0,5)%ofthisvalue,produceatleast3testspecimens( d= h=50mm)usinga

    38、xialcompressionin accordancewithprEN1328653. Takeeachspecimenoutofthemouldimmediatelyafterbeingmadeandstoreinaccordancewith6.2.EN1328649:2004(E) 7 6.2 Storageofthetestspecimens 6.2.1 Treatmentwithlimealone Storethespecimensfor(72 4)hat(20 2)Catmorethan90%humidity,thenimmersethementirelyfor (168 4)hi

    39、nwaterat(40 2)C. 6.2.2 Treatmentwithahydraulicbinderorhydraulicbinderinassociationwithlime Storethespecimensat(20 2)Catmorethan90%humidityforaperiodbetween1,5and2timesthe workabilityperiodofthemixture;thenimmersethementirelyfor(168 4)hinwaterat(40 2)C. NOTE Theworkabilityperiodtobeconsideredisprefer

    40、ablythatgiveninthetechnicalsheetoftheproducerofthe binder.Intheabsenceofthisinformation,thisperiodmaybeevaluatedfrompreviousexperience,ordeterminedin accordancewithprEN1328645. 6.3Measurementoftheexpansionofthetestspecimens Thevolumetricexpansionistheaverageofthevaluesmeasuredon3testspecimensascerta

    41、inedinthe followingway: Immediatelyafterdemoulding,determinetheinitialvolume V 0 ofeachofthespecimensbymeasuringwith callipers,asillustratedinFigure1,diameters d 1 , d 2 , d 3 and2heights h 1 and h 2 ,toanaccuracyof 0,1mm. Calculatethevolume V 0 (roundedtothenearest0,1mlaccordingtotheexpression: V 0

    42、 =( p /4)( d 1 + d 2 + d 3 )/3 2 ( h 1 + h 2 )/2 (1) where V 0 istheinitialvolume(immediatelyafterremovalfromthemould)ofthetestspecimen, expressedincubicmillimetres(mm 3 ); d 1 , d 2 , d 3 arethediametersofthetestspecimens,expressedinmilliimetres(mm); h 1 , h 2 aretheheightsofthetestspecimens,expres

    43、sedinmilliimetres(mm). Figure1Methodfordeterminingtheinitialvolume V 0EN1328649:2004(E) 8 Afterstorageat20Catmorethan90%humidityasdescribedin6.2.1and6.2.2,confinethetestspecimen bysurroundingitwiththefabricbelt,whichisaffixedwithoutexcessiveforcetotheoutsideofthespecimen usingtwoorthreeelasticbracelets. Thenplacethetestspecimenonaporousstoneandimmerseinwaterthermostaticallycontrolledat (40 2)C. Determinethespecimenvolumeafteraperiodofimmersio


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