BS EN 12390-1-2021 硬化混凝土试验 样品和模型的形状、尺寸和其它要求

BSEN12390-1:2021

BSIStandardsPublication

Testinghardenedconcrete

Part1:Shape,dimensionsandotherrequirementsforspecimensandmoulds

bsi.

BSEN12390-1:2021BRITISHSTANDARD

Nationalforeword

ThisBritishStandardistheUKimplementationofEN12390-1:2021.ItsupersedesBSEN12390-1:2012,whichiswithdrawn.

TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeB/517/1,Concreteproductionandtesting.

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◎TheBritishStandardsInstitution2021

PublishedbyBSIStandardsLimited2021

ISBN9780539053517

ICS91.100.30

CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.

ThisBritishStandardwaspublishedundertheauthorityofthe

StandardsPolicyandStrategyCommitteeon31July2021.

Amendments/corrigendaissuedsincepublication

DateTextaffected

EUROPEANSTANDARD

NORMEEUROPEENNEEUROPÄISCHENORM

EN12390-1

July2021

ICS91.100.30SupersedesEN12390-1:2012

EnglishVersion

Testinghardenedconcrete-Part1:Shape,dimensionsandotherrequirementsforspecimensandmoulds

Essaispourbétondurci-Partie1:

Forme,dimensionsetautresexigences

auxéprouvettesetauxmoules

PrüfungvonFestbeton-Teil1:Form,Maßeund

andereAnforderungenfürProbekörperundFormen

ThisEuropeanStandardwasapprovedbyCENon7June2021.

CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographical

referencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentreortoanyCENmember.

ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguage

madebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.

CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,

Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TurkeyandUnitedKingdom.

EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATION

EUROPÄISCHESKOMITEEFURNORMUNG

CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels

◎2021CENAllrightsofexploitationinanyformandbyanymeansreservedRef.No.EN12390-1:2021:E

worldwideforCENnationalMembers

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ContentsPage

Europeanforeword ii

1Scope 5

2Normativereferences 5

3Termsanddefinitions 5

4Shape,dimensionsandtolerancesofspecimens 5

4.1General 5

4.2Cubes 6

4.2.1Nominalsizes 6

4.2.2Designatedsizes 6

4.2.3Tolerances 6

4.3Cylinders 6

4.3.1Nominalsizes 6

4.3.2Designatedsizes 7

4.3.3Tolerances 7

4.3.4Applicabilityoftolerances 7

4.4Prisms 7

4.4.1Nominalsizes 7

4.4.2Designatedsizes 7

4.4.3Tolerances 7

4.5Measurementofdimensionsandshapeofspecimens 8

5Moulds 8

5.1General 8

5.2Calibratedmoulds 8

5.2.1General 8

5.2.2Calibratedmouldsforcubicalspecimens 9

5.2.3Calibratedmouldsforcylindricalspecimens 9

5.2.4Calibratedmouldsforprismaticspecimens 9

AnnexA(normative)ApplicationofENISO1101toconcretetestspecimensandmoulds 10

AnnexB(normative)Assessmentofflatnessofspecimensandmoulds 12

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Europeanforeword

Thisdocument(EN12390-1:2021)hasbeenpreparedbyTechnicalCommitteeCEN/TC104"Concreteandrelatedproducts",thesecretariatofwhichisheldbySN.

ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyJanuary2022,andconflictingnationalstandardsshallbewithdrawnatthelatestbyJanuary2022.

Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.

ThisdocumentsupersedesEN12390-1:2012.

Thefollowingamendmentshavebeenmadetotheformeredition:

—editorialrevision;

—increasesintheallowabletolerancesforflatnessofmouldsandthedimensionsofthespecimenswhichreflectcurrentindustrypractice.

Thisdocumentisoneofaseriesontestingconcrete.

EN12390,Testinghardenedconcrete,consistsofthefollowingparts:

一Part1:Shape,dimensionsandotherrequirementsforspecimensandmoulds;

一Part2:Makingandcuringspecimensforstrengthtests;

一Part3:Compressivestrengthoftestspecimens;

一Part4:Compressivestrength-Specificationfortestingmachines;

一Part5:Flexuralstrengthoftestspecimens;

一Part6:Tensilesplittingstrengthoftestspecimens;

一Part7:Densityofhardenedconcrete;

一Part8:Depthofpenetrationofwaterunderpressure;

-Part10:Determinationofthecarbonationresistanceofconcreteatatmosphericlevelsofcarbondioxide;

一Part11:Determinationofthechlorideresistanceofconcrete,unidirectionaldiffusion;

一Part12:Determinationofthepotentialcarbonationresistanceofconcrete:Aceleratedcarbonationmethod;

一Part13:Determinationofsecantmodulusofelasticityincompression;

一Part14:Semi-adiabaticmethodforthedeterminationofheatreleasedbyconcreteduringitshardeningprocess;

-Part15:Adiabaticmethodforthedeterminationofheatreleasedbyconcreteduringitshardeningprocess;

一Part16:Determinationofshrinkageofconcrete;

一Part17:Determinationofcreepofconcreteincompression;

一Part18:Determinationofthechloridemigrationcoefficient(inpreparation).

Thisdocumentrecognizesalternativeapproachestowardsobtainingtestspecimensofthecorrectsizesandshapes.Thefirstistousemouldswhoselivesarelimitedandtomeasurethespecimenstoensure

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conformity.Thesecondistocastspecimensincalibratedmetalmouldswhichmeettightertolerancesthanforspecimens.Theuseofcalibratedmouldsallowsrelaxationontherequirementformeasuringthespecimens.

AnnexAgivestheapplicationofENISO1101tomeasuringtheshapesofconcretetestspecimensandmoulds.

AnnexBgivesamethodtomeasuretheflatnessofspecimensandmoulds.

Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusers'nationalstandardsbody.AcompletelistingofthesebodiescanbefoundontheCENwebsite.

AccordingtotheCEN-CENELECInternalRegulations,thenationalstandardsorganisationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Republic

ofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TurkeyandtheUnitedKingdom.

BSEN12390-1:2021

EN12390-1:2021(E)

5

1Scope

Thisdocumentspecifiestheshapes,dimensionsandtolerancesofcastconcretetestspecimensintheformofcubes,cylindersandprisms,andofthemouldsrequiredtoproducethem.

NOTEThetolerancesspecifiedinthisdocumentarebasedontheneedsofstrengthtesting,buttheycanbeapplicabletotestsforotherproperties.

2Normativereferences

Thefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.

ENISO1101,Geometricalproductspecifications(GPS)-Geometricaltolerancing-Tolerancesofform,orientation,locationandrun-out(ISO1101)

EN206,Concrete-Specification,performance,productionandconformity

3Termsanddefinitions

Forthepurposesofthisdocument,thetermsanddefinitionsgiveninENISO1101andthefollowingapply.

ISOandIECmaintainterminologicaldatabasesforuseinstandardizationatthefollowingaddresses:

—IECElectropedia:availableat

/

—ISOOnlinebrowsingplatform:availableat

/obp

3.1

nominalsize

commonlyuseddescriptionofspecimensize

3.2

designatedsize

specimensizeinmillimetres,selectedanddeclaredbytheuserofthisstandardfromamongsttheallowedrangeofnominalsizes

4Shape,dimensionsandtolerancesofspecimens

4.1General

ForapplicationofENISO1101tothemeasurementofconcretetestspecimensandmouldsinrespecttoflatness,perpendicularityandstraightness,seeAnnexA.

Foreachshapeoftestspecimen,cube,cylinderandprism,thenominalsized(Figures1,2and3)shouldbechosentobeatleastthreeandahalftimesthemaximumaggregatesize(DmaxaccordingtoEN206)intheconcrete.

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4.2Cubes

4.2.1Nominalsizes

d,mm

100

150

200

250

300

Figure1-Cube-nominalsizes

4.2.2Designatedsizes

Designatedsizesmaybeselectedwithin±10%ofthenominalsize.

4.2.3Tolerances

Betweenmouldedsurfacesthetoleranceonthedesignatedsize(d)is1,0%.

Betweenthetoptrowelledfaceandthemouldedbottomfacethetoleranceonthedesignatedsizeis1,5%.

Thetoleranceontheflatnessofthepotentialloadbearingsurfacesis0,0006dmm(seeAnnexB).

Thetoleranceontheperpendicularityofthesidesofthecube,withreferencetothebase,ascast,is0,5mm.

4.3Cylinders

4.3.1Nominalsizes

d,mm

100

113a

150

200

250

300

Figure2-Cylinder-nominalsize

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4.3.2Designatedsizes

Designatedsizesmaybeselectedwithin±10%ofthenominalsize.

4.3.3Tolerances

Thetoleranceonthedesignateddiameter(d)is1,0%.

Thetoleranceontheflatnessoftheload-bearingsurfaceis0,0006dmm(seeAnnexB).

Thetoleranceontheperpendicularityoftheside,withreferencetotheendfaces,is0,007dmm.

Thetoleranceontheheight(2d)is5%.

Forspecimenstobeusedforthetensilesplittingstrengthtest,thestraightnesstoleranceonthegeneratinglineofthecylinderis0,2mm.

4.3.4Applicabilityoftolerances

Specimenswithmouldedendfaces,orwithendfacesadjustedbygrinding,shallconformto4.3.3.

Specimenswithendfacesadjustedusingsulfurcapping,highaluminacementcapping,orsimilarcappingshallconformto

beforecappingandto

,

and

after

capping.

Specimenswithendfacesadjustedusingthesandboxmethodorsimilarmethodsshallconformto

and

beforecappingandto

afterfixingthebox(es).

4.4Prisms

4.4.1Nominalsizes

d,mm

70

100

150

200

250

300

Figure3-Prism-nominalsizes

4.4.2Designatedsizes

Designatedsizes(d)maybeselectedwithin±10%ofthenominalsizes.

4.4.3Tolerances

Betweenmouldedsurfaces,thetoleranceonthedesignatedsize(d)is1,0%.

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Betweenthetoptrowelledfaceandthebottommouldedface,thetoleranceonthedesignatedsizeis1,5%.

Thetoleranceontheperpendicularityofthesidesoftheprismwithreferencetothebase,ascast,is0,5mm.

Thetolerancesonthestraightnessofthelineonthesurfacetobeincontactwiththerollersintheflexuralstrengthtestis0,3mm.

Forspecimenstobeusedforthetensilesplittingstrengthtest,thestraightnesstoleranceontheloadbearingsurfaceis0,3mm.

4.5Measurementofdimensionsandshapeofspecimens

4.5.1Unlessspecimenshavedocumentationtoshowthattheyhadbeenmadeincalibratedmoulds,theyshallbemeasuredorcheckedforconformityto4.2,4.3or4.4asappropriate.

NOTEGo/no-gogaugesorothersuitablemethodcanbeusedtocheckdimensions.

4.5.2Ifspecimenshavedocumentationtoshowthattheyhavebeenmadeincalibratedmoulds,onlytherequirementsof

and

or

,

and

or

,

,forcubes,cylinder

orprisms,respectively,shallbechecked.

NOTE1Go/no-gogaugesorothersuitablemethodcanbeusedtocheckdimensions.

NOTE2Ifasurface,calibratedwithrespecttoflatness,isusedtoformtheloadbearingsurfaceofcylinders,neednotbeperformed.

NOTE3Guidanceonthemeasurementofflatnessofload-bearingsurfacesisgiveninAnnexB.

5Moulds

5.1General

Mouldsshallbewatertightandnon-absorbent.

NOTEThejointsofmouldscanbecoatedwithwax,oilorgreasetoachievewater-tightness.

Moulds,otherthancalibratedmouldsinaccordancewith5.2,maybemadefromanymaterialwhichissuitableforproducingconcretespecimens.

5.2Calibratedmoulds

5.2.1General

Calibratedmouldsshallbemadeofsteelorcastiron,whichshallbethereferencematerials.Ifmouldsaremanufacturedfromothermaterials,in-useperformancetestdatashallbeavailablewhichdemonstrateslong-termequivalencewithsteelorcastironcalibratedmoulds.

Allpartsofcalibratedmouldsshallbesufficientlyrobusttopreventdistortiononassemblyandinuse.Thecomponentsofthemould,withthepossibleexceptionofthebaseplate,shallhaveidentificationmarks.

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5.2.2Calibratedmouldsforcubicalspecimens

Mouldsshallbesuitableforproducingspecimensconformingto4.2.

Thetoleranceonthedesignatedsize(d)ofanassembledmouldis0,5%.

Thetoleranceontheflatnessofthefoursidefacesofthemouldis0,0006dmm.

Thetoleranceontheflatnessofthetopsurfaceofthebaseplateofthemouldsis0,001dmm.

Thetoleranceontheperpendicularityofthesidesofamouldwithrespecttotheadjacentsidesandofthesidesinrelationtothebaseis0,5mm.

NOTEIfnecessary,theflatnesstolerancecanbemeasuredwiththemoulddisassembled(seeAnnexB).

5.2.3Calibratedmouldsforcylindricalspecimens

Mouldsshallbesuitableforproducingspecimensconformingto4.3.

Thetoleranceonthedesignateddiameter(d)andthedesignatedheight(2d)is0,5%.

Thetoleranceontheflatnessofabaseofamouldis0,0006dmm.

Thetoleranceontheperpendicularityofthesideofamouldwithrespecttothebaseis0,5mm.NOTEIfnecessary,theflatnesstolerancecanbemeasuredwiththemoulddisassembled(seeAnnexB).

5.2.4Calibratedmouldsforprismaticspecimens

Mouldsshallbesuitableforproducingspecimensconformingto4.4.

Thetoleranceonthedesignateddepthandwidth(d)ofanassembledmouldis0,5%.

Thetoleranceontheflatnessoftheinternalsidesis0,002dmm.

Thetoleranceontheflatnessofthetopsurfaceofthebaseplateofthemouldis0,004dmm.

Formouldsurfaceswithdimensionsexceeding150mm,theflatnesstolerancesin

and

shallapplyoverany

150mmlength.

Thetoleranceontheperpendicularityofthesidesofamouldwithrespecttothebaseis0,5mm.NOTEIfnecessary,theflatnesstolerancecanbemeasuredwiththemoulddisassembled(seeAnnexB).

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AnnexA

(normative)

ApplicationofENISO1101toconcretetestspecimensandmoulds

A.1General

ENISO1101describesthegeometrictolerancingofdrawings.FiguresA.1,A.2andA.3showparticularapplicationsofthestandardtothemeasurementofconcretetestspecimensandmoulds.

A.2Flatness

Key

1flatnesstoleranceatanypointacrosstheface

2surfacetowhichflatnesstoleranceapplies

FigureA.1-Measurementofflatness

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A.3Perpendicularity

Key

1perpendicularitytolerance

2surfacestowhichperpedicularitytoleranceapplies

3adjacentsurfaceasdatumsurface

FigureA.2—Measurementofperpendicularity

A.4Straightness

Key

1straightnesstoleranceofthelineontheload-bearingsurface

2linetowhichthestraightnesstoleranceisapplied

FigureA.3—Measurementofstraightness

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AnnexB

(normative)

Assessmentofflatnessofspecimensandmoulds

Forthepurposeofthisdocument,flatnessshallbeassessedbythemeasurementofstraightnessinfourpositions,asshowninFigureB.1,forcircularorrectilinearsurfaces.Othermethodsgivingatleastthesamedegreeofaccuracymaybeused.

FigureB.1-Measurementpatternforflatnessofcircularandrectilinearsurfaces

Thetoleranceonstraightnessshallbeequaltothetoleranceontheflatnessspecifiedin4.2,4.3or

4.4asappropriate,forspecimens,andin5.2.2,5.2.3and5.2.4,asappropriate,formoulds.

NOTEAsteelstraight-edgeofrectangularsection,andfeelergauges,withblades0,03mmto1,00mmthick,areconsideredsuitableforthismeasurement,whichcharacteristicscouldbedefinedonanationallevel.

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