1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12970:2000 The Euro
2、pean Standard EN 12970:2000 has the status of a British Standard ICS 91.100.50; 93.080.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Mastic asphalt for waterproofing Definitions, requirements and test methodsThis British Standard, having been prepared under the direction
3、of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on 15 November 2000 BSI 11-2000 ISBN 0 580 34947 0 BS EN 12970:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British
4、 Standard is the official English language version of EN 12970:2000. The UK participation in its preparation was entrusted by Technical Committee B/546, Flexible sheets for water and water vapour control, to Subcommittee B/546/7, Mastic asphalt for building purposes, which has the responsibility to:
5、 aid enquirers to understand the text; present to the responsible 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. A list of organizations repres
6、ented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspon
7、dence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of
8、 itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 16, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EURO
9、PEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12970 September2000 ICS91.100.50;93.080.20 Englishversion MasticasphaltforwaterproofingDefinitions,requirementsand testmethods AsphaltecoulpourtanchitDfinitions,spcifications etmthodesdessai GuasphaltundAsphaltmastixfrAbdichtungen Definitionen,Anforderung
10、enundPrfverfahren ThisEuropeanStandardwasapprovedbyCENon5July2000. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnationa
11、l standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusas
12、t heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION
13、EUROPISCHESKOMITEEFRNORMUNG CentralSecretariat:ruedeStassart,36B1050Brussels 2000CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN12970:2000EPage2 EN12970:2000 Contents Page Foreword3 1 Scope 4 2 Normativereferences 4 3 Definitionsanddescriptionofthe
14、materials .4 3.1 TerminologyVocabulary .4 3.2 Classificationofmasticasphaltsforwaterproofing . .5 4 Characteristicsofthecomponents. .5 4.1 Naturalrockasphaltsandnaturalasphalts 5 4.2 Bituminousbinders .6 4.3 Aggregates .6 4.4 Reusablemasticasphalt . 7 4.5 Additives.7 5 Compositioncharacteristicsofmi
15、xes .8 5.1 Composition .8 5.2 Testmethods 9 5.3 Performancerequirements .9 6 Manufactureofmasticasphalt . 10 6.1 Storageofcomponents. 10 6.2 Mixingofcomponents .10 6.3 Additionofreusablemasticasphalt . .11 7 Transport 11 8 Evaluationofconformity(typetestingandfactoryproductioncontrol) .12 9 Identifi
16、cation.12 AnnexA (informative) Recommendedperformancerequirementsforfineandcoarseaggregatemastic asphalts.13 AnnexB (informative) Determinationofdimensionalstabilityofpolymermodifiedmasticasphalts .15Page3 EN12970:2000 . Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC314“Masti
17、casphaltfor waterproofing“,thesecretariatofwhichisheldbyAFNOR . ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMarch2001,andconflictingnationalstandardsshallbewithdrawnatthelatestby March2001. AccordingtotheCEN/CENELECIn
18、ternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom.Page4 EN12
19、970:2000 1Scope ThisEuropeanstandardspecifiesmasticasphaltsforwaterproofing,statestheircharacteristics,thetestmethodsto beusedtoverifythesecharacteristics,andtheirmanufacturingandtransportrecommendations. Itappliestomasticasphaltsusedforwaterproofingorbyapplicationonpolymerbitumensheetsintheconstruc
20、tion andcivilengineeringfields,suchasroofing,parking,tanking,bridgedecks(concreteandsteel).Itdoesnotinclude functionalrequirementstotheinstalledproducts. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesareciteda
21、ttheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies. EN1871, Ro
22、admarkingmaterialsPhysicalproperties. EN12591, BitumenandbituminousbindersSpecificationsforpavinggradebitumen. EN1426, BitumenandbituminousbindersDeterminationofneedlepenetration. pEN13305, BitumenandbituminousbindersSpecificationsofhardgradebitumen. prEN13043,Aggregatesforbituminousmixturesandsurfa
23、cedressingsforroadsairfieldsandothertrafficked areas. prEN131086, BituminousmixturesMaterialspecificationsPart6:MasticAsphalt. prEN1310810, BituminousmixturesQualityPart10:Factoryproductioncontrol. prEN1269720, BituminousmixturesPart20:TestmethodsforhotmixasphaltResistancetoindentationof masticaspha
24、lt,indentationtestoncubes. prEN1269721, BituminousmixturesPart21:TestmethodsforhotmixasphaltResistancetoindentationof masticasphalt,indentationtestonplates. 3 Definitionsanddescriptionofthematerials 3.1 TerminologyVocabulary Forthepurposesofthisstandard,thefollowingdefinitionsapply: 3.1.1 masticasph
25、alt(generaldefinition) densemassconsistingofchippings,and/orsand,and/orlimestonefineaggregate,and/orfillerandbitumenwhich maycontainadditives Themineralaggregateiscomposedtobeoflowvoidcontent.Thebindercontentissoadjustedtothevoidcontent ofthemineralaggregatethatthevoidsarecompletelyfilledandaslighte
26、xcessofbindermaybeavailable. Masticasphaltispourableandabletobespreadinhishotcondition.Itrequiresnocompactiononplacement. 3.1.2 fineaggregatemasticasphalt gradeofmasticasphaltconsistingoffillerand/orlimestonefineaggregateand/ornaturalrockasphaltpowder and/orsandandbitumen.Bitumenandmasticasphaltmayc
27、ontainadditivesPage5 EN12970:2000 . 3.1.3 coarseaggregatemasticasphalt gradeofmasticasphaltconsistingoffillerand/orsandand/orlimestonefineaggregatesand/ornaturalrockasphalt powderandcoarseaggregates,andbitumen.Bitumenandmasticasphaltmaycontainadditives 3.2 Classificationofmasticasphaltsforwaterproof
28、ing Fineaggregatemasticasphalts Mainlyusedforwaterproofinglayers. Containingfineaggregateinanyofthefollowingcombinations: naturalrockasphaltpowder; fillers ; limestonefineaggregate; sand. NOTE1 Roofinggrade,fineaggregatemasticasphaltmayalsocontainaproportionofaggregateupto4mmsize(see Table3a,types3a
29、nd5). NOTE2 Limestonefineaggregatemaynotcomplyfullywiththedefinitioninsubclause3.13ofprEN13043inthatthe proportionpassinga0,063mmsievemaymarginallyexceed50%. Coarseaggregatemasticasphalts Mainlyusedforwaterproofinglayersorprotectionlayersand/ortrafficableprotectionlayers. Containingcoarseaggregatean
30、dfineaggregateinanyofthefollowingcombinations: naturalrockasphaltpowder; limestonefineaggregate; filler ; sand ; coarse aggregate. 4 Characteristicsofthecomponents Forspeciallayersneedingacidresistingmasticasphalts,siliciousand/origneousaggregatesmustbeused. 4.1 Naturalrockasphaltsandnaturalasphalts
31、 4.1.1 Naturalrockasphalt Generallylimestone,naturallyimpregnatedwithbitumen.Page6 EN12970:2000 Table1Requirementsonnaturalrockasphalts Components Requiredcontent (weight) Solublenativebitumen 6% CaCO 3 fromthemineralfraction 80% 4.1.2 Naturalrockasphaltpowder Afterbitumenhasbeenextracted,theconstit
32、uantsoftheresidualcrushedpowdershallpassthroughsquaremesh sievesof: 2,00mm:100%; 0,063mm:80%minimum. 4.1.3Natural asphalts Naturaloccuringbitumens,containingfines. Table2Requirementsonnaturalasphalts Components Requiredsolublebitumen content (weight) Solublebitumen 50% Mineralaggregate 50% NOTE Exam
33、plesofsuchnaturaloccuringmaterialsare“LakeAsphalt”GilsoniteandSelenitza.Themostwidelyused naturalasphaltis“TrinidadLakeAsphalt”(commonlyabbreviatedto“TLA”). 4.2Bituminous binders Thepenetrabilityofcommonlyusedbitumenformasticasphaltsshallbecomprisedbetween6and220,1/10mm. 4.2.1 Pavinggradebitumen Con
34、formingtoEN12591. 4.2.2 Modifiedbitumen ConformingtoEN1426. 4.2.3 Hardgradebitumen ConformingtoprEN13305. 4.3Aggregates 4.3.1Added fillers Addedfillers,componentsofmasticasphalt,maybeissuedfrom: crushednaturalrockmaterialsuchaslimestonerock,silicarock,igneousrock; rockasphaltpowder;Page7 EN12970:200
35、0 . dustextractorrecovering. Whatevertheirorigin,fillersshallcomplywiththerequirementsofTable10ofprEN13043. 4.3.2 Limestonefineaggregates Limestonefineaggregateshallconsistofnaturallyoccuringlimestonewithacalciumcarbonatecontentofnotless than80%bymass. Inlimestonefineaggregates,asubstantialproportio
36、nisretainedona0,063mmsievemostofwhichpassesa 2mmsieve.LimestonefineaggregatemaynotcomplyfullywiththedefinitionofprEN13 043inthattheproportion passinga0,063mmsievemaymarginallyexceed50%. 4.3.3 Fineaggregates(sand) FineaggregatesshallcomplyasappropriatewithprEN13043. 4.3.4 Coarseaggregates Coarseaggre
37、gatesshallcomplyasappropriatewithprEN13043. 4.4 Reusablemasticasphalt Reusablemasticasphaltmayonlybeaddedtothemanufactureofnewmasticasphaltforprotectionlayers. Whenused,theamountandcompositionofreusablematerialshall: notcontainothermaterialsthanmentionedinthisstandard; besuitableforthetype/specifica
38、tionrequiredwithinpermissibletolerancesfornewmasticasphalt. 4.5Additives Theapplicationandusageofmasticasphaltsandthelayingconditionssometimesrequiretheuseofadditives suchas: rubber ; polymers (granular/powder/liquid) ; fibres ; pigments ; waxes ; othersuitableadditives.Page8 EN12970:2000 Theadditiv
39、esshallbeuniformlydistributedinthebitumenormasticasphalt;moreover,theyshallnotbeharmfulto theenvironment,beconsistentwithbitumenandthermalresistantandtheyshallhavenonegativeinfluenceon otheressentialmasticasphaltproperties. 5 Compositioncharacteristicsofmixes 5.1Composition Themixdesignshallconsider
40、theusage,trafficandclimaticconditionstowhichthemasticasphaltistobe subjected. Tomeettheperformancerequirements,thefollowinggeneralcriteriashallbeasindicatedinTables3a)and3b): Table3aRequirementsonfineaggregatemasticasphalt MAtype Fineaggregatemasticasphalt Componentsin%bymass Mixtypes Components Typ
41、e1 Type2 Type3 Type4 Type5 Fines 2560 Rockasphaltpowder 80 Limestonefineaggregate 85 100 80 Fineaggregate 4075 20 or 20 Coarseaggregate 0 0 15 0 20 Bindercontent a 1322 16 11 12 10 Bitumentype b 20/30upto 35/50 30/50 30/50 15/25 160/220or or or or or PmB c PmB PmB PmB PmB aSolublebitumencontentrelat
42、edtototalmassofmix. bHardgradeorindustrialgradebitumenswhichhaveapenetrationofnotlessthan0,6mmmaybeadded,providedthepenetrati onofthefinal binderblendusedtomanufacturethemasticasphaltcomplieswiththefiguresquotedinthetable. cPolymermodifiedbitumen Type1 Finesbasedfineaggregatemasticasphalt. Type2 Roc
43、kasphaltpowderbasedfineaggregatemasticasphalt. Type3 Limestonefineaggregatebasedfineaggregatemasticasphalt. Type4 Tankinggradelimestonefineaggregatemasticasphalt. Type5 Limestonefineaggregatebasedfineaggregatemasticasphaltforpedestrianaccesswalkways.Page9 EN12970:2000 . Table3bRequirementsoncoarseag
44、gregatemasticasphalt MAtype Coarseaggregatemasticasphalt Componentsin%bymass Mixtypes Components 0/4 0/6 0/8 0/10 0/11 0/14 0/16 Fines 2030 1530 1528 1528 1528 1528 Rock asphalt powder 2560 c 2435 or 2560 Limestone fine aggregate 6075 5075 5075 4570 4570 4055 Fine aggregate 2550 2040 2040 2045 2045 1237 1237 Coarse aggregate 2540 2045 2550 3050 2
