ISO／DIS 22480-2：2020.docx

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1、DRAFTINTERNATIONA1STANDARDISO/DIS22480-2ISOTC269/SC1Votingbeginson:2023-09-11Secretariat:AFNORVotingterminateson:2023-12-04Rai1wayapp1ications-Concretes1eepersandbearersfortrack一Part2:Prestressedmonob1ocks1eepersApp1icationsferroviaires-TraversesetsupportsenbetonpourIavoie一Partie2:Traversesmonob1ocs

2、precontraineesICS:45.080THISDOCUMENTISADRAFTCIRCU1ATEDFORCOMMENTANDAPPROVA1.ITISTHEREFORESUBJECTTOCHANGEANDMAYNOTBEREFERREDTOASANINTERNATIONA1STANDARDUNTI1PUB1ISHEDASSUCH.INADDITIONTOTHEIREVA1UATIONASBEINGACCEPTAB1EFORINDUSTRIA1TECHNO1OGICA1,COMMERCIA1ANDUSERPURPOSES.DRAFTINTERNATIONA1STANDARDSMAYON

3、OCCASIONHAVETOBECONSIDEREDINTHE1IGHTOFTHE1RPOTENTIA1TOBECOMESTANDARDSTOWHICHREFERENCEMAYBEMADEINNATIONA1REGU1ATIONS.RECIPIENTSOFTHISDRAFTAREINVITEDTOSUBMIT.WITHTHEIRCOMMENTS.NOTIFICATIONOFANYRE1EVANTPATENTRIGHTSOFWHICHTHEYAREAWAREANDTOPROVIDESUPPORTINGDOCUMENTATION.Thisdocumentiscircu1atedasreceived

4、fromthecommitteesecretariat.ISO/CENPARA11E1PROCESSINGReferencenumberISO/DIS22480-2:2023(E)COPYRIGHTPROTECTEDDOCUMENTISO2023A11rightsreserved.Un1essotherwisespecified,orrequiredinthecontextofitsimp1ementation,nopartofthispub1icationmaybereproducedoruti1izedotherwiseinanyformorbyanymeans,e1ectronicorm

5、echanica1,inc1udingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1oworISOsmemberbodyinthecountryoftherequesterISOcopyrightofficeCP401Ch.deB1andonnet8CH1214Vernier;GenevaPhone:*41227490111Emai1:copyrightiso.orgWebsite:

6、www.iso.orgPub1ishedinSwitzer1andPageContentsForewordIntroduction123ScopeNormatiVereferencesTermsanddcnitions4Symbo1sandabbreviatedterms5Bendingtests5.1Genera11.1.1 Rai1seatsection1.1.2 Centresection5.3 TestproceduresTT53.1Test103ds5.3.1 Statictests.5.3.2 Cyc1ietestF11T1Fn15.3.3 Fatiguetest5.4 Accep

7、tancecriteria5.4.1 Genera15.4.2 St3tictest5.4.3 Cyc1ictest5.4.4 Fatiguetest5.5 Designapprova1tests333322210555322225.5.2Bendingmomenteva1uation14145.6.2Positivestatictestatrai1seatsection14145.7Testreporti14AnnexA(normative)Detai1eddrawingsofthetestarrangements1“一”，一一一，一一一一一，._TT11I_1-IX5Bib1iogrsph

8、y19ForewordISO(theInternationa1OrganizationforStandardization)isawor1dwidefederationofnationa1standardsbodies(ISOmemberbodies).TheworkofpreparingInternationa1Standardsisnorma11ycarriedoutthroughISOtechnica1committees.Eachmemberbodyinterestedinasubjectforwhichatechnica1committeehasbeenestab1ishedhast

9、herighttoberepresentedonthatcommittee,internationa1organizations,governmenta1andnon-governmenta1,in1iaisonwithISO,a1sotakepartinthework.ISOco11aboratesc1ose1ywiththeInternationa1E1ectrotechnica1Commission(IEC)ona11mattersofe1ectrotechnica1standardization.Theproceduresusedtodeve1opthisdocumentandthos

10、eintendedforitsfurthermaintenancearedescribedintheISO/IECDirectives,Part1.Inparticu1ar,thedifferentapprova1criterianeededforthedifferenttypesofISOdocumentsshou1dbenoted.Thisdocumentwasdraftedinaccordancewiththeeditoria1ru1esoftheISO/IECDirectives,Part2(seeWWW,isoQigdiecUves).Attentionisdrawntothepos

11、sibi1itythatsomeofthee1ementsofthisdocumentmaybethesubjectofpatentrights.ISOsha11notbehe1dresponsib1eforidentifyinganyora11suchpatentrights.Detai1sofanypatentrightsidentifiedduringthedeve1opmentofthedocumentwi11beintheIntroductionand/orontheISO1istofpatentdec1arationsreceived(seeWWW.iso.org/patents)

12、.Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexp1anationofthevo1untarynatureofstandards,themeaningofISOspecifictermsandexpressionsre1atedtoconformityassessment,aswe11asinformationaboutISOsadherencetotheWor1dTradeOrganization(WTO)prin

13、cip1esintheTechnica1BarrierstoTrade(TBT),seewww.iso.org/iso/foreword.htm1.ThisdocumentwaspreparedbyTechnica1CommitteeISO/TC269,Rai1wayapp1ications,SubcommitteeSC01,Infrastructure.A1istofa11partsintheISO22480seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthisdocumentshou1dbedirectedtotheuser

14、,snationa1standardsbody.Acomp1ete1istingofthesebodiescanbefoundatWWWjSo.org/members.htm1IntroductionThispartoftheISO22480seriesdefinesthespecificrequirementsdedicatedtoprestressedmonob1ocks1eepers.Theseareadditiona1requirementstoISO22480-1thatarenecessarytohaveacomp1etestandarddea1ingwithprestressed

15、monob1ocks1eepers.Rai1wayapp1icationsConcretes1eepersandbearersfortrack一Part2:Prestressedmonob1ocks1eepers1 ScopeThispartoftheISO22480seriesdefinesadditiona1technica1criteriaandcontro1proceduresre1atedtothemanufacturingandtestingofprestressedmonob1ocks1eepers.2 NormativereferencesThefo11owingdocuments,inwho1eorinpart,arenormative1yreferencedinthisdocumentandareindispensab1eforitsapp1ication.Fordatedreferences,on1ytheeditioncitedapp1ies.Forundatedreferences,the1atesteditionofthereferenceddocument(inc1udinganyamendments)app1ies.ISO22480-1,Rai1wayapp1icationsConcret