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1、MaterialsandStructures/MatériauxetConstructions,Vol.37,December2004,pp754-759RILEMTC176-IDC:‘Internaldamageofconcreteduetofrostaction’FinalRecommendationSlabtest:Freeze/thawresistanceofconcrete–InternaldeteriorationRILEMTECHNICALCOMMITTEESPreparedbyL.TangandP.-E.PeterssonSPSwedishNationa
2、lTestingandResearchInstitute,Borås,SwedenTCMembership–Chairman:Prof.MaxJ.Setzer;Secretary:DonaldJ.Janssen;Members:RainerAuberg,Germany;DirchH.Bager,Denmark;GisliGudmundsson,Iceland;StefanJacobsen,Norway;TakashiMiura,Japan;HirozoMihashi,Japan;VesaPenttala,Finland;Per-ErikPetersson,Sweden;
3、ErlandM.Schulson,USA;JochenStark,Germany;LupingTang,Sweden;PaoloUrsella,Italy.1.SCOPEANDAPPLICATIONSfreezing-and-thawing.3.0%NaClsolutionisusedasafreezingmediumforconcreteinanenvironmentwithde-icingsalt,anddemineralisedwaterisusedasafreezingmediumforconcreteThismethodisusedfordetermining
4、theresistanceofinanenvironmentwithoutde-icingsalt.concretetointernaldeteriorationwhensubjectedtorepeatedRemarksbytheChairmanofRILEMTC176-IDC:I.Formaldecisions:RILEMTC176-IDCdecidedatitsmeetingsinBergamo(2000),Paris(2000),Essen(2001)andHelsinki(2002):1.Twotestproceduresshallbepublishedasd
5、raftsofRILEMRecommendations:CIF-testandmodifiedSlabtest.TheCIFtestextendstheexistingRILEMRecommendationCDFtest[1]whichwasdevelopedformeasuringthescalingundertheattackoffrostandde-icingagents.ThemodifiedSlabtestreliesontheSwedishStandardSS137244.2.Thetestsarepresentedtogiveabasisforgainin
6、gexperience.3.ThedescriptionsshallbebasedonproposalsalreadydistributedtotheCommittee.4.ResponsibleauthorsareforCIF-TestM.J.SetzerandforSlab-TestPer-ErikPeterssonandLupingTang.5.Twointer-laboratory-testshavebeenperformedbyRILEMTC176-IDCin2000–oneforCIFandoneformodifiedSlabtest,eachcompris
7、ingthreeconcretes.TheresultshavebeenevaluatedstrictlybasingonISO5725byDr.AubergandMrs.KasparekforCIFandbyDr.LupingTangformodifiedSlabtest.Theresultshavebeencross-checkedbythetwogroups.RILEMTC176-IDCdecidedtousetheseprecisiondataforthedrafts.6.Thedeadlineforanycommentstoth
