ISO 00834-1-1999 amd2-2021.docx

ISOINTERNATIONA1.STANDARD834-1Firstedition1999-0945AMENDMENT22021-12Fire-resistancetestsE1.ementsofbui1.dingconstruction一fH篁a】requirementsAMENnMEN“I、E1.ementsdeconstructionPartie1:Exigencesgenera1.esAmendement2ReferencenumberISO8341:1999/Amd.2:2021(E)©!SO2021COPYRIGHTPROTECTEDDOCUMENT©ISO2021IUirhM*hedbdi1.iUedotherwiseupdhi.orkwqnttodtH0e6jtiecfiron>ctu1.aicnpkni1tUqntt*)jU>copppU1.>joationmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyinthecountr)oftherequester.f),WV>fifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.227490111觥曲ite：图洲跳触OQrgPub1.ishedinSwitzer1.andForewordISO(theInternationa1.OrganizationforStandardization)isawor1.dwidefederationofnationa1.standardsWuchugh(ISOtnrhniroibMhrtMjwcCkM噢phringbody1.nmnyHtk6cNtrtir(ifmwhn1.加Ca门/Cmitteehasbeenestab1.ishedhastherighttoberepresentedonthatcommittee.Internationa1.organizations,governmenta1.andnon-ove11menta1.1.in1.iaisonwithISO,a1.sotakepartinthework.ISOco1.1.aboratesc1.ose1.ywiththee1.ectrotechnica1.standardization.Internationa1.E1.ectrotechnica1.Commission(IEC)ona1.1.mattersofTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceareeditoria1.ru1.esoftheISO!ECDirectives,Part2(seewww.iso.org/directives).R鹳MOn1.h1.sd做，刷姐n捣嫂蝴於逸股nsi踊鹿鹿R晒黑制钳的。血耗棉嬴胜硼bsubjectOfg殿F福也B庭oSOIEC½teM1.>not1.OW三¾MerccordancetheusedinthisAnytradeanypatentrightsidentifiedduringthedeve1.opmentCfIha“insntwjHbeintheIntroductionand/orontheISO1.istofpatentdec1.arationsreceived(secwww.iso.org/patents).inwe帼器砌ionBa袖吸料dea痴困tes强constitutenameendorsement,domentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsandwww.iso.org/iso/foreword.htmI.Thisdocumentcontainment,waspreparedbyTechnica1.CommitteeISO/TC92,Firesafety.SubcommitteeSC2,FireA1.istofa1.1.partsintheISO834seriescanbefoundontheISOwebsite.At11做碰fi1.三1.iesthiscah8<MHho崛w%nembe惠=HW论nationa1.standardsbody.AFire-resistancetestsE1.ementsOfbui1.dingconstructionGenera1.requirementsNormativereferencesrecommendationsFire-resistancemeasuringE1.ementsofbui1.dingconstructionPart2:RequirementsandISO13943,FiresafetyVocabu1.ary6.76.7Ca1.ibration6.7.1NOTETheeffectiveareaofafurnaceopeningisdef1.nedinISO834-2:2019,3.1.a) a5-yearperiodhase1.apsedfromtheconductoftheprevioustest;orCquipmcntAmajormodificationwou1.dconsistofrep1.acementofburners,furnace1.iningsorcombustioncontro1.thermometersattachedexposure,exposedmaximumoftemperatureConstiuctionSha1.1.bynottheexceedPart1:AMENDMENT2Addthefo1.1.owingreference:ISO834-2,fortestsfurnaceexposureontestsamp1.esUpdatereferencesIEC60584-1,Thermocoup1.esPart1：EMFspecificationsandto1.erancesRep1.acetheexistingsubc1.ausewiththefo1.1.owing:Ca1.ibrationoffurnacesusedtotesthorizonta1.separatinge1.ementsandvertica1.separatinge1.ementsismonitoredbyresu1.tsoftestsconductedinaccordancewithISO834-2.measureThenexposedsurfacetemperaturesopeningdefinedbeequa1.toorgreaterthanthearearequiredto6.7.3ThetestmethoddescribedinISO834-2sha1.1.beconductedwheneitherofthefo1.1.owingtwoconditionsoccurs:b) comp1.etionofamajormodificationtothefurnace.NOTE6.7.4Resu1.tsofthetestconductedinaccordancewithISO834-p1.ywiththefo1.1.owing:Afterinitia1.10minonthethesurfacetheSupport1.ngdifferencerecordedp1.ate100duringa45mintestAftetTtiwdMvkikQjntnnoxpcsurcutbetKbaQIiuidtttectiHha1.i6u1.)bamp1.c1.bitfH1.ikituwgthc46ffbemountedonthesupportingconstruction.10.2.1腕!就蛆盥釉s蝴蟒Withthefo1.1.owing:10.2.1.1The1.oadbearingcapacityisthee1.apsedtimeforwhichthetestspecimencontinuestomaintainitsabi1.itytosupportthetest1.oadduringthetest.Supportofthetest1.oadisdeterminedbyboththeamnuntandtherateofdef1.ection,ca1.cu1.atedfromthemeasurementstakenin9.4.3.10.2.1.2Thefo1.1.owingdefinitionsareusedforhorizonta1.1.oadbearingtestspecimens：1.imitingdef1.ection.Di,measuredinmm：D=1.2(400d)1.imitingrateOfdef1.ection,measuredinmnmin:(dDdt)=1.a/(9000d)where1.disthedearspanofthetestspecimen,inmm;isthedistancefromtheextemefibreoftheco1.ddesigncompressionzonetotheextremefibreoftheco1.ddesigntensionzoneofthestructura1.section,inmm.t12.1.3speFbnsCh*pMiticrfH1.itfOdnUunnbn面IQIIeofKbpportfd1.1.owingtesttwo1.undcrhaviborHranch1.1.oadhearinga) themeasureddef1.ection1,5KD;orb) whenDianddDdt)iarebothexceeded.10.2.1.4 Thefo1.1.owingdefinitionsareusedforvertica1.1.oadbearingtestspecimens.1.imitingvertica1.contraction(negativee1.ongation),C1.1measuredinmm：C1.=/100or1.imitingrateofvertica1.contraction(negativee1.ongation),measuredinmm/min：(dCdt)=3ft/1000wherehistheinitia1.height(inmm)ofthetestspecimenoncethe1.oadhasbeenapp1.ied.10.2.1.5 Forthepurp