RG1.060 抗震设计的设计反应谱 1973

RevssionIDecember1973U.S.ATOMICENERGYCOMMISSIONREGULATORYDIRECTORATEOFREGULATORYSTANDARDSREGULATORYGUIDE1.60DESIGNRESPONSESPECTRAFORSEISMICDESIGNOFNUCLEARPOWERPLANTSA.INTRODUCTIONCriterion2,DesignBasesforProtectionAgainstNaturalPhenomenat'ofAppendixA.GeneralDesignCriteriaforNuclearPowerPlants,to10CFRPart50.UicensingofProductionandUtilizationFacilities:requires,inpart,thatnuclearpowerplantstructures,systems,andcomponentsimportanttosafetybedesignedtowithstandtheeffectsofearthquakes.ProptsedAppendixA,SeismicandGeologicSitingCriteria.to10CFRPart100,ReactorSiteCriteria,wouldrequire,inpart,thattheSafeShutdownEartlhquake(SSE)bedefinedbyresponsespectraco,respondingtotheexpectedmaximumgroundaiccelcrations.ThisguidedescribesaprocedureacceptabletotheAECRegulatorystafffordefiningresponsespectrafortheseismicdesignofnuclearpowerplants.TheAdvioryCommitteeonReactorSafeguardshasbeenconsultedconcerningthisguideandhasconcurredintheregulatoryposition.B.DISCUSSIONInordertoapproximatetheintensityandtherebyestimatethemaximumgroundacceleration'oftheexpectedstrongestgroundmotion(SSE)foragivensite,proposedAppendixAto10CFRPart100specifiesanumberofrequiredinvestigations.Itdoesnot.however,giveamethodfordefining1heresponsespectralcoriespondingtotheexpectedmaximumgroundacceleralion.Titrecordedgroundaccelerationsandresponsespectlraofpastearthquakesprwvideabasisfortheralionaldesigniofstructurestoresistearthquakes.TheDesignResponseSpectra.'specifiedfordesignpurposes,canhedevelopedstatisticallyfromnresponsespectraofpaststrong-notionearthquakes(seereferenceI).AnIScedeftintionsattheendoftheguide.extensivestudyhasbeendescribedbyNewmarkandfilurneinreferences1,2,and3.Afterreviewingthesereferenceddocuments,theAECRegulatorystaffhasdeterminedasacceptablethefollowingprocedurefordefiningtheDesignResponseSpecttarepresentingtheeffectsofthevibratorymotionoftheSSE,1/2theSSE,andtheOperatingBasisEarthquake(OBE)onsitesunderlainbyeitherrockorsoildepositsandcoveringallfrequenciesofinterest.However,forunusuallysoftsites,modificationtothisprocedurewillberequired.Inthisprocedure,theconfigurationsofthehorizontalcomponentDesignResponseSpectraforeachofthetwomutuallyperpendicularhorizontalaxesareshowninFigureIofthisguide.TheseshapesagreewiththosedevelopedbyNewmark,Blume.andKapurin,eference1.InFigureIthebasediagramconsistsofthreeparts:thebottomlineontheleftpartrepresentsthemaximumgrounddisplacement,thebottomlineontherightpartrepresentsthemaximumacceleration,andthemiddlepartdependsonthemaximumvelocity.ThehorizontalcomponentDesignResponseSpectrainFigureIofthisguidecorrespondtoamaximumhorizontalrou'ndaccehirationof1.0g.Themaximumgrounddisplacementistakenproportionaltothemaximumgroundacceleration,andissetat36inchesforagroundaccelerationof1.0g.Thenumericalvaluesofdesigndisplacements,velocities,andaccelerationsforthehorizontalcomponentDesignResponseSpectraareobtainedbymultiplyingthecorrespondingvaluesofthemaximumgrounddisplacementandaccelerationbythefactorsgiveninTableIofthisguide.ThedisplacementregionlinesoftheDesignResponseSpectraareparalleltothemaximumgrounddisplacementlineandareshownontheleftofFigureI.Thevelocityregionlinesslopedownwardfromafrequencyof0.25cp'(controlpointD)toafrequencyof2.5cps(controlpointC)andareshownatthetop.Theremainingtwosetsoflinesbetweenthefrequenciesof2.5cpsand33cps(controlpointA).withabreakatafrequencyof9cps(controlU.SAJECREGULATORYGUIDESCarimisofPublishedguindesmamy,beobtainedbyrequest..indictinthediviti0011d11rdIatheUS.Atcn*EnergyCommission.WVahingRo.D..2045.ItefatoryGuidesweiuedtodescribean~d@mksetlebletothepuc£,Attenon:irectorofRegulatorySuterie.Coewtsendtsugostiontfornalhodsacceptable~~~~~~~~~~~~~~~~~ecn~e~othsACfsitosafoe-ipatofIiomnxiini--edwowurendshouldbetan?tothesacmrtevynutodeco'dhtt0theASCKIM~tYetefSommtesilgcetl,tIIwyC~e~o.Whtn..2thmCoinoswAttwnutions.todelieatetechnicueubedbythestaffmoftheeZlustmVasedhicProblemorPostultedccontt.otomOmdsgusdeawtoAtotentm.Chief.PublicINMPSitff.-Iocantt.RegutOrVGuidoowenotsublttulsfrregultionsandcowp4mwiththemi:.notMoaweed.Methods,andSolutins~differentfromthosematoutatTheguidndweaIssedonthef61otlgoaptnbrooddit.,.orntnhe.isw11becemeptletIftheytcdIbaisflothsfiditipequiertOsoINeismuwnofsonft~hunceOf0p0.915tofbe~abytheCormnkis.onI.PPowerttAsissaProducts2.ResearheilMTestIteecto.7.Tru..mtelnw3.PuetandMevrakFaecilties8.occuptionalMedthPtbtahedguodasmilbewited,wetldceltty.aseWoprmo.looccommodem4.EnvironmatotandSitPit,1.AntitrustRe0torimamnanWMwithiteMwsottorfft$OltorOAu~ione.Mats,inkandPlansPIsmsctionsIa.GonerefGUIDEpointB).constitut;theaccelerationregionofthehorizontilDesignResponseSpectra.Forfrequencieshigherthan33cps.themaximumntgroundaccelerationlinerepfc.entstheDesignRcptu.nwSpectra.flihverticalcomponentDesignResponseSpectra.orrespondingtothemaximumhorizotdgrounda'cekreuti'sof1.0gareshowninFigure2ofthisguide.Thenumericalvaluesofdesigndisplacements,velocities,andaccelerationsinthesespectraareobtainedbymultiplyingthecorrespondingvaluesofthemaximumhJri:,ontalgroundmotion(acceleration=1.0ganddisplacement=3