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InfographiconPost-
EarthquakeFunctionalRecoveryPerformance
KatherineJ.Johnson,
SiamakSattar,DustinCook,SandeshAher
MaterialsandStructuralSystemsDivision
EarthquakeEngineeringGroup
NISTResearchBriefNISTRB4
December2024
ResearchSummary
IntheU.S.,buildingcodesandstandardshavebeendevelopedtoreducethelikelihoodofbuildingcollapsebutdonotaddressthelossofbuildingfunctionsorrecoverytimesduetoearthquakes.Whenscaledtothecommunitylevel,negativeconsequences,suchaslackofaccesstojobsandschoolsand,ultimately,populationdisplacement,may
occur.Buildingsandinfrastructuresystemscanbeimprovedtobettermeettheneedsofusersandoccupantsafternaturalhazardevents.Theseneedsincludetheabilityto
reoccupyandresumefunctionsandservicesacrosstheassetsthatmostbenefitsociety.
Researchinearthquakeengineeringandsocialsciencehasadvancedanew
performanceobjectivecalledfunctionalrecoverythatsupportsthedesignofassetstomeetneedsbeyondwhatiscurrentlyrequiredbycodesandstandards.Implementationoffunctionalrecoverydesignwillenablebuildingsandinfrastructuresystemstosustainlessdamageinearthquakeeventsandreturntoabasiclevelofservicemorequickly,
reducingdowntimeforkeysocietalactivitiesaswellasdirectandindirectcostsofdamages,repairs,ordemolition.
ResearchAdvancementDetails
FunctionalrecoverywasformallydefinedintheNIST-FEMAReporttoCongress(NISTSP1254)tofurtheradvanceongoingworkintheearthquakeandcommunityresilience
fields.Subjectmatterexperts(NISTSP1269)areprovidinginputondeveloping
maximumacceptablerecoverytimetargets.Functionalrecoverytargetsthecapacitytosupporttherecoveryofbasicintendedfunctionsorservices,whicharetypicallyless
thanfullpre-eventfunctionality.
Committeesarecurrentlydraftingprovisionsforcodesandstandardstoenableassetstoavoidmoderatetoseveredamageandlongrecoverytimeswhich,inturn,would
improvecommunityresilience.Althoughfunctionalrecoveryconceptsanddesign
recommendationsarecurrentlybeingdevelopedforearthquakehazards,thefindingscanbeleveragedforapplicationtoothernaturalhazardsinthefuture.
Thispublicationisavailablefreeofchargefrom:
/10.6028/NIST.RB.4
Avoidingdamageandcostlyorlengthyrepairsfromnaturalhazardscanprovide
significantsocietalbenefitstothepublic.Theinfographicbelowhelpstoillustratethe
improvedrecoverytrajectorybetweencurrentdesignpracticeandthenewfunctional
recoveryperformanceobjectiveunderdevelopmentforbuildings.Thisinfographic
demonstratesthatafteranearthquakeevent,functionalrecoverydesignenablesuserstomorequicklyreoccupy,repair,andresumeabuilding’sbasicfunctionsandservicesascomparedtocurrentcode(lifesafety)design.ThisimagewascreatedforNISTbyAher
StructuralGraphics,LLCandislicensedunderaCreativeCommonsAttribution4.0
InternationalLicense.Animagefilecanalsobedownloadedat:
/nistpubs/rb/NIST.RB.4-infographic.png.
FunctionalRecoveryPerformanceComparedtoLifeSafetyDesign
InfographiconPost-
EarthquakeFunctionalRecoveryPerformance
KatherineJ.Johnson,
SiamakSattar,DustinCook,SandeshAher
MaterialsandStructuralSystemsDivision
EarthquakeEngineeringGroup
NISTResearchBriefNISTRB4
December2024
Certainequipment,instruments,software,ormaterials,commercialornon-commercial,maybe
identifiedinthispapertospecifytheexperimentalprocedureadequately.SuchidentificationdoesnotimplyrecommendationorendorsementofanyproductorservicebyNIST,nordoesitimplythatthe
materialsorequipmentidentifiedarenecessarilythebestavailableforthepurpose.
NISTTechnicalSeriesPolicies
Copyright,Use,andLicensingStatements
NISTTechnicalSeriesPublicationIdentifierSyntax
PublicationHistory
ApprovedbytheNISTEditorialReviewBoardon2024-12-23
HowtoCitethisNISTTechnicalSeriesPublication
JohnsonKJ,SattarS,CookD,AherS(2024)InfographiconPost-EarthquakeFunctionalRecoveryPerformance.(NationalInstituteofStandardsandTechnology,Gaithersburg,MD),NISTRB4.
/10.6028/NIST
.RB.4
AuthorORCIDiDs
KatherineJ.Johnson:0000-0001-7199-8750
SiamakSattar:0000-0003-1096-7015DustinCook:0000-0002-4841-4515
SandeshAher:0009-0005-8697-1936
ContactInformation
katherine.johnson@
U.S.DepartmentofCommerce
GinaM.Raimondo,Secretary
NationalInstituteofStandardsandTechnology
CharlesH.Romine,perf
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