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1、DISASTERPREPAREDNESSAKEYELEMENTOFBECOMINGDISASTERRESILIENTWalterHays,GlobalAllianceforDisasterReduction,UniversityofNorthCarolina,USACITYDATABASESANDINFORMATIONHAZARDS:GROUNDSHAKINGGROUNDFAILURESURFACEFAULTINGTECTONICDEFORMATIONTSUNAMIRUNUPAFTERSHOCK

2、SEARTHQUAKESINVENTORYVULNERABILITYLOCATIONRISKASSESSMENTRISKACCEPTABLERISKUNACCEPTABLERISKGOAL:DISASTERRESILIENCEPREPAREDNESSPROTECTIONEMERGENCYRESPONSERECOVERYIENCEFOURPILLARSOFRESILIENCEAFOCUSONTHETECHNIQUEOFDEVELOPINGADISASTERPLANNINGSCENARIOEXAMP

3、LESCOMPLETEDNEXTLECTUREPURPOSE:Informationfromdisasterscenarioswillfacilitatetheadoptionandimplementationofpoliciesandplanstoenableacitytobewellpreparedforfutureevents.DISASTERSOCCURWHEN---ACITY’S(COMMUNITY’S)PUBLICPOLICIESLEAVEIT…UN—PREPAREDFORTHE

4、INEVITABLENATURALHAZARDSGLOBALGOAL:FROMUN—PREPAREDTOASTATEOFPREPAREDNESSFORALLCITIESANDALLNATURALHAZARDSTECHNIQUESUMMARYAriskassessmentistheprobabilisticintegrationof:Thehazard(e.g.,earthquakes)andtheirpotentialdisasteragents(groundshaking,etc)andTh

5、eexposure,locationandvulnerabilityofelementsofthecity’sbuiltenvironment).SUMMARY:HAZARDENVIRONMENTTheparametersofthehazardenvironmentcontroltheprimarydisasteragentsofgroundshakingandgroundfailureandthesecondarydisasteragentsofsurfacefaultrupture,tsun

6、amiwaverunup,seiche,regionaltectonicdeformation,andaftershocks.SUMMARY:BUILTENVIRONMENTThebuiltenvironmentiscomprisedofbuildingsandinfrastructure(theexposure,ortheelementsatrisk),eachhavingarelativevulnerabilitytoaspecificpotentialdisasteragentsuchas

7、groundshaking.HAZARDMAPSBASEDONAPROBABILISTICMODELREQUIREDINFORMATIONLocationofactivefaults.Geometryofthefaults.Regionaltectonicsetting.SpatialandtemporalcharacteristicsofseismicityREQUIREDINFORMATIONRateofdecayofseismicenergywithdistancefromthepoint

8、offaultrupture.Magnitude,othersourceparameters,andgeologicstructure.REQUIREDINFORMATIONThephysicalpropertiesofshallow,near-surfacesoils.Constructionmaterialsoftheexposure(buildingsandinfrastructure)GROUNDSHAKINGGroundshakingischaracterizedbytwoprimar