The Damage Tolerance Design Handbook.pdf

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1、DTDHandbookRegistrationDTDHandbookLoginHandbookforDamageTolerantDesignAFGROWPurchaseDownloadSupportUserWorkshopApplicationsBlogAboutUsDTDHandbookNext»WelcomeContactInthefinalapprovalletterestablishingtheAirForceAircraftStructuralIntegrityProgramwhichstillholdsContributorst

2、ruetoday:PDFVersions"ThesuccessfulaccomplishmentofthisprogramisvitaltotheAirForce'scapabilitytoperformitsRelatedLinksassignedmission,andrequirescompleteandactivesupportandcooperationofallstaffandSectionscommandlevelsoftheAirForceorganization."...ExamplesGeneralCurtisE.LeMa

3、y,U.S.AirForceViceChiefofStaff,19November1958ThestructureoftheguidingASIPdocumenthaschangedsinceitsinceptionin1958,butthedemandsforsafe,reliablestructurescontinuesinthelatestversion-theDODJointServiceSpecificationGuide-JSSG-2006-AircraftStructures.ThisDamageToleranceDesign

4、Handbookhasbeenpreparedtoassistwiththeimplementationandapplicationofthedamagetolerantconceptscontainedinthesupportingdocuments.TheHandbookprovidesspecificbackgrounddataandstate-of-the-artanalysismethodstoassistcontractorandUSAFpersonnelincomplyingwiththeJSSG-2006intricacie

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6、©Copyright2009-2011,LexTech,Inchttp://www.afgrow.net/applications/DTDHandbook/[2011-8-819:36:49]DTDHandbook

7、Introduction

8、IntroductionRegistrationDTDHandbookLoginHandbookforDamageTolerantDesignAFGROWPurchaseDownloadSupportUserWorkshopApplicationsBlogAboutUsDT

9、DHandbookNext»Section1.0.IntroductionContactIntheearly1970’s,theUnitedStatesAirForce(USAF)developedadamagetolerancephilosophytohelpContributorseliminatethetypeofstructuralfailuresandcrackingproblemsthathadbeenencounteredonvariousmilitaryPDFVersionsaircraft.AirForcereviewof

10、structuralfailureshadrevealedthatthesafelifephilosophydidnotprotectagainstdesignsthatwereintoleranttodefectsthatcouldbeintroducedduringmanufacturingorduringin-RelatedLinksserviceuse.Fromthestandpointofflightsafety,itwasfoundprudenttoassumethatnewairframeSectionsstructuresc

11、ouldcontaininitialdamage(e.g.scratches,flaws,burrs,cracks,etc)andthatnotallcrackswouldbef