PROBABILISTICASPEQSOFFATIGUEAsymposiumpresentedaitheSeventy-fourthAnnualMeetingAMERICANSOCIETYFORTESTINGANDMATERIALSAtlanticCity,N.J.,27June-2July1971ASTMSPECIALTECHNICALPUBLICATION511RobertA.Heller,symposiumchairmanlistprice$19.7504-511000-30AMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceStreet,Philadelphia,Pa.19103CopyrightbyASTMInt'l(allrightsreserved);MonDec2111:08:31EST2015Downloaded/printedbyUniversityofWashington(UniversityofWashington)pursuanttoLicenseAgreement.Nofurtherreproductionsauthori©BYAMERICANSOCIETYFORTESTINGANDMATERIALS1972LibraryofCongressCatalogCardNumber:72-75900NOTETheSocietyisnotresponsible,asabody,forthestatementsandopinionsadvancedinthispublication.PrintedinBaltimore,Md.July1972CopyrightbyASTMInt'l(allrightsreserved);MonDec2111:08:31EST2015Downloaded/printedbyUniversityofWashington(UniversityofWashington)pursuanttoLicenseAgreement.NofurtherreproductionsauthorizForewordTheSymposiumonProbabilisticAspectsofFatiguewaspresentedattheSeventy-fourthAnnualMeetingofASTMheldinAtlanticCity,N.J.,27June-2July1971.ThesponsorofthissymposiumwasASTMCommitteeE-9onFatigue.RobertA.Heller,VirginiaPolytechnicInstitute,presidedassymposiumchairman.CopyrightbyASTMInt'l(allrightsreserved);MonDec2111:08:31EST2015Downloaded/printedbyUniversityofWashington(UniversityofWashington)pursuanttoLicenseAgreement.Nofurtherreproductionsauthorized.RelatedASTMPublicationsFatigueatHighTemperatures,STP459,(1969),$11.25EffectsofEnvironmentandComplexLoadHistoryonFatigueLife,STP462,(1970),$22.00ManualonLowCycleFatigueTesting,STP465,(1970),$12.50CopyrightbyASTMInt'l(allrightsreserved);MonDec2111:08:31EST2015Downloaded/printedbyUniversityofWashington(UniversityofWashington)pursuanttoLicenseAgreement.Nofurtherreproductionsauthorized.ContentsIntroduction1NewMethodfortheStatisticalEvaluationofConstantStressAmplitudeFatigue-TestResults—F.A.Bastenaire3EstimatingtheMedianFatigueLimitforVerySmallUp-and-DownQuantalResponseTestsandforS-NDatawithRunouts—R.E.Little29RegressionModelsfortheEffecto...