Designation:D7381−07(Reapproved2013)StandardPracticeforEstablishingAllowableStressesforRoundTimbersforPilesfromTestsofFull-SizeMaterial1ThisstandardisissuedunderthefixeddesignationD7381;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecontainsproceduresforestablishingallow-ablecompressionparalleltograinandbendingstressesforroundtimbersusedforpiling,basedonresultsfromfull-sizetests.NOTE1—AllowablestressesforcompressionperpendiculartograinandshearpropertiesareestablishedinaccordancewiththeprovisionsofPracticeD2899.1.2Stressesestablishedunderthispracticeareapplicabletopilesconformingtothesize,quality,straightness,spiralgrain,knot,shakeandsplitprovisionsofSpecificationD25.1.3AcommentaryonthepracticeisavailablefromASTMInternational.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D25SpecificationforRoundTimberPilesD198TestMethodsofStaticTestsofLumberinStructuralSizesD245PracticeforEstablishingStructuralGradesandRe-latedAllowablePropertiesforVisuallyGradedLumberD1036TestMethodsofStaticTestsofWoodPolesD1990PracticeforEstablishingAllowablePropertiesforVisually-GradedDimensionLumberfromIn-GradeTestsofFull-SizeSpecimensD2555PracticeforEstablishingClearWoodStrengthValuesD2899PracticeforEstablishingAllowableStressesforRoundTimberPilesD2915PracticeforSamplingandData-AnalysisforStruc-turalWoodandWood-BasedProductsD4761TestMethodsforMechanicalPropertiesofLumberandWood-BaseStructuralMaterialD6555GuideforEvaluatingSystemEf...
