Designation:D7290−06(Reapproved2011)StandardPracticeforEvaluatingMaterialPropertyCharacteristicValuesforPolymericCompositesforCivilEngineeringStructuralApplications1ThisstandardisissuedunderthefixeddesignationD7290;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoverstheproceduresforcomputingcharacteristicvaluesofmaterialpropertiesofpolymericcom-positematerialsintendedforuseincivilengineeringstructuralapplications.Thecharacteristicvalueisastatistically-basedmaterialpropertyrepresentingthe80%lowerconfidenceboundonthe5th-percentilevalueofaspecifiedpopulation.Characteristicvaluesdeterminedusingthisstandardpracticecanbeusedtocalculatestructuralmemberresistancevaluesindesigncodesforcompositecivilengineeringstructuresandforestablishinglimitsuponwhichqualificationandacceptancecriteriacanbebased.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD3878TerminologyforCompositeMaterialsD5055SpecificationforEstablishingandMonitoringStruc-turalCapacitiesofPrefabricatedWoodI-JoistsD5457SpecificationforComputingReferenceResistanceofWood-BasedMaterialsandStructuralConnectionsforLoadandResistanceFactorDesignD5574TestMethodsforEstablishingAllowableMechanicalPropertiesofWood-BondingAdhesivesforDesignofStructuralJointsE6TerminologyRelatingtoMethodsofMechanicalTestingE178PracticeforDealingWithOutlyingObservationsE456TerminologyRelatingtoQualityandStatistics2.2OtherDocument:MIL-Handbook-17PolymerMatrixComposites,Volume1,RevisionF33.Terminology3.1Definitions—TerminologyD3878definestermsrelatingtohig...
