Designation:D4406–04StandardTestMethodforCreepofRockCoreSpecimensinTriaxialCompressionatAmbientorElevatedTempertures1ThisstandardisissuedunderthefixeddesignationD4406;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthecreepbehaviorofintactcylindricalrockcorespecimens’intriaxialcompression.Itspecifiestheapparatus,instrumentation,andproceduresfordeterminingthestrainasafunctionoftimeundersustainedload.1.2AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.2.1Themethodusedtospecifiyhowdataarecollected,calculated,orrecordedinthisstandardisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotheruses,orboth.Howoneappliestheresultsobtainedusingthisstandardisbeyonditsscope.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection7.2.ReferencedDocuments2.1ASTMStandards:2D653TerminologyRelatingtoSoil,Rock,andContainedFluidsD2113PracticeforDiamondCoreDrillingforSiteInves-tigationD2216TestMethodforLaboratoryDeterminationofWater(Moisture)ContentofSoilandRockD3740PracticeforMinimumRequirementsforAgenciesEngagedintheTestingand/orInspectionofSoilandRockasUsedinEngineeringDesignandConstructionD4341TestMethodforCreepofCylindricalHardRockCoreSpecimensinUniaxialCompressionD4543PracticeforPreparingRockCoreSpecimensandDeterminingDimensionalandShapeTolerancesD5079PracticesforPreservingandTransportingRockCoreSamplesD6026PracticeforUsingSignificantDigitsinGeotechni-calDataE4PracticesforLoadVe...
