Designation:D4381−22StandardTestMethodforSandContentbyVolumeofConstructionSlurries1ThisstandardisissuedunderthefixeddesignationD4381;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofthesandcontentofbentoniticslurriesusedinslurryconstructiontechniques.ThistestmethodhasbeenmodifiedfromAPIRecommendedPractice13B.1.2AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.3Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Except,thesievedesignationisidentifiedusingthe“alternative”systeminaccordancewithPracticeE11insteadofthe“standardsystem,”suchthatthesieveusedisreferredtoasaNo.200sieve,insteadofa75µmsieve.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D653TerminologyRelatingtoSoil,Rock,andContainedFluidsD1796TestMethodforWaterandSedimentinFuelOilsbytheCentrifugeMethod(LaboratoryProcedure)D3740PracticeforMinimumRequirementsforAgenciesEngagedinTestingand/orInspectionofSoilandRockasUsedinEngineeringDesignandConstructionD6026PracticeforUsingSignificantDigitsandDataRe-cordsinGeotechnicalDataE11SpecificationforWovenWireTestSieveClothandTestSievesE542PracticeforGravimetricCali...
