Designation:D8329−21StandardTestMethodforDeterminationofWater/CementitiousMaterialsRatioforGeosyntheticCementitiousCompositeMats(GCCMs)andMeasurementoftheCompressionStrengthoftheCementitiousMaterialContainedWithin1ThisstandardisissuedunderthefixeddesignationD8329;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thepurposeoftheproposedtestmethodistoobtainawater/cementitiousmaterialratiothatallowsforapracticalmeasurementofthecompressivestrengthofthecementitiousmaterialcontainedwithinageosyntheticcementitiouscompos-itemat(GCCM).Thiswater/cementitiousmaterialratioshouldbegenerallyrepresentativeofthatachievedpracticallyuponthehydrationofaGCCM.BecauseGCCMmaterialsdonotinvolvemixingortheuseofexactwaterhydrationmethodswhenemployedinthefield,thismethodisnecessarytoprovideaquantitativeestimateofthewater/cementitiousmaterialratio.1.2Thisproceduredeterminesthewater/cementitiousma-terialratioforaproperlyhydratedGCCM,whichisthenusedtocreatecubeorcylinderspecimensforcompressivestrengthtestingaspertheappropriatereferencedASTMtestmethods.CompressivestrengthresultswillthenberepresentativeofthestrengthoftheinherentcementitiousmaterialfoundintheGCCMafternormalGCCMhydration.1.3ThevaluesinSIunitsaretoberegardedasstandard.Valuesininch-poundunitsareinparenthesesforinformation.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTe...
