Designation:D6454−99(Reapproved2011)StandardTestMethodforDeterminingtheShort-TermCompressionBehaviorofTurfReinforcementMats(TRMs)1ThisstandardisissuedunderthefixeddesignationD6454;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thetestmethodestablishestheproceduresforevalua-tionofthedeformationsofaturfreinforcementmat(TRM)undershort-termcompressiveloading.Thistestmethodisstrictlyanindextestmethodtobeusedtoverifythecompres-sivestrengthconsistencyofagivenmanufacturedgeosyn-thetic.Resultsfromthistestmethodshouldnotbeconsideredasanindicationofactualorlong-termperformanceoftheTRMinfieldapplications.1.2SincetheseTRMsexperiencemultidirectionalcompres-siveloadingsinthefield,thistestmethodwillnotshowactualfieldperformanceandshouldnotbeusedforthisspecificobjective.Theevaluationoftheresultsalsoshouldrecognizethatthedeterminationoftheshorttermsingleplanecompres-sivebehaviorofgeosyntheticsdoesnotreflecttheinstalledperformanceofTRMsand,therefore,shouldnotbeusedastheonlymethodofproductorperformancespecification.1.3ThevaluesinSIunitsaretoberegardedasthestandard.Thevaluesstatedininch-poundunitsareprovidedinparen-thesesforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D4354PracticeforSamplingofGeosyntheticsandRolledErosionControlProducts(RECPs)forTestingD4439TerminologyforGeosyntheticsD5199TestMethodforMeasuringtheNominalThicknessofGeosynthetics3.Terminology3.1Definitions:3.1.1compressivedeformation,[L],n—thedecreaseingagelengthproducedinthetestspecimenbyacompressiveload.3.1.2compressivestrain,[nd],n—theratioofcompres...
