Designation:D6566−14StandardTestMethodforMeasuringMassperUnitAreaofTurfReinforcementMats1ThisstandardisissuedunderthefixeddesignationD6566;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversanindextothedeterminationofmassperunitareaofallturfreinforcementmats.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD1776PracticeforConditioningandTestingTextilesD4354PracticeforSamplingofGeosyntheticsandRolledErosionControlProducts(RECPs)forTestingD4439TerminologyforGeosyntheticsE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod2.2ISO/DISDocument:9864-1990MassperUnitAreaofGeotextiles33.Terminology3.1Fordefinitionsoftextiletermsusedinthistestmethod,refertoTerminologyD123.3.2Fordefinitionsoftermsrelatingtogeotextilesusedinthistestmethod,refertoTerminologyD4439.4.SummaryofTestMethod4.1Themassperunitareaofaturfreinforcementmatisdeterminedbyweighingtestspecimensofknowndimensions,cutfromequallyspaceddistancesoverthefullwidthofthelaboratorysample.Thecalculatedvaluesarethenaveragedtoobtainthemeanmassperunitareaofthelaboratorysample.5.SignificanceandUse5.1Thistestmethodisusedtodetermineiftheturfreinforcementmatmeetsspecificationsformassperunitarea.Thistestmethodcanbeusedforqualitycontroltodeterminespecimenconformance.Thismeasurementallowsforasimplecontrolofthedeliveredmaterialbyacomparisonofthemass...
