Designation:D5261−10(Reapproved2018)StandardTestMethodforMeasuringMassperUnitAreaofGeotextiles1ThisstandardisissuedunderthefixeddesignationD5261;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversandcanbeusedasanindextothedeterminationofmassperunitareaofallgeotextiles.1.2ThevaluesstatedinSIunitsorotherunitsshallberegardedseparatelyasstandard.Thevaluesstatedinparenthe-sesareprovidedforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD1776/D1776MPracticeforConditioningandTestingTex-tilesD4354PracticeforSamplingofGeosyntheticsandRolledErosionControlProducts(RECPs)forTestingD4439TerminologyforGeosynthetics2.2ISOStandard:3ISO9864:1990Geotextiles—DeterminationofMassperUnitArea3.Terminology3.1Definitions:3.1.1atmospherefortestinggeotextiles,n—airmaintainedatarelativehumidityof6565%andtemperatureof2162°C(7064°F).3.1.2geosynthetic,n—aplanarproductmanufacturedfrompolymericmaterialusedwithsoil,rock,earth,orothergeotechnical-engineering-relatedmaterialasanintegralpartofamanmadeproject,structure,orsystem.3.1.3geotextile,n—anypermeabletextileusedwithfoundation,soil,rock,earth,oranyothergeotechnical-engineering-relatedmaterialasanintegralpartofamanmadeproject,structure,...
