Designation:D5818−11StandardPracticeforExposureandRetrievalofSamplestoEvaluateInstallationDamageofGeosynthetics1ThisstandardisissuedunderthefixeddesignationD5818;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversstandardizedproceduresforobtain-ingsamplesofgeosyntheticsfromatestsectionforuseinassessmentoftheeffectsofdamageimmediatelyafterinstal-lationcausedonlybytheinstallationtechniques.Theassess-mentmayincludephysicaltesting.Thispracticeisapplicabletoanygeosynthetic.1.2Thispracticeislimitedtofull-scaletestsections,anddoesnotaddresslaboratorymodelingoffieldconditions.Thispracticedoesnotaddresswhichtestmethod(s)touseforquantifyinginstallationdamage.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D4439TerminologyforGeosyntheticsD4873GuideforIdentification,Storage,andHandlingofGeosyntheticRollsandSamples3.Terminology3.1Definitions:3.1.1geosynthetic,n—aplanarproductmanufacturedfrompolymericmaterialusedwithsoil,rock,earth,orothergeo-technicalengineering-relatedmaterialasanintegralpartofaman-madeproject,structure,orsystem.3.1.2sample,n—(1)aportionofmaterialthatistakenfortestingorforrecordpurposes;(2)agroupofspecimensused,orofobservationsmade,whichprovideinformationthatcanbeusedformakingstatisticalinferencesaboutthepopulation(s)fromwhichthespecimensaredrawn.3.1.3testsection,n—adistinctareaofactualorsimulatedfull-scaleconstruction.3.1.4Fordefinitionsofothergeosynthetictermsusedinthispractice,refertoTerminologyD4439.4.SummaryofPractice4.1Damagetogeosyntheticsfrominstallationoperationsmaybequantifiedbyevaluati...
