Designation:D5514/D5514M−18StandardTestMethodforLarge-ScaleHydrostaticPunctureTestingofGeosynthetics1ThisstandardisissuedunderthefixeddesignationD5514/D5514M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodevaluatesthestress/timepropertiesofgeosyntheticsbyusinghydrostaticpressuretocompressthegeosyntheticoversyntheticornaturaltestbasesconsistingofmanufacturedtestpyramids/cones,rocks,soil,orvoids.1.2Thistestmethodallowstheusertodeterminetherelativefailuremodeorpointsoffailureforgeosynthetics,orboth.1.3Thistestmethodofferstwodistinctprocedures:1.3.1ProcedureAincorporatesmanufacturedtestpyramidsorconesasthebaseofthetestingapparatus.ProcedureAisintendedtocreatecomparabledatabetweenlaboratories,andcanbeusedasaguideforroutineacceptancetestsforvariousmaterials.1.3.2ProceduresBandCincorporatesite-specificsoilorothermaterialselectedbytheuserasthetestbaseofthetestingapparatus.ProceduresBandCaremethodsforgeosyntheticdesignforaspecificsite.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.Foraspecificwarningstatement,seeSection6.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBa...
