Designation:D5365−12AnAmericanNationalStandardStandardTestMethodforLong-TermRing-BendingStrainof“Fiberglass”(Glass-Fiber-ReinforcedThermosetting-Resin)Pipe1ThisstandardisissuedunderthefixeddesignationD5365;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversaprocedurefordeterminingthelong-termring-bendingstrain(Sb)of“fiberglass”pipe.Bothglass-fiber-reinforcedthermosetting-resinpipe(RTRP)andglass-fiber-reinforcedpolymermortarpipe(RPMP)are“fiber-glass”pipes.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Aspecificwarningstatementisgivenin9.5.NOTE1—ThereisnoknownISOequivalenttothisstandard.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-ticsD3567PracticeforDeterminingDimensionsof“Fiberglass”(Glass-Fiber-ReinforcedThermosettingResin)PipeandFittings3.Terminology3.1Definitions:3.1.1General—DefinitionsareinaccordancewithTermi-nologyD883andabbreviationsareinaccordancewithTermi-nologyD1600unlessotherwiseindicated.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1endpoint—thefailureofthetestspecimen.Thefailuremodemaybecatastrophic,characterizedbyasuddenfracturethroughthepipewallintheareaofgreateststrain.3.2.2fiberglasspipe—tubularproductcontainingglass-fiberreinforcementsembeddedinorsurroundedbycuringthermo-settingresin.Thecompositestructuremaycontainaggregate,granularorplateletfillers,thixotropicagents,pigments,ordyes;thermoplasticorthermosettinglinersor...
