Designation:D7174−05(Reapproved2011)StandardSpecificationforPreformedClosed-CellPolyolefinExpansionJointFillersforConcretePavingandStructuralConstruction1ThisstandardisissuedunderthefixeddesignationD7174;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverspreformedexpansionjointfillersmadefromclosed-cellpolyolefinmaterialshavingsuit-ablecompressibilityandnonextrudingcharacteristics.1.1.1TypeI,closed-cellpolyethyleneorblendedpolyeth-ylene.1.2Thesejointfillersareintendedforuseinconcretepavementsinfull-depthjoints.Thereareseveralvariationsinsize.Atypicalsizemeasures0.5-in.(12.7-mm)inthickness,4.0-in.(101.6-mm)inwidth,and10-ft(3.048-m)inlengthandwillrelievestressoravoidpotentialdistressinadjacentstructuresorpavements.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D545TestMethodsforPreformedExpansionJointFillersforConcreteConstruction(NonextrudingandResilientTypes)3.MaterialsandManufacture3.1TypeI,Closed-CellPolyethyleneorBlendedPolyethylene—Thesefillersshallbemadefromfoamedpoly-ethyleneorblendedpolyethylene,andtheirpreformedcrosssectionshallbeclosed-cell.4.PhysicalProperties4.1CompressiveStrength:4.1.1Minimum—Loadrequiredtocompresstestspecimenby25%(to75%oforiginalthickness)shallnotbelessthan5psi(35kPa).4.1.2Maximum—Loadrequiredtocompresstestspecimenby85%(to15%oforiginalthickness)shallnotbegreaterthan300psi(2070kPa).4.2Recovery—Aftercompressingthetestspecimento50%ofitsthicknessbeforetest,theloadshallbereleased;and10minafterreleaseofthelo...
