Designation:A1061/A1061M−16StandardTestMethodsforTestingMulti-WireSteelPrestressingStrand1ThisstandardisissuedunderthefixeddesignationA1061/A1061M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodsdescribeproceduresfortestingthemechanicalpropertiesofmulti-wiresteelprestressingstrand.1.2Thesetestmethodsareintendedforuseinevaluatingspecificstrandpropertiesprescribedinspecificationsformulti-wiresteelprestressingstrand,buttheydonotquantifyaccep-tancecriteriaspecifiedintheapplicablespecificationforthestrandbeingtested.1.3Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsE4PracticesforForceVerificationofTestingMachinesE83PracticeforVerificationandClassificationofExten-someterSystemsE328TestMethodsforStressRelaxationforMaterialsandStructures3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1breakingstrength,n—maximumforceatorafterwhichoneormorewiresfracture.3.1.2freespan,n—thedistancebetweenthegrippingjawsoccupiedbythelengthofstrandtobetestedinwhichthestrandisnotcontactedordetrimentallyinfluencedbythegrippingsystem.3.1.3laylength,n—theaxialdistancerequiredtomakeonecompleterevolutionofanywireofastrand.3.1.4strand,n—agroupoftwo,threeorse...
