Designation:C1552−16StandardPracticeforCappingConcreteMasonryUnits,RelatedUnitsandMasonryPrismsforCompressionTesting1ThisstandardisissuedunderthefixeddesignationC1552;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversapparatus,materials,andproce-duresforcappingconcretemasonryunits,relatedunits,includ-ingcouponsorotherspecimensobtainedfromsuchunits,andmasonryprismsforcompressiontesting.NOTE1—ThetestinglaboratoryperformingthesetestmethodsshouldbeevaluatedinaccordancewithPracticeC1093.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C140TestMethodsforSamplingandTestingConcreteMasonryUnitsandRelatedUnitsC617PracticeforCappingCylindricalConcreteSpecimensC1093PracticeforAccreditationofTestingAgenciesforMasonryC1232TerminologyofMasonryC1314TestMethodforCompressiveStrengthofMasonryPrisms3.Terminology3.1TerminologydefinedinTerminologyC1232shallapplyforthispractice.4.SignificanceandUse4.1Thispracticedescribesproceduresforprovidingplanesurfacesonthetwobearingsurfacesofunitsandprisms.Thepurposeofthisstandardistoprovideconsistentandstandard-izedproceduresforcappingunitsandprismsforcompressiontesting.Theproceduresarebasedonthosecontained(orpreviouslycontained)inTestMethodsC140,PracticeC617,andTestMethodC1314.NOTE2—Specimenscappedusingthispracticewillvarysignificantlyinsizeandweight.Appropriatecareandhandlingmaydifferbasedonspecimensiz...
