Designation:D1985−13StandardPracticeforPreparingConcreteBlocksforTestingSealants,forJointsandCracks1ThisstandardisissuedunderthefixeddesignationD1985;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthepreparationofconcreteblocksusedfortestingofjointandcracksealantsforportlandcementconcreteandasphalticconcretepavements.Therearenumer-ousstandardmaterialspecificationsthatuseconcreteblockspreparedaccordingtothispractice.Refertothespecificstandardmaterialspecificationofinteresttodeterminewhichtestsapplyandrefertothetestmethodsforeachspecifictest.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C33SpecificationforConcreteAggregatesC150SpecificationforPortlandCementC192/C192MPracticeforMakingandCuringConcreteTestSpecimensintheLaboratoryE171PracticeforConditioningandTestingFlexibleBarrierPackaging3.SignificanceandUse3.1Itisintendedthatthispracticemaybeusedbymanufacturers,users,andtestingagencies.Theuseofthispracticeestablishesauniformprocedureforpreparingconcreteblocksforthetestingofsealants.Itisnotintendedtoestablishtestproceduresorconditionsoftestwhichareassociatedwitheachofthejointsealants.4.StandardConditions4.1Thelaboratoryatmosphericconditions,hereinafterre-ferredtoasstandardconditions,shallbeinaccordancewithSpecificationE171,(2362°C(73.463.6°F)and50%65%relativehumidity).5.ConcreteBlockPreparation35.1Materials—TheaggregateshallconformtoSpecifica-tionC33,exceptasspecifiedherein.Theag...
