ASTM_C_192_-_C_192M_-_16a.pdf

Designation:C192/C192M16aStandard Practice forMaking and Curing Concrete Test Specimens in theLaboratory1This standard is issued under the fixed designation C192/C192M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This practice covers procedures for making and curingtest specimens of concrete in the laboratory under accuratecontrol of materials and test conditions using concrete that canbe consolidated by rodding or vibration as described herein.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.(WarningFreshhydraulic cementitious mixtures are caustic and may causechemical burns to exposed skin and tissue upon prolongedexposure.2)2.Referenced Documents2.1 ASTM Standards:3C70 Test Method for Surface Moisture in Fine AggregateC125 Terminology Relating to Concrete and Concrete Ag-gregatesC127 Test Method for Relative Density(Specific Gravity)and Absorption of Coarse AggregateC128 Test Method for Relative Density(Specific Gravity)and Absorption of Fine AggregateC138/C138M Test Method for Density(Unit Weight),Yield,and Air Content(Gravimetric)of ConcreteC143/C143M Test Method for Slump of Hydraulic-CementConcreteC172/C172M Practice for Sampling Freshly Mixed Con-creteC173/C173M Test Method forAir Content of Freshly MixedConcrete by the Volumetric MethodC231/C231M Test Method forAir Content of Freshly MixedConcrete by the Pressure MethodC330/C330M Specification for Lightweight Aggregates forStructural ConcreteC403/C403M Test Method for Time of Setting of ConcreteMixtures by Penetration ResistanceC470/C470M Specification for Molds for Forming ConcreteTest Cylinders VerticallyC494/C494M Specification for Chemical Admixtures forConcreteC511 Specification for Mixing Rooms,Moist Cabinets,Moist Rooms,and Water Storage Tanks Used in theTesting of Hydraulic Cements and ConcretesC566 Test Method for Total Evaporable Moisture Content ofAggregate by DryingC617/C617M Practice for Capping Cylindrical ConcreteSpecimensC1064/C1064M Test Method for Temperature of FreshlyMixed Hydraulic-Cement ConcreteC1077 Practice for Agencies Testing Concrete and ConcreteAggregates for Use in Construction and Criteria forTesting Agency Evaluation2.2 American Concrete Institute Publications:4211.3 Practice for Selecting Proportions for No-Slump Con-crete309R Guide for Consolidation of Concrete3.Significance and Use3.1 This practice provides standardized requirements forpreparation of materials,mixing concrete,and making andcuring concrete test specimens under laboratory conditions.1This practice is under the jurisdiction of ASTM Committee C09 on Concreteand ConcreteAggregates and is the direct responsibility of Subcommittee C09.61 onTesting for Strength.Current edition approved June 1,2016.Published June 2016.Originallyapproved in 1944.Last previous edition approved in 2016 as C192/C192M 16.DOI:10.1520/C0192_C0192M-16A.2See section on Safety Precautions,Manual of Aggregate and Concrete Testing,Annual Book of ASTM Standards,Vol 04.02.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4Available from American Concrete Institute(ACI),P.O.Box 9094,FarmingtonHills,MI 48333-9094,http:/www.aci-int.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.2 If specimen preparation is controlled as stipulatedherein,the specimens may be used to develop information forthe following purposes:3.2.1 Mixture proportioning for project concrete,3.2.2 Evaluation of different mixtures and materials,3.2.3 Correlation with nondestructive tests,and3.2.4 Providing specimens for research purposes.NOTE1The concrete test results for concrete specimens made andcured using this practice are widely used.They may be the basis foracceptance testing for project concrete,research evaluations,and otherstudies.Careful and knowledgeable handling of materials,mixingconcrete,molding test specimens,and curing test