ASTM_C_1314_-_18.pdf

Designation:C131418Standard Test Method forCompressive Strength of Masonry Prisms1This standard is issued under the fixed designation C1314;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This test method covers procedures for masonry prismconstruction and testing,and procedures for determining thecompressive strength of masonry,fmt,used to determinecompliance with the specified compressive strength ofmasonry,f m.When this test method is used for researchpurposes,the construction and test procedures within serve asa guideline and provide control parameters.1.2 This test method also covers procedures for determiningthe compressive strength of prisms obtained from field-removed masonry specimens.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 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,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C67/C67M Test Methods for Sampling and Testing Brickand Structural Clay TileC136/C136M Test Method for Sieve Analysis of Fine andCoarse AggregatesC140/C140M Test Methods for Sampling and Testing Con-crete Masonry Units and Related UnitsC143/C143M Test Method for Slump of Hydraulic-CementConcreteC144 Specification for Aggregate for Masonry MortarC270 Specification for Mortar for Unit MasonryC476 Specification for Grout for MasonryC780 Test Method for Preconstruction and ConstructionEvaluation of Mortars for Plain and Reinforced UnitMasonryC1019 Test Method for Sampling and Testing GroutC1093 Practice for Accreditation of Testing Agencies forMasonryC1180 Terminology of Mortar and Grout for Unit MasonryC1232 Terminology for MasonryC1532/C1532M Practice for Selection,Removal,and Ship-ment of Manufactured Masonry Units and Masonry Speci-mens from Existing ConstructionC1552 Practice for Capping Concrete Masonry Units,Re-lated Units and Masonry Prisms for Compression TestingC1587/C1587M Practice for Preparation of Field RemovedManufactured Masonry Units and Masonry Specimens forTestingC1716/C1716M Specification for Compression Testing Ma-chine Requirements for Concrete Masonry Units,RelatedUnits,and PrismsE105 Practice for Probability Sampling of MaterialsE111 Test Method for Youngs Modulus,Tangent Modulus,and Chord Modulus3.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this test method,referto Terminologies C1180 and C1232.3.2 Definitions of Terms Specific to This Standard:3.2.1 seta set consists of at least three prisms constructedof the same material and tested at the same age.3.3 Notations:3.3.1 f mspecified compressive strength of masonry.3.3.2 fmtcompressive strength of masonry.3.3.3 hpprism height.3.3.4 tpleast actual lateral dimension of prism.1This test method is under the jurisdiction of ASTM Committee C15 onManufactured Masonry Units and is the direct responsibility of SubcommitteeC15.04 on Research.Current edition approved Dec.1,2018.Published December 2018.Originallyapproved in 1995.Last previous edition approved in 2016 as C1314 16.DOI:10.1520/C1314-18.2For 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.*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 StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.Significance and Use4.1 This test method provides a means of verifying thatmasonry materials used in construction result in masonry thatmeets the specified compressive strength.4.2 This test method provides a means of evaluating com-pressive strength characteristics of in-place masonry construc-tion through testing of prisms