ASTM_C_1314_-_16.pdf

Designation:C131416Standard 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 and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C67 Test Methods for Sampling and Testing Brick andStructural Clay TileC136 Test Method for Sieve Analysis of Fine and CoarseAggregatesC140 Test Methods for Sampling and Testing ConcreteMasonry 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 of MasonryC1532 Practice for Selection,Removal,and Shipment ofManufactured Masonry Units and Masonry Specimensfrom Existing ConstructionC1552 Practice for Capping Concrete Masonry Units,Re-lated Units and Masonry Prisms for Compression TestingC1587 Practice for Preparation of Field Removed Manufac-tured Masonry Units and Masonry Specimens for TestingE105 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.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 obtained from that constructionwhen sampled in accordance with Practice C1532.Decisionsmade in preparing such field-removed prisms for testing,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 June 1,2016.Published July 2016.Originally approvedin 1995.Last previous edition approved in 2014 as C1314 14.DOI:10.1520/C1314-16.2For 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 States1 determining the net area,and interpreting the results ofcompression tests require professional judgment.4.3 If this test method is used as a guideline for performingresearch to determine the effects of various prism constructionor test parameters on the compressive strength of masonry,deviations from this test method shall be reported.Suchresearch prisms shall not be used to verify compliance with aspecified compressive strength of masonry.NOTE1The testing laboratory performing this test method should beevaluated in accordance with Practice C1093.4.3.1 Appendix X2 includes guidance information for theresearcher on aspects of materials,construction,and analys