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ASTM_A_1034_-_A_1034M_-_10a_2015.pdf
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TM_A_1034_ _A_1034M_ _10a_2015
Designation:A1034/A1034M10a(Reapproved 2015)Standard Test Methods forTesting Mechanical Splices for Steel Reinforcing Bars1This standard is issued under the fixed designation A1034/A1034M;the number immediately following the designation indicates theyear of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These test methods cover the testing of mechanicalsplices for reinforcing bars.The various tests herein describedcan be specified in total or individually.1.2 The test methods herein described are applicable to anytype of mechanical splice manufactured to join steel reinforc-ing bars of any grade(specified minimum yield strength),uncoated or coated.1.3 This standard describes only the methods for testingmechanical splices for steel reinforcing bars,but does notquantify the parameters for testing nor acceptance criteria,which must be specified.NOTE1Various code-writing bodies specify various parameters,suchas test loads,number of cycles and test temperature,for testing.1.4 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.1.5 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:2A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsE4 Practices for Force Verification of Testing MachinesE8 Test Methods for Tension Testing of Metallic MaterialsE9 Test Methods of Compression Testing of Metallic Mate-rials at Room TemperatureE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE83 Practice for Verification and Classification of Exten-someter SystemsE466 Practice for Conducting Force Controlled ConstantAmplitude Axial Fatigue Tests of Metallic MaterialsE467 Practice for Verification of Constant Amplitude Dy-namic Forces in an Axial Fatigue Testing System3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 bar-splice assemblyan assembled specimen consist-ing of two reinforcing bars connected with a mechanical splice.3.1.2 clip gagean electrical device used to measure smalldisplacements in test specimens whose voltage output isconvertible into strain.3.1.3 couplerthreaded device for joining reinforcing barsfor the purpose of providing transfer of either axial compres-sion or axial tension or both from one bar to the other.3.1.4 coupling sleevenon-threaded device for joining re-inforcing bars for the purpose of providing transfer of eitheraxial compression or axial tension or both from one bar to theother.3.1.5 data acquisition systema computer based data log-ging system to record the output of electrical transducersreporting load,strain or displacement.3.1.6 differential elongationthe difference between thetotal movement measured on the splice specimen from zeroload to a predetermined test load and the total movementmeasured on an unspliced bar specimen under the samepredetermined load.3.1.7 linear variable differential transformer(LVDT)anelectrical device used to measure displacements,whose voltageoutput is convertible into strain.3.1.8 mechanical splicethe complete assembly of a cou-pler or a coupling sleeve and possibly additional interveningmaterial or other components to accomplish the splicing of tworeinforcing bars.3.1.9 slipthe difference in extensometer readings over thegage length across the splice,measured at an initial nominal1These test methods are under the jurisdiction of ASTM Committee A01 onSteel,Stainless Steel and Related Alloys and are the direct responsibility ofSubcommittee A01.05 on Steel Reinforcement.Current edition approved Dec.1,2015.Published December 2015.Originallyapproved in 2004.Last previous edition approved in 2010 as A1034/A1034M 10a.DOI:10.1520/A1034_A1034M-10AR15.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 zero load and,after having loaded the bar-splice assembly to atest load and unloaded it again,at the same nominal zero load.3.1.10 splice componentsall components that make up amechanical splice for reinforcing bars,including coupler,coupling sleeve,locknuts,bolts,grout,epoxy,ferrous fillermetal and/or other c

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