1、Designation:C156713Standard Test Method forDetermining the Potential Alkali-Silica Reactivity ofCombinations of Cementitious Materials and Aggregate(Accelerated Mortar-Bar Method)1This standard is issued under the fixed designation C1567;the number immediately following the designation indicates the
2、 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 permits detection within 16 days of thep
3、otential for deleterious alkali-silica reaction of combinationsof cementitious materials and aggregate in mortar bars.Thecementitious materials are composed of various proportions ofhydraulic cement,pozzolans and ground granulated blast-furnace slag.1.2 The test results are only valid for the specif
4、ic combina-tions of pozzolan,slag,and reactive aggregates tested.1.3 This test is not suitable for evaluating the potential fordeleterious reaction of combinations of hydraulic cement andaggregate(that is,in the absence of pozzolans or groundgranulated blast-furnace slag).1.4 The values stated in SI
5、 units are to be regarded asstandard.No other units of measurement are included in thisstandard.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 prac
6、tices and determine the applica-bility of regulatory limitations prior to use.A specific precau-tionary statement is given in the section on Reagents.2.Referenced Documents2.1 ASTM Standards:2C109/C109M Test Method for Compressive Strength ofHydraulic Cement Mortars(Using 2-in.or 50-mm CubeSpecimens
7、)C125 Terminology Relating to Concrete and Concrete Ag-gregatesC127 Test Method for Density,Relative Density(SpecificGravity),and Absorption of Coarse AggregateC128 Test Method for Density,Relative Density(SpecificGravity),and Absorption of Fine AggregateC150 Specification for Portland CementC151 Te
8、st Method for Autoclave Expansion of HydraulicCementC305 Practice for Mechanical Mixing of Hydraulic CementPastes and Mortars of Plastic ConsistencyC490 Practice for Use ofApparatus for the Determination ofLength Change of Hardened Cement Paste,Mortar,andConcreteC494/C494M Specification for Chemical
9、 Admixtures forConcreteC511 Specification for Mixing Rooms,Moist Cabinets,Moist Rooms,and Water Storage Tanks Used in theTesting of Hydraulic Cements and ConcretesC618 Specification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use in ConcreteC670 Practice for Preparing Precision and Bias
10、 Statementsfor Test Methods for Construction MaterialsC989 Specification for Slag Cement for Use in Concrete andMortarsC1240 Specification for Silica Fume Used in CementitiousMixturesC1260 Test Method for Potential Alkali Reactivity of Ag-gregates(Mortar-Bar Method)C1293 Test Method for Determinatio
11、n of Length Change ofConcrete Due to Alkali-Silica ReactionC1437 Test Method for Flow of Hydraulic Cement MortarD1193 Specification for Reagent WaterE11 Specification for Woven Wire Test Sieve Cloth and TestSieves3.Terminology3.1 Definitions:3.1.1 For definitions of terms relating to concrete oraggr
12、egates,see Terminology C125.3.2 relative density(OD),nas defined in Test MethodsC127 or C128,for coarse and fine aggregates,respectively.1This test method is under the jurisdiction of ASTM Committee C09 onConcrete and Concrete Aggregatesand is the direct responsibility of SubcommitteeC09.26 on Chemi
13、cal Reactions.Current edition approved Jan.1,2013.Published February 2013.Originallyapproved in 2004.Last previous edition approved in 2011 as C156711.DOI:10.1520/C1567-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual
14、 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 4.Significance and
15、Use4.1 This test method provides a means for evaluating theability of pozzolans and ground granulated blast-furnace slagto control deleterious internal expansion due to alkali-silicareaction when used with an aggregate intended for use inconcrete.It is based on theAccelerated Test Method developedat
16、 the National Building Research Institute(NBRI)in theRepublic of South Africa(1-4).34.2 This test method has been developed for evaluatingcombinations of certain cementitious materials with a singleaggregate source in a mortar of standard proportions.It yieldsan empirical result,which is utilized to compare to criteriawithin some specifications to accept or reject the combinationof materials being evaluated for a particular application.Currently this method has no standard procedure for testingf
