1、Designation:C169716Standard Specification forBlended Supplementary Cementitious Materials1This standard is issued under the fixed designation C1697;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
2、 parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers blended supplementary ce-mentitious materials that result from the blending or intergrind-ing of two or three ASTM complia
3、nt supplementary cementi-tious materials,for use in concrete or mortar where hydraulicor pozzolanic action,or both,is desired.The supplementarycementitious materials include slag cement conforming toSpecification C989/C989M,natural pozzolans and coal fly ashconforming to Specification C618 and silic
4、a fume conformingto Specification C1240.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.NOTE1The incorporation of supplementary cementitious materials asseparate additions or as a manufactured blend may significantly alter th
5、eproperties of fresh and hardened concrete.The user should be aware ofthese changes and is referred to the ACI Manual of Concrete Practice2forinformation and guidelines.Specific reference is made to:ACI 232.1RUse of Natural Pozzolans in ConcreteACI 232.2RUse of Fly Ash in ConcreteACI 233RSlag Cement
6、 in Concrete and MortarACI 234RGuide for the Use of Silica Fume in Concrete1.3 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 t
7、he applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:3C114 Test Methods for Chemical Analysis of HydraulicCementC125 Terminology Relating to Concrete and Concrete Ag-gregatesC150/C150M Specification for Portland CementC151/C151M Test Method for Autoclave
8、Expansion of Hy-draulic CementC183/C183M Practice for Sampling and the Amount ofTesting of Hydraulic CementC311/C311M Test Methods for Sampling and Testing FlyAsh or Natural Pozzolans for Use in Portland-CementConcreteC618 Specification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use in
9、 ConcreteC989/C989M Specification for Slag Cement for Use inConcrete and MortarsC1240 Specification for Silica Fume Used in CementitiousMixtures3.Terminology3.1 Definitions:3.1.1 Fordefinitionsofothertermsusedinthisspecification,refer to Terminology C125.3.2 Definitions of Terms Specific to This Sta
10、ndard:3.2.1 slag cement,ngranulated blast furnace slag that isground to cement fineness with or without additions and meetsSpecification C989/C989M.3.2.2 supplementary cementitious material,na slag ce-ment or pozzolan that contributes to the properties of concreteor mortar through hydraulic or pozzo
11、lanic activity,or both.3.2.3 silica fume,nas defined in Specification C1240.4.Classification4.1 This specification applies to a hydraulic or pozzolanicmaterial composed of a blend of multiple supplementarycementitious materials as defined in Table 1.The supplemen-tary cementitious materials of the b
12、lend are identified inaccordance with the Type listed in the first column of Table 1.For the purpose of conformance to the requirements of thisspecification,the blend is classified according to the predomi-nant supplementary cementitious material.For blended supple-mentary cementitious matierals tha
13、t have no predominantconstituent,the manufacturer selects the blend type.4.2 The naming practice for reporting blended supplemen-tary cementitious materials is as follows:SCMb2 Axx/Byy/Czz1This specification is under the jurisdiction of ASTM Committee C09 onConcrete and Concrete Aggregates and is th
14、e direct responsibility of SubcommitteeC09.24 on Supplementary Cementitious Materials.Current edition approved Oct.1,2016.Published October 2016.Originallyapproved in 2010.Last previous edition approved in 2010 as C1697-10.DOI:10.1520/C1697-16.2Available from American Concrete Institute(ACI),P.O.Box
15、 9094,FarmingtonHills,MI 48333-9094,http:/www.concrete.org.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.Copyrig
16、ht ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 where:SCMb=designation of the product as a blended supplemen-tary cementitious material,A=targeted mass%of the predominant supplementarycementitious material in the blended supplementarycementitious material expressed by mass of thefinal blended supplementary cementitious material,xx=predominantsupplementarycementitiousmaterialuse Type designation in accordance withTable 1,B=targeted mass%of th