1、Designation: C 476 08Standard Specification forGrout for Masonry1This standard is issued under the fixed designation C 476; 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 indicate
2、s the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specification covers two types of grout, fine andcoarse grout, for use in the
3、construction of masonry structures.Grout is specified by (1) proportions or (2) strength require-ments.1.2 The text of this specification references notes andfootnotes that provide explanatory material. These notes andfootnotes (excluding those in tables and figures) shall not beconsidered as requir
4、ements of this specification.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.2. Referenced Documents2.1 ASTM Standards:2C5 Specificat
5、ion for Quicklime for Structural PurposesC 143/C 143M Test Method for Slump of Hydraulic-Cement ConcreteC 150 Specification for Portland CementC 207 Specification for Hydrated Lime for Masonry Pur-posesC 260 Specification for Air-Entraining Admixtures for Con-creteC 404 Specification for Aggregates
6、for Masonry GroutC 595 Specification for Blended Hydraulic CementsC 618 Specification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use in ConcreteC 989 Specification for Ground Granulated Blast-FurnaceSlag for Use in Concrete and MortarsC 1019 Test Method for Sampling and Testing GroutC
7、1157 Performance Specification for Hydraulic Cement3. Materials3.1 Materials used as ingredients in grout shall conform tothe requirements specified in 3.1.1-3.1.8.3.1.1 Cementitious MaterialsCementitious materials shallconform to one of the following specifications:3.1.1.1 Portland CementType I, IA
8、, II, IIA, III, and IIIAof Specification C 150.3.1.1.2 Blended CementsType IS, IS(MS), IS-A, IS-A(MS), IP, or IP-A of Specification C 595 or types GU, HE,MS, or HS of Specification C 1157.3.1.1.3 QuicklimeSpecification C5.3.1.1.4 Hydrated LimeType S of Specification C 207.3.1.1.5 Coal Fly Ash or Raw
9、 Calcined Natural PozzolanSpecification C 618. Addition rates shall be in an amountgoverned by the portland-pozzolan cement category of Speci-fication C 595. The grout produced with blends of portlandcement and fly ash or raw calcined natural pozzolan shall havethe compressive strength specified (4.
10、2.2).3.1.1.6 Granulated Blast Furnace SlagSpecificationC 989.Addition rates shall be as governed by the portland blastfurnace slag cement category of Specification C 595. Groutsproduced with blends of portland cement and granulated blastfurnace slag shall have the compressive strength specified(4.2.
11、2).3.1.2 Air-Entraining AdmixturesAir-entraining admix-tures shall conform to Specification C 260.3.1.3 AggregatesAggregates shall conform to Specifica-tion C 404.3.1.4 WaterWater shall be clean and potable.3.1.5 AdmixturesIntegral waterproofing compounds, ac-celerators, or other admixtures not ment
12、ioned definitely in thespecification shall not be used in grout for use in reinforcedmasonry without approval from the purchaser.3.1.6 Pumping AidsPumping aids are permitted to be usedin cases where the brand, quality, and quantity are approved inwriting by the purchaser or are definitely stipulated
13、 in thespecification.1This specification is under the jurisdiction of ASTM Committee C12 onMortars and Grouts for Unit Masonry and is the direct responsibility of Subcom-mittee C12.05 on Grout cement; compressive strength; grout; ma-sonry; portland cement; proportionsTABLE 1 Grout Proportions by Vol
14、umeType Parts by Volume ofPortland Cement orBlended CementParts by Volume ofHydrated Lime or LimePuttyAggregate,Measured in a Damp, Loose ConditionFine CoarseFine grout 1 0110 214 3 times the sum of thevolumes of the cementitiousmaterials.Coarse grout 1 0110 214 3 times the sum of thevolumes of the
15、cementitiousmaterials12 times the sum of thevolumes of the cementitiousmaterialsC476082SUMMARY OF CHANGESCommittee C12 has identified the location of selected changes to this standard since the last issue (C 476 07)that may impact the use of this standard. (Approved Aug. 1, 2008.)(1) Subsection 5.2.
16、1.3 was modified to allow the use of acontinuous mixer.Committee C12 has identified the location of selected changes to this standard since the last issue (C 476 02)that may impact the use of this standard. (Approved Aug. 1, 2007.)(1) Section 5.2 was modified and reorganized to delineatethose produc
17、tion methods in which water is added at the jobsite from those methods in which the water is added at anotherlocation.ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly
18、 advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, ei
19、ther reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may atten
20、d. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).C476083
