1、Designation: C 476 09Standard 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.Conventional grout, requiring puddling or vibration whenplaced, and self-consolidating grout, are included in thisspecification. Conventional grout is specified by (1) propor-tions or (2) strength requirements. Self-consolidating grout isspecified by strength requi
4、rements.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 requirements of this specification.1.3 The values stated in inch-pound units are to be regardedas sta
5、ndard. 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 Specification for Quicklime for Structural PurposesC 143/C 143M Test Method for Slump of Hydraulic-Cement
6、 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 for Masonry GroutC 494/C 494M Specification for Chemical Admixtures forConcreteC 595 Specificat
7、ion for Blended Hydraulic CementsC 618 Specification for Coal Fly Ash and Raw or CalcinedNatural Pozzolan for Use in ConcreteC 989 Specification for Slag Cement for Use in Concreteand MortarsC 1019 Test Method for Sampling and Testing GroutC 1157 Performance Specification for Hydraulic CementC 1611/
8、C 1611M Test Method for Slump Flow of Self-Consolidating Concrete3. 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 Ce
9、mentType I, IA, 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
10、Fly Ash or Raw 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
11、 specified (4.2.1.2 or 4.2.2.1).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 compress
12、ive strength specified(4.2.1.2 or 4.2.2.1).3.1.2 Air-Entraining AdmixturesAir-entraining admix-tures shall conform to Specification C 260.1This 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
13、 on Grout cement; compressive strength; grout; ma-sonry; portland cement; proportions; self-consolidating groutSUMMARY OF CHANGESCommittee C12 has identified the location of selected changes to this standard since the last issue (C 476 08)that may impact the use of this standard. (Approved June 15,
14、2009.)(1) Revised 1.1, Section 2, 3.1, 4.2, 5.2, Section 6, Note 6, andTable 1, and added new Note 1 (and renumbered notes) toinclude requirements for self-consolidating grout.Committee C12 has identified the location of selected changes to this standard since the last issue (C 476 07)that may impac
15、t the use of this standard. (Approved Aug. 1, 2008.)(1) Subsection 5.2.1.1(3) was modified to allow the use of acontinuous mixer.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 ar
16、e expressly 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
17、revised, either 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 yo
18、u may attend. 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).C476093
