1、Designation: C476 10C476 16Standard Specification forGrout for Masonry1This standard is issued under the fixed designation C476; 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 ind
2、icates 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 U.S. Department of Defense.1. Scope*1.1 This specification covers two types of grout, fine and coarse grout, for
3、use in the construction of masonry structures. Eachtype (fine and coarse) is further classified as conventional grout (requiring mechanical consolidation by puddling or vibration whenplaced) and self-consolidating grout (not requiring mechanical consolidation when placed). Conventional grout is spec
4、ified by (1)proportions or (2) strength requirements. Self-consolidating grout is specified by strength requirements.1.2 The text of this specification references notes and footnotes that provide explanatory material. These notes and footnotes(excluding those in tables and figures) shall not be cons
5、idered as requirements of this specification.1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.2. Referenced Documents2.1 ASTM Standa
6、rds:2C5 Specification for Quicklime for Structural PurposesC143/C143M Test Method for Slump of Hydraulic-Cement ConcreteC150C150/C150M Specification for Portland CementC207 Specification for Hydrated Lime for Masonry PurposesC260C260/C260M Specification for Air-Entraining Admixtures for ConcreteC404
7、 Specification for Aggregates for Masonry GroutC494/C494M Specification for Chemical Admixtures for ConcreteC595C595/C595M Specification for Blended Hydraulic CementsC618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in ConcreteC989C989/C989M Specification for Slag Ceme
8、nt for Use in Concrete and MortarsC1019 Test Method for Sampling and Testing GroutC1157C1157/C1157M Performance Specification for Hydraulic CementC1611/C1611M Test Method for Slump Flow of Self-Consolidating Concrete3. Materials3.1 Materials used as ingredients in grout shall conform to the requirem
9、ents specified in 3.1.1 3.1.8.3.1.1 Cementitious MaterialsCementitious materials shall conform to one of the following specifications:3.1.1.1 Portland CementType I, IA, II, IIA, III, and IIIA of Specification C150C150/C150M.3.1.1.2 Blended CementsType IS, IS(MS), IS-A, IS-A(MS), IP, or IP-Aof Specif
10、ication C595C595/C595M or types GU, HE,MS, or HS of Specification C1157C1157/C1157M.3.1.1.3 QuicklimeSpecification C5.3.1.1.4 Hydrated LimeType S of Specification C207.3.1.1.5 Coal Fly Ash or Raw Calcined Natural PozzolanSpecification C618. Addition rates shall be in an amount governedby the portlan
11、d-pozzolan cement category of Specification C595C595/C595M. The grout produced with blends of portland cementand fly ash or raw calcined natural pozzolan shall have the compressive strength specified (4.2.1.2 or 4.2.2.1).1 This specification is under the jurisdiction of ASTM Committee C12 on Mortars
12、 and Grouts for Unit Masonryand is the direct responsibility of Subcommittee C12.05on Grout cement; compressive strength; grout; masonry; portland cement; proportions ; self-consolidating groutSUMMARY OF CHANGESCommittee C12 has identified the location of selected changes to this standard since the
13、last issue(C476 09C476 10) that may impact the use of this standard. (Approved June 1, 2010.)(July 15, 2016)(1) SubsectionAdded 1.13.1.5.1 was revised to clarify types of grout.to permit Type B and D admixtures.(2) Conformance toModified 3.1.6 C494/C494M Type S for viscosity-modifying admixtures in
14、self-consolidating grout was addedto to clarify approval of pumping aids.3.1.5.1.(3) Additional information on C494/C494M Type S specification was added to Note 1.(4) Subsection 5.2.1.2 was revised to clarify the provisions for job site mixing of self-consolidating grout.(5) Note 4 was added to prov
15、ide guidance on the use of the T50 value for self-consolidating grout. Subsequent notes wererenumbered accordingly.C476 164ASTM 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 expr
16、essly 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 revise
17、d, 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 you may a
18、ttend. 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
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