ASTM C476-16
(Specification)Standard Specification for Grout for Masonry
Standard Specification for Grout for Masonry
ABSTRACT
This specification covers two types of grout, fine and coarse grout, for use in the construction of masonry structures. Grout is specified by proportions or strength requirements. Materials used as ingredients in grout shall conform to the requirements specified such as: cementitious materials; blended cements; quicklime; hydrated lime; coal fly ash or raw calcine natural pozzolan; granulated blast furnace slag; air-entraining admixtures; aggregates; water; pumping aids; antifreeze compounds; and storage of materials. Fine grout shall be manufactured with fine aggregates. Coarse grout shall be manufactured with a combination of coarse and fine aggregates. Proportions of ingredients shall be determined by grout proportion requirements and by the specified compressive strength. Materials for grout shall be measured in such a way that the required proportions of the grout materials are controlled and accurately measured. Grout shall be produced using one of the following procedures: grout materials mixed with water at the job site and ready-mixed grout transported to the job site.
SCOPE
1.1 This specification covers two types of grout, fine and coarse grout, for use in the construction of masonry structures. Each type (fine and coarse) is further classified as conventional grout (requiring mechanical consolidation by puddling or vibration when placed) and self-consolidating grout (not requiring mechanical consolidation when placed). Conventional grout is specified 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 considered 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 mathematical conversions to SI units that are provided for information only and are not considered standard.
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Designation:C476 −16
Standard Specification for
1
Grout for Masonry
This standard is issued under the fixed designation C476; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript 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* C595/C595M Specification for Blended Hydraulic Cements
C618 Specification for Coal Fly Ash and Raw or Calcined
1.1 This specification covers two types of grout, fine and
Natural Pozzolan for Use in Concrete
coarse grout, for use in the construction of masonry structures.
C989/C989M Specification for Slag Cement for Use in
Each type (fine and coarse) is further classified as conventional
Concrete and Mortars
grout (requiring mechanical consolidation by puddling or
C1019 Test Method for Sampling and Testing Grout
vibration when placed) and self-consolidating grout (not re-
C1157/C1157M Performance Specification for Hydraulic
quiring mechanical consolidation when placed). Conventional
Cement
grout is specified by (1) proportions or (2) strength require-
C1611/C1611M Test Method for Slump Flow of Self-
ments. Self-consolidating grout is specified by strength re-
Consolidating Concrete
quirements.
1.2 The text of this specification references notes and 3. Materials
footnotes that provide explanatory material. These notes and
3.1 Materials used as ingredients in grout shall conform to
footnotes (excluding those in tables and figures) shall not be
the requirements specified in 3.1.1 – 3.1.8.
considered as requirements of this specification.
3.1.1 Cementitious Materials—Cementitious materials shall
conform to one of the following specifications:
1.3 The values stated in inch-pound units are to be regarded
as standard. The values given in parentheses are mathematical 3.1.1.1 Portland Cement—Type I, IA, II, IIA, III, and IIIA
of Specification C150/C150M.
conversions to SI units that are provided for information only
and are not considered standard. 3.1.1.2 Blended Cements—Type IS, IS(MS), IS-A, IS-
A(MS), IP, or IP-Aof Specification C595/C595M or types GU,
2. Referenced Documents
HE, MS, or HS of Specification C1157/C1157M.
2
3.1.1.3 Quicklime—Specification C5.
2.1 ASTM Standards:
3.1.1.4 Hydrated Lime—Type S of Specification C207.
C5 Specification for Quicklime for Structural Purposes
3.1.1.5 Coal Fly Ash or Raw Calcined Natural Pozzolan—
C143/C143M Test Method for Slump of Hydraulic-Cement
Specification C618. Addition rates shall be in an amount
Concrete
governed by the portland-pozzolan cement category of Speci-
C150/C150M Specification for Portland Cement
fication C595/C595M. The grout produced with blends of
C207 Specification for Hydrated Lime for Masonry Pur-
portland cement and fly ash or raw calcined natural pozzolan
poses
shall have the compressive strength specified (4.2.1.2 or
C260/C260M Specification for Air-Entraining Admixtures
4.2.2.1).
for Concrete
3.1.1.6 Granulated Blast Furnace Slag—Specification
C404 Specification for Aggregates for Masonry Grout
C989/C989M. Addition rates shall be as governed by the
C494/C494M Specification for Chemical Admixtures for
portland blast furnace slag cement category of Specification
Concrete
C595/C595M.Groutsproducedwithblendsofportlandcement
and granulated blast furnace slag shall have the compressive
1
This specification is under the jurisdiction of ASTM Committee C12 on
strength specified (4.2.1.2 or 4.2.2.1).
Mortars and Grouts for Unit Masonryand is the direct responsibility of Subcom-
3.1.2 Air-Entraining Admixtures—Air-entraining admix-
mittee C12.05 on Grout & Grout Admixtures for Masonry.
tures shall conform to Specification C260/C260M.
Current edition approved July 15, 2016. Published July 2016. Originally
3.1.3 Aggregates—Aggregates shall conform to Specifica-
approved in 1961. Last previous edition approved in 2010 as C476 – 10. DOI:
10.1520/C0476-16.
tion C404.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3.1.4 Water—Water shall be clean and potable.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3.1.5 Admixtures—Integral waterproofing compounds,
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. accelerators, or other admixtures not mentioned definitely in
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C476−16
TABLE 1 Conventional Grout Proportions by Volume
Type Parts by Volume of Parts by Volume of Aggregate,
Portland Ceme
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C476 − 10 C476 − 16
Standard Specification for
1
Grout for Masonry
This standard is issued under the fixed designation C476; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript 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 use in the construction of masonry structures. Each
type (fine and coarse) is further classified as conventional grout (requiring mechanical consolidation by puddling or vibration when
placed) and self-consolidating grout (not requiring mechanical consolidation when placed). Conventional grout is specified 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 considered 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 mathematical
conversions to SI units that are provided for information only and are not considered standard.
2. Referenced Documents
2
2.1 ASTM Standards:
C5 Specification for Quicklime for Structural Purposes
C143/C143M Test Method for Slump of Hydraulic-Cement Concrete
C150C150/C150M Specification for Portland Cement
C207 Specification for Hydrated Lime for Masonry Purposes
C260C260/C260M Specification for Air-Entraining Admixtures for Concrete
C404 Specification for Aggregates for Masonry Grout
C494/C494M Specification for Chemical Admixtures for Concrete
C595C595/C595M Specification for Blended Hydraulic Cements
C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
C989C989/C989M Specification for Slag Cement for Use in Concrete and Mortars
C1019 Test Method for Sampling and Testing Grout
C1157C1157/C1157M Performance Specification for Hydraulic Cement
C1611/C1611M Test Method for Slump Flow of Self-Consolidating Concrete
3. Materials
3.1 Materials used as ingredients in grout shall conform to the requirements specified in 3.1.1 – 3.1.8.
3.1.1 Cementitious Materials—Cementitious materials shall conform to one of the following specifications:
3.1.1.1 Portland Cement—Type I, IA, II, IIA, III, and IIIA of Specification C150C150/C150M.
3.1.1.2 Blended Cements—Type IS, IS(MS), IS-A, IS-A(MS), IP, or IP-A of Specification C595C595/C595M or types GU, HE,
MS, or HS of Specification C1157C1157/C1157M.
3.1.1.3 Quicklime—Specification C5.
3.1.1.4 Hydrated Lime—Type S of Specification C207.
3.1.1.5 Coal Fly Ash or Raw Calcined Natural Pozzolan—Specification C618. Addition rates shall be in an amount governed
by the portland-pozzolan cement category of Specification C595C595/C595M. The grout produced with blends of portland cement
and 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 and Grouts for Unit Masonryand is the direct responsibility of Subcommittee C12.05
on Grout & Grout Admixtures for Masonry.
Current edition approved June 1, 2010July 15, 2016. Published June 2010July 2016. Originally approved in 1961. Last previous edition approved in 20092010 as
C476 – 09.C476 – 10. DOI: 10.1520/C0476-10.10.1520/C0476-16.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C476 − 16
TABLE 1 Conventional Grout Proportions by Volume
Type Parts by Volume of Parts by Volume of Aggregate,
Portland Cement or Hydrated Lime or Lime Measured in a Damp, Loose Condition
Blended Cement Putty
Fine Coarse
1 1
Fine grout 1 0– ⁄10 2 ⁄4 –3 times the sum of the . . .
volumes of the cementitious
materials
1 1
Coarse grout 1 0– ⁄10 2 ⁄4 –3 times the sum of the 1–2 times the sum of the
v
...
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