Standard Specification for Dry-Cast Segmental Retaining Wall Units

SCOPE
1.1 This specification covers segmental retaining wall units of concrete, machine-made from portland cement, water, and suitable mineral aggregates with or without the inclusion of other materials. The units are intended for use in the construction of mortarless segmental retaining walls.
Note 1—When particular features are desired, such as weight classification, higher compressive strength, surface texture, finish, color, or other special features, such properties should be specified separately by the purchaser. Local suppliers should be consulted as to availability of units having the desired features.
1.2 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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Historical
Publication Date
31-Dec-2003
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Ref Project

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Effective Date
01-Jan-2004

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ASTM C1372-04e1 - Standard Specification for Dry-Cast Segmental Retaining Wall Units
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: C 1372 – 04
Standard Specification for
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Dry-Cast Segmental Retaining Wall Units
This standard is issued under the fixed designation C 1372; 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 (e) indicates an editorial change since the last revision or reapproval.
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e NOTE—An editorial change was made to the title in June 2004.
1. Scope* Slag for Use in Concrete and Mortars
C 1157 Performance Specification for Hydraulic Cement
1.1 This specification covers dry-cast segmental retaining
C 1209 Terminology of Concrete Masonry Units and Re-
wall units of concrete, machine–made from hydraulic cement,
lated Units
water, and suitable mineral aggregates with or without the
C 1232 Terminology of Masonry
inclusion of other materials. The units are intended for use in
C 1262 Test Method for Evaluating the Freeze-Thaw Dura-
the construction of mortarless segmental retaining walls.
bility of Manufactured Concrete Masonry Units and Re-
NOTE 1—When particular features are desired, such as weight classifi-
lated Concrete Units
cation, higher compressive strength, surface texture, finish, color, or other
special features, such properties should be specified separately by the
3. Terminology
purchaser. Local suppliers should be consulted as to availability of units
3.1 Terminology defined in Terminology C 1209 and Ter-
having the desired features.
minology C 1232 shall apply for this specification.
1.2 The text of this standard references notes and footnotes
3.2 Definitions:
which provide explanatory material. These notes and footnotes
3.2.1 Dry-cast, adj—manufacturingconcreteproductsusing
(excluding those in tables and figures) shall not be considered
low frequency, high amplitude vibration to consolidate con-
as requirements of the standard.
crete of stiff or extremely dry consistency in a form.
1.3 The values stated in inch-pound units are to be regarded
3.2.2 segmental retaining wall unit, n—unit manufactured
as the standard. The values given in parentheses are for
of concrete for the construction of dry-stacked earth retaining
information only.
walls.
3.2.3 segmental retaining wall unit, dry-cast, n—a segmen-
2. Referenced Documents
tal retaining wall unit manufactured of concrete using a
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2.1 ASTM Standards:
dry-cast process.
C 33 Specification for Concrete Aggregates
C 140 Test Methods for Sampling and Testing Concrete
4. Materials
Masonry Units and Related Units
4.1 Cementitious Materials—Materials shall conform to the
C 150 Specification for Portland Cement
following applicable specifications:
C 331 Specification for Lightweight Aggregates for Con-
4.1.1 Portland Cements—Specification C 150.
crete Masonry Units
4.1.2 Modified Portland Cement—Portland cement con-
C 595 Specification for Blended Hydraulic Cements
forming to Specification C 150, modified as follows:
C 618 Specification for Coal Fly Ash and Raw or Calcined
4.1.2.1 Limestone—Limestone, with a minimum 85 % Cal-
Natural Pozzolan for Use as a Mineral Admixture in
cium Carbonate (CaCO ) content, shall be permitted to be
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Concrete
added to the cement, provided these requirements of Specifi-
C 989 Specification for Ground Granulated Blast-Furnace
cation C 150 as modified are met:
(1) Limitation on Insoluble Residue—1.5 %.
(2) Limitation on Air Content of Mortar—Volume percent,
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This specification is under the jurisdiction of ASTM Committee C15 on
22 % max.
Manufactured Masonry Units and is the direct responsibility of C15.03 on Concrete
(3) Limitation on Loss of Ignition—7 %.
Masonry Units and Related Units.
4.1.3 Blended Hydraulic Cements— Specification C 595.
Current edition approved January 1, 2004. Published February 2004. Originally
approved in 1997. Last previous edition approved in 2003 as C 1372–03.
4.1.4 Hydraulic Cement—Specification C 1157.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4.1.5 Pozzolans—Specification C 618.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
4.1.6 Blast Furnace Slag Cement—Specification C 989.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
*ASummary 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.
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C 1372 – 04
4.2 Aggregates—Aggregates shall conform to the following significantlyimpairthestrengthorpermanenceoftheconstruc-
specifications, except that grading requirements shall not tion. Minor cracks incidental to the usual method of manufac-
necessarily apply: ture or minor chipping resulting from customary methods
...

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