ASTM C1372-01

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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Designation: C 1372 – 01
Standard Specification for
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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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1. Scope * C 1232 Terminology of Masonry
C 1262 Test Method for Evaluating the Freeze-Thaw Dura-
1.1 This specification covers segmental retaining wall units
bility of Manufactured Concrete Masonry Units and Re-
of concrete, machine–made from portland cement, water, and
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lated Concrete Units
suitable mineral aggregates with or without the inclusion of
other materials. The units are intended for use in the construc-
3. Terminology
tion of mortarless segmental retaining walls.
3.1 Terminology defined in Terminology C 1209 and Ter-
NOTE 1—When particular features are desired, such as weight classifi-
minology C 1232 shall apply for this specification.
cation, higher compressive strength, surface texture, finish, color, or other
special features, such properties should be specified separately by the
4. Materials
purchaser. Local suppliers should be consulted as to availability of units
4.1 Cementitious Materials—Materials shall conform to the
having the desired features.
following applicable specifications:
1.2 The text of this standard references notes and footnotes
4.1.1 Portland Cements—Specification C 150.
which provide explanatory material. These notes and footnotes
4.1.2 Modified Portland Cement—Portland cement con-
(excluding those in tables and figures) shall not be considered
forming to Specification C 150, modified as follows:
as requirements of the standard.
4.1.2.1 Limestone—Limestone, with a minimum 85 % Cal-
1.3 The values stated in inch-pound units are to be regarded
cium Carbonate (CaCO ) content, shall be permitted to be
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as the standard. The values given in parentheses are for
added to the cement, provided these requirements of Specifi-
information only.
cation C 150 as modified are met:
(1) Limitation on Insoluble Residue—1.5 %.
2. Referenced Documents
(2) Limitation on Air Content of Mortar—Volume percent,
2.1 ASTM Standards:
22 % max.
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C 33 Specification for Concrete Aggregates
(3) Limitation on Loss of Ignition—7 %.
C 140 Test Methods for Sampling and Testing Concrete
4.1.3 Blended Cements— Specification C 595 or C 1157.
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Masonry Units and Related Units
4.1.4 Pozzolans—Specification C 618.
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C 150 Specification for Portland Cement
4.1.5 Blast Furnace Slag Cement—Specification C 989.
C 331 Specification for Lightweight Aggregates for Con-
4.2 Aggregates—Aggregates shall conform to the following
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crete Masonry Units
specifications, except that grading requirements shall not
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C 595 Specification for Blended Hydraulic Cements
necessarily apply:
C 618 Specification for Coal Fly Ash and Raw or Calcined
4.2.1 Normal Weight Aggregates—Specification C 33.
Natural Pozzolan for Use as a Mineral Admixture in
4.2.2 Lightweight Aggregates—Specification C 331.
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Concrete
4.3 Other Constituents—Air-entraining agents, coloring
C 989 Specification for Ground Granulated Blast-Furnace
pigments, integral water repellents, finely ground silica, and
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Slag for Use in Concrete and Mortars
other constituents shall be previously established as suitable for
C 1157 Performance Specification for Blended Hydraulic
use in segmental retaining wall units and shall conform to
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Cement
applicable ASTM standards or shall be shown by test or
C 1209 Terminology of Concrete Masonry Units and Re-
experience to be not detrimental to the durability of the
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lated Units
segmental retaining wall units or any material customarily used
in segmental retaining wall construction.
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This specification is under the jurisdiction of ASTM Committee C15 on
Manufactured Masonry Units and is the direct responsibility of C15.03 on Concrete
5. Physical Requirements
Masonry Units and Related Units.
5.1 At the time of delivery to the work site, the units shall
Current edition approved Jan. 10, 2001. Published February 2001. Originally
published as C 1372–97. Last previous edition C 1372–00.
conform to the physical requirements of Table 1 when tested in
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Annual Book of ASTM Standards, Vol 04.02.
accordance with 8.2.
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Annual Book of ASTM Standards, Vol 04.05.
4 5.2 Freeze-Thaw Durability—In areas where repeated
Annual Book of ASTM Standards, Vol 04.01.
*A Summary of Changes section appears at the end of this standard.
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C 1372
TABLE 1 Strength and Absorption Requirements
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Minimum Required Net Average Compressive Maximum
...