Standard Specification for Dry-Cast Segmental Retaining Wall Units

ABSTRACT
This specification covers dry–cast segmental retaining wall units of concrete, machine–made from hydraulic 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. The material composition of retaining wall units consists of cementitious materials like portland cement and its modified form, limestone, hydraulic cement, blended hydraulic cement, pozzolans, blast furnace slag cement, aggregates, and other constituents which include air-entraining agents, coloring pigments, integral water repellents, and finely ground silica. All units shall be sound and free of cracks or other defects that interfere with the proper placement of the unit or significantly impair the strength or permanence of the construction.
SCOPE
1.1 This specification covers dry-cast segmental retaining wall units of concrete, machine-made from hydraulic 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.

General Information

Status
Historical
Publication Date
31-Dec-2003
Current Stage
Ref Project

Relations

Effective Date
01-Jan-2004

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ASTM C1372-04e2 - 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information.
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Designation: C1372 – 04
Standard Specification for
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Dry-Cast Segmental Retaining Wall Units
This standard is issued under the fixed designation C1372; 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.
1
´ NOTE—An editorial change was made to the title in June 2004.
2
´ NOTE—A heading in Table 1 was editorially corrected in March 2007.
1. Scope* C1157 Performance Specification for Hydraulic Cement
C1209 Terminology of Concrete Masonry Units and Re-
1.1 This specification covers dry-cast segmental retaining
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lated Units
wall units of concrete, machine–made from hydraulic cement,
C1232 Terminology of Masonry
water, and suitable mineral aggregates with or without the
C1262 Test Method for Evaluating the Freeze-Thaw Dura-
inclusion of other materials. The units are intended for use in
bility of Dry-Cast Segmental Retaining Wall Units and
the construction of mortarless segmental retaining walls.
Related Concrete Units
NOTE 1—When particular features are desired, such as weight classifi-
cation, higher compressive strength, surface texture, finish, color, or other
3. Terminology
special features, such properties should be specified separately by the
3.1 Terminology defined in Terminology C1209 and Termi-
purchaser. Local suppliers should be consulted as to availability of units
nology C1232 shall apply for this specification.
having the desired features.
3.2 Definitions:
1.2 The text of this standard references notes and footnotes
3.2.1 Dry-cast, adj—manufacturingconcreteproductsusing
which provide explanatory material. These notes and footnotes
low frequency, high amplitude vibration to consolidate con-
(excluding those in tables and figures) shall not be considered
crete of stiff or extremely dry consistency in a form.
as requirements of the standard.
3.2.2 segmental retaining wall unit, n—unit manufactured
1.3 The values stated in inch-pound units are to be regarded
of concrete for the construction of dry-stacked earth retaining
as the standard. The values given in parentheses are for
walls.
information only.
3.2.3 segmental retaining wall unit, dry-cast, n—a segmen-
tal retaining wall unit manufactured of concrete using a
2. Referenced Documents
dry-cast process.
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2.1 ASTM Standards:
C33 Specification for Concrete Aggregates
4. Materials
C140 Test Methods for Sampling and Testing Concrete
4.1 Cementitious Materials—Materials shall conform to the
Masonry Units and Related Units
following applicable specifications:
C150 Specification for Portland Cement
4.1.1 Portland Cements—Specification C150.
C331 Specification for Lightweight Aggregates for Con-
4.1.2 Modified Portland Cement—Portland cement con-
crete Masonry Units
forming to Specification C150, modified as follows:
C595 Specification for Blended Hydraulic Cements
4.1.2.1 Limestone—Limestone, with a minimum 85 % Cal-
C618 Specification for Coal Fly Ash and Raw or Calcined
cium Carbonate (CaCO ) content, shall be permitted to be
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Natural Pozzolan for Use in Concrete
added to the cement, provided these requirements of Specifi-
C989 Specification for Slag Cement for Use in Concrete
cation C150 as modified are met:
and Mortars
(1) Limitation on Insoluble Residue—1.5 %.
(2) Limitation on Air Content of Mortar—Volume percent,
22 % max.
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This specification is under the jurisdiction of ASTM Committee C15 on
(3) Limitation on Loss of Ignition—7 %.
Manufactured Masonry Units and is the direct responsibility of C15.03 on Concrete
Masonry Units and Related Units
4.1.3 Blended Hydraulic Cements— Specification C595.
Current edition approved Jan. 1, 2004. Published February 2004. Originally
4.1.4 Hydraulic Cement—Specification C1157.
approved in 1997. Last previous edition approved in 2003 as C1372 – 03. DOI:
4.1.5 Pozzolans—Specification C618.
10.1520/C1372-04E02.
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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
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Standards volume information, refer to the standard’s Document Summary page on Withdrawn. The last approved version of this historical standard is referenced
the ASTM website. on www.astm.org.
*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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C1372 – 04
4.1.6 Blast Furnace Slag Cement—Specification C989. significantlyimpairthestrengthorpermanenceoftheconstruc-
4.2 Aggregates—Aggregates shall conform to the following tion. Minor cracks incidental to the usual method of manufac-
specifi
...

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