ASTM C125-00

Standard Terminology Relating to Concrete and Concrete Aggregates

General Information

• Status: Historical
• Publication Date: 31-Dec-1999
• ICS: 91.100.30 - Concrete and concrete products
• Technical Committee: C09 - Concrete and Concrete Aggregates
• Drafting Committee: C09.91 - Terminology

Standards Content (Sample)

Designation: C 125 – 00
Standard Terminology Relating to
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Concrete and Concrete Aggregates
This standard is issued under the fixed designation C 125; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope of concrete or mortar and added to the batch immediately
before or during its mixing.
1.1 The following definitions apply to hydraulic cement
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accelerating admixture, n—admixture that accelerates the
concrete, although some of them may have wider application.
setting and early strength development of concrete. (C 494/
2. Referenced Documents 494M)
air-entraining admixture, n—admixture that causes the devel-
2.1 ASTM Standards:
opment of a system of microscopic air bubbles in concrete or
C 109/C 109M Test Method for Compressive Strength of
mortar during mixing.
Hydraulic Cement Mortars (Using 2–in. or 50–mm Cube
3
retarding admixture, n—admixture that retards the setting of
Specimens)
concrete. (C 494/ 494M)
C 143/C 143M Test Method for Slump of Hydraulic Ce-
4
water-reducing admixture, n—admixture that either increases
ment Concrete
the slump of freshly mixed mortar or concrete without
C 403/C 403M Test Method for Time of Setting of Concrete
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increasing the water content or that maintains the slump with
Mixtures by Penetration Resistance
a reduced amount of water due to factors other than air
C 494/ 494M Specification for Chemical Admixtures for
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entrainment.
Concrete
aggregate, n—granular material, such as sand, gravel, crushed
C 939 Test Method for Flow of Grout for Preplaced-
4
stone, or iron blast-furnace slag, used with a cementing
Aggregate Concrete (Flow Cone Method)
medium to form hydraulic-cement concrete or mortar.
C 1074 Practice for Estimating Concrete Strength by the
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coarse aggregate, n—(1) aggregate predominantly retained on
Maturity Method
the 4.75-mm (No. 4) sieve; or (2) that portion of an
3. Terminology
aggregate retained on the 4.75-mm (No. 4) sieve.
absorption, n—the process by which a liquid is drawn into and DISCUSSION—The definitions are alternatives to be applied under
differing circumstances. Definition (1) is applied to an entire aggregate
tends to fill permeable pores in a porous solid body; also, the
either in a natural condition or after processing. Definition (2) is applied
increase in mass of a porous solid body resulting from the
to a portion of an aggregate. Requirements for properties and grading
penetration of a liquid into its permeable pores.
should be stated in the specification.
DISCUSSION—In the case of concrete and concrete aggregates, unless
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fine aggregate, n—(1) aggregate passing the ⁄8-in. (9.5-mm)
otherwise stated, the liquid involved is water, the increase in mass is
sieve and almost entirely passing the 4.75-mm (No. 4) sieve
that which does not include water adhering to the outside surface, the
and predominantly retained on the 75-μm (No. 200) sieve; or
increase in mass is expressed as a percentage of the dry mass of the
body and the body is considered to be “dry” when it has been treated (2) that portion of an aggregate passing the 4.75-mm (No. 4)
by an appropriate process to remove uncombined water, such as drying
sieve and retained on the 75-μm (No. 200) sieve.
to constant mass at a temperature between 100 and 110°C.
DISCUSSION—The definitions are alternatives to be applied under
admixture, n—a material other than water, aggregates, hy-
differing circumstances. Definition (1) is applied to an entire aggregate
draulic cement, and fiber reinforcement used as an ingredient either in a natural condition or after processing. Definition (2) is applied
to a portion of an aggregate. Requirements for properties and grading
should be stated in the specifications.
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This terminology is under the jurisdiction of ASTM Committee C-9 on
Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee
heavyweight aggregate, n—aggregate of high density; such as
C09.91 on Editorial and Terminology.
barite, magnetite, limonite, ilmenite, iron, or steel.
Current edition approved Jan. 10, 2000. Published March 2000. Originally
lightweight aggregate, n—aggregate of low density used to
published as C 125 – 36 T. Last previous edition C 125 – 99a.
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C 219, Terminology Relating to Hydraulic Cement contains definitions of a
produce lightweight concrete, including: pumice, scoria,
number of items in use in standards under the jurisdiction of Committee C-9.
volcanic cinders, tuff, and diatomite; expanded or sintered
Definitions of additional terms may be found in Cement and Concrete Terminology,
clay, shale, slate, diatomaceous shale, perlite, vermiculite, or
116R American Concrete Institute, P.O. Box 19150, Detroit, MI 48219.
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