ASTM C618-02

Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use as a Mineral Admixture in Concrete

SCOPE
1.1 This specification covers coal fly ash and raw or calcined natural pozzolan for use in concrete where cementitious or pozzolanic action, or both, is desired, or where other properties normally attributed to fly ash or pozzolans may be desired, or where both objectives are to be achieved.
Note 1—Finely divided materials may tend to reduce the entrained air content of concrete. Hence, if a fly ash or natural pozzolan is added to any concrete for which entrainment of air is specified, provision should be made to ensure that the specified air content is maintained by air content tests and by use of additional air-entraining admixture or use of an air-entraining admixture in combination with air-entraining hydraulic cement.
1.2 The values stated in SI units are to be regarded as the standard.
1.3 The text of this standard references notes and footnotes, which provide explanatory information. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

General Information

• Status: Historical
• Publication Date: 09-Dec-2002
• Technical Committee: C09 - Concrete and Concrete Aggregates
• Drafting Committee: C09.24 - Supplementary Cementitious Materials

Relations

• Replaces: ASTM C618-01 - Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use as a Mineral Admixture in Concrete
• Effective Date: 10-Dec-2002
• Replaced By: ASTM C618-03 - Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
• Effective Date: 10-Jan-2003
• Referred By: ASTM C505-19 - Standard Specification for Nonreinforced Concrete Irrigation Pipe with Rubber Gasket Joints
• Effective Date: 10-Dec-2002
• Referred By: ASTM F1090-15 - Standard Classification for Bank and Mercantile Vault Construction
• Effective Date: 10-Dec-2002
• Referred By: ASTM C1782/C1782M-23 - Standard Specification for Segmental Concrete Paving Slabs
• Effective Date: 10-Dec-2002
• Referred By: ASTM D6684-18 - Standard Specification for Materials and Manufacture of Articulating Concrete Block (ACB) Systems
• Effective Date: 10-Dec-2002
• Referred By: ASTM C1613-22 - Standard Specification for Precast Concrete Gravity Grease Interceptor Tanks
• Effective Date: 10-Dec-2002
• Referred By: ASTM C506M-22a - Standard Specification for Reinforced Concrete Arch Culvert, Storm Drain, and Sewer Pipe (Metric)
• Effective Date: 10-Dec-2002
• Referred By: ASTM C1818-22 - Standard Specification for Synthetic Fiber Reinforced Concrete Culvert, Storm Drain, and Sewer Pipe
• Effective Date: 10-Dec-2002
• Referred By: ASTM C118-19 - Standard Specification for Concrete Pipe for Irrigation or Drainage
• Effective Date: 10-Dec-2002
• Referred By: ASTM C412-19 - Standard Specification for Concrete Drain Tile
• Effective Date: 10-Dec-2002
• Referred By: ASTM C1884-23 - Standard Specification for Manufactured Concrete Ballast Units
• Effective Date: 10-Dec-2002
• Referred By: ASTM E1266-20 - Standard Practice for Processing Mixtures of Lime, Fly Ash, and Heavy Metal Wastes in Structural Fills and Other Construction Applications
• Effective Date: 10-Dec-2002
• Referred By: ASTM C1897-20 - Standard Test Methods for Measuring the Reactivity of Supplementary Cementitious Materials by Isothermal Calorimetry and Bound Water Measurements
• Effective Date: 10-Dec-2002
• Referred By: ASTM C915-79(2018) - Standard Specification for Precast Reinforced Concrete Crib Wall Members
• Effective Date: 10-Dec-2002

Standards Content (Sample)

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: C 618 – 02
Standard Specification for
Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use
1
in Concrete
This standard is issued under the fixed designation C 618; 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 * 3.1.2 fly ash—the finely divided residue that results from
the combustion of ground or powdered coal and that is
1.1 This specification covers coal fly ash and raw or
transported by flue gasses.
calcined natural pozzolan for use in concrete where cementi-
tious or pozzolanic action, or both, is desired, or where other
NOTE 2—This definition of fly ash does not include, among other
properties normally attributed to fly ash or pozzolans may be
things, the residue resulting from: (1) the burning of municipal garbage or
any other refuse with coal; (2) the injection of lime directly into the boiler
desired, or where both objectives are to be achieved.
for sulfur removal; or (3) the burning of industrial or municipal garbage
NOTE 1—Finely divided materials may tend to reduce the entrained air
in incinerators commonly known as “incinerator ash.”
content of concrete. Hence, if a fly ash or natural pozzolan is added to any
concrete for which entrainment of air is specified, provision should be
4. Classification
made to ensure that the specified air content is maintained by air content
4.1 Class N—Raw or calcined natural pozzolans that com-
tests and by use of additional air-entraining admixture or use of an
ply with the applicable requirements for the class as given
air-entraining admixture in combination with air-entraining hydraulic
herein, such as some diatomaceous earths; opaline cherts and
cement.
shales; tuffs and volcanic ashes or pumicites, calcined or
1.2 The values stated in SI units are to be regarded as the
uncalcined; and various materials requiring calcination to
standard.
induce satisfactory properties, such as some clays and shales.
1.3 The text of this standard references notes and footnotes,
4.2 Class F—Fly ash normally produced from burning
which provide explanatory information. These notes and foot-
anthracite or bituminous coal that meets the applicable require-
notes (excluding those in tables and figures) shall not be
ments for this class as given herein. This class of fly ash has
considered as requirements of the standard.
pozzolanic properties.
4.3 Class C—Fly ash normally produced from lignite or
2. Referenced Documents
subbituminous coal that meets the applicable requirements for
2.1 ASTM Standards:
this class as given herein. This class of fly ash, in addition to
C 125 Terminology Relating to Concrete and Concrete
2 having pozzolanic properties, also has some cementitious
Aggregates
properties.
C 311 Test Methods for Sampling and Testing Fly Ash or
2
Natural Pozzolans for Use in Portland-Cement Concrete
NOTE 3—Some Class C fly ashes may contain lime contents higher than
10 %.
3. Terminology
5. Ordering Information
3.1 Definitions:
5.1 The purchaser shall specify any supplementary optional
3.1.1 The terms used in this specification are defined in
physical requirements.
Terminology C 125.
5.2 The purchaser shall indicate which procedure, A or B,
shall be used when specifying requirements for effectiveness in
1
This specification is under the jurisdiction of ASTM Committee C09 on contribution to sulfate resistance under Table 3.
Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee
C09.24 on Supplementary Cementitious Materials.
6. Chemical Composition
Current edition approved Dec. 10, 2002. Published January 2003. Originally
6.1 Fly ash and natural pozzolans shall conform to the
approved in 1968. Last previous edition approved in 2001 as C 618–01.
2
Annual Book of ASTM Standards, Vol 04.02. requirements as to chemical composition prescribed in Table 1.
*A Summary of Changes section appears at the end of this standard.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
C618–02
TABLE 1 Chemical Requirements
Class
NF C
Silicon dioxide (SiO ) plus aluminum oxide (Al O ) plus iron oxide (Fe O ), 70.0 70.0 50.0
2 2 3 2 3
min, %
Sulfur trioxide (SO ), max, % 4.0 5.0 5.0
3
Moisture content, max, % 3.0 3.0 3.0
A
Loss on ignition, max, % 10.0 6.0 6.0
A
The use of Class F po
...