ASTM C109/C109M-02

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Designation:C109/C109M–02
Standard Test Method for
Compressive Strength of Hydraulic Cement Mortars
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(Using 2-in. or [50-mm] Cube Specimens)
This standard is issued under the fixed designation C 109/C 109M; 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 * C 511 Specification for Moist Cabinets, Moist Rooms and
Water Storage Tanks Used in the Testing of Hydraulic
1.1 This test method covers determination of the compres-
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Cements and Concretes
sive strength of hydraulic cement mortars, using 2-in. or
C 670 Practice for Preparing Precision and Bias Statements
[50-mm] cube specimens.
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for Test Methods for Construction Materials
NOTE 1—Test Method C 349 provides an alternative procedure for this 3
C 778 Specification for Standard Sand
determination (not to be used for acceptance tests).
C 1005 Specification for Reference Masses and Devices for
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1.2 This test method covers the application of the test using
Determining Mass and Volume
eitherinch-poundorSIunits.Thevaluesstatedineithersystem
C 1437 Test Method for Flow of Hydraulic Cement Mor-
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shall be regarded separately as standard. Within the text, the SI
tar
units are shown in brackets. The values stated in each system
IEEE/ASTM SI 10 Standard for Use of the International
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are not exact equivalents; therefore, each system shall be used
System of Units (SI): The Modern Metric System
independently of the other. Combining values from the two
3. Summary of Test Method
systems may result in nonconformance with the specification.
1.3 Values in SI units shall be obtained by measurement in
3.1 The mortar used consists of 1 part cement and 2.75 parts
SI units or by appropriate conversion, using the Rules for
of sand proportioned by mass. Portland or air-entraining
Conversion and Rounding given in Standard IEEE/ASTM SI
portland cements are mixed at specified water/cement ratios.
10, of measurements made in other units.
Water content for other cements is that sufficient to obtain a
1.4 This standard does not purport to address all of the
flow of 110 6 5 in 25 drops of the flow table. Two-inch or
safety concerns, if any, associated with its use. It is the
[50-mm] test cubes are compacted by tamping in two layers.
responsibility of the user of this standard to establish appro-
The cubes are cured one day in the molds and stripped and
priate safety and health practices and determine the applica-
immersed in lime water until tested.
bility of regulatory limitations prior to use. (Warning—Fresh
4. Significance and Use
hydraulic cementitious mixtures are caustic and may cause
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chemical burns to skin and tissue upon prolonged exposure. ) 4.1 This test method provides a means of determining the
compressive strength of hydraulic cement and other mortars
2. Referenced Documents
and results may be used to determine compliance with speci-
2.1 ASTM Standards:
fications. Further, this test method is referenced by numerous
C 230 Specification for Flow Table for Use in Tests of
other specifications and test methods. Caution must be exer-
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Hydraulic Cement
cised in using the results of this test method to predict the
C 305 PracticeforMechanicalMixingofHydraulicCement
strength of concretes.
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Pastes and Mortars of Plastic Consistency
5. Apparatus
C 349 Test Method for Compressive Strength of Hydraulic
Cement Mortars (Using Portions of Prisms Broken in 5.1 Weights and Weighing Devices, shall conform to the
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Flexure)
requirements of Specification C 1005. The weighing device
shall be evaluated for precision and bias at a total load of 2000
g.
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This test method is under the jurisdiction ofASTM Committee C01 on Cement
5.2 GlassGraduates, of suitable capacities (preferably large
and is the direct responsibility of Subcommittee C01.27 on Strength.
enough to measure the mixing water in a single operation) to
Current edition approved June 10, 2002. Published August 2002. Originally
published as C 109 – 34 T. Last previous edition C 109/C 109M – 01.
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See the section on Safety, Manual of Cement Testing, Annual Book of ASTM
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Standards, Vol 04.01. Annual Book of ASTM Standards, Vol 04.02.
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Annual Book of ASTM Standards, Vol 04.01. Annual Book of ASTM Standards, Vol 14.04.
*A Summary 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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C109/C109M
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