ASTM C109/C109M-12

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of the standard as published by ASTM is to be considered the official document.
Designation: C109/C109M − 11b C109/C109M − 12
Standard Test Method for
Compressive Strength of Hydraulic Cement Mortars (Using
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2-in. or [50-mm] Cube Specimens)
This standard is issued under the fixed designation C109/C109M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope*
1.1 This test method covers determination of the compressive strength of hydraulic cement mortars, using 2-in. or [50-mm] cube
specimens.
NOTE 1—Test Method C349 provides an alternative procedure for this determination (not to be used for acceptance tests).
1.2 This test method covers the application of the test using either inch-pound or SI units. The values stated in either SI units
or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated
in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values
from the two systems may result in nonconformance with the standard.
1.3 Values in SI units shall be obtained by measurement in SI units or by appropriate conversion, using the Rules for Conversion
and Rounding given in Standard IEEE/ASTM SI-10, of measurements made in other units.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and
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tissue upon prolonged exposure. )
2. Referenced Documents
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2.1 ASTM Standards:
C91 Specification for Masonry Cement
C114 Test Methods for Chemical Analysis of Hydraulic Cement
C150 Specification for Portland Cement
C230/C230M Specification for Flow Table for Use in Tests of Hydraulic Cement
C305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency
C349 Test Method for Compressive Strength of Hydraulic-Cement Mortars (Using Portions of Prisms Broken in Flexure)
C511 Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic
Cements and Concretes
C595 Specification for Blended Hydraulic Cements
C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete
C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials
C778 Specification for Sand
C989 Specification for Slag Cement for Use in Concrete and Mortars
C1005 Specification for Reference Masses and Devices for Determining Mass and Volume for Use in the Physical Testing of
Hydraulic Cements
C1157 Performance Specification for Hydraulic Cement
C1328 Specification for Plastic (Stucco) Cement
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This test method is under the jurisdiction of ASTM Committee C01 on Cement and is the direct responsibility of Subcommittee C01.27 on Strength.
Current edition approved Dec. 1, 2011Dec. 15, 2012. Published March 2012January 2013. Originally approved in 1934. Last previous edition approved in 2011 as
C109/C109M – 11a.C109/C109M – 11b. DOI: 10.1520/C0109_C0109M-11B.10.1520/C0109_C0109M-12.
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See the section on Safety, Manual of Cement Testing, Annual Book of ASTM Standards, Vol 04.01.
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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 Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
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C109/C109M − 12
C1329 Specification for Mortar Cement
C1437 Test Method for Flow of Hydraulic Cement Mortar
E4 Practices for Force Verification of Testing Machines
IEEE/ASTM SI-10 Standard for Use of the International System of Units (SI): The Modern Metric System
3. Summary of Test Method
3.1 The mortar used consists of 1 part cement and 2.75 parts of sand proportioned by mass. Portland or air-entraining portland
cement
...