ASTM C185-15a
(Test Method)Standard Test Method for Air Content of Hydraulic Cement Mortar
Standard Test Method for Air Content of Hydraulic Cement Mortar
SIGNIFICANCE AND USE
4.1 The purpose of this test method is to determine whether or not the hydraulic cement under test meets the air-entraining or non-air-entraining requirements of the applicable hydraulic cement specification for which the test is being made. The air content of concrete is influenced by many factors other than the potential of the cement for air entrainment.
SCOPE
1.1 This test method covers the determination of the air content of hydraulic cement mortar under the conditions hereinafter specified.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 Values in SI shall be obtained by measurement in SI units or by appropriate conversion, using the Rules for Conversion and Rounding in 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.
1.5 Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.2
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Designation: C185 − 15a American Association State
Highway and Transportation Officials Standard
AASHTO No.: T137
Standard Test Method for
1
Air Content of Hydraulic Cement Mortar
This standard is issued under the fixed designation C185; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber 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 U.S. Department of Defense.
1. Scope* C109/C109MTest Method for Compressive Strength of
Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube
1.1 This test method covers the determination of the air
Specimens)
content of hydraulic cement mortar under the conditions
C150Specification for Portland Cement
hereinafter specified.
C183Practice for Sampling and the Amount of Testing of
1.2 The values stated in SI units are to be regarded as
Hydraulic Cement
standard. No other units of measurement are included in this
C185Test Method for Air Content of Hydraulic Cement
standard.
Mortar
1.3 Values in SI shall be obtained by measurement in SI C230/C230MSpecification for Flow Table for Use in Tests
of Hydraulic Cement
units or by appropriate conversion, using the Rules for Con-
version and Rounding in IEEE/ASTM SI 10, of measurements C305Practice for Mechanical Mixing of Hydraulic Cement
Pastes and Mortars of Plastic Consistency
made in other units.
C595Specification for Blended Hydraulic Cements
1.4 This standard does not purport to address all of the
C778Specification for Standard Sand
safety concerns, if any, associated with its use. It is the
C1005Specification for Reference Masses and Devices for
responsibility of the user of this standard to establish appro-
Determining Mass and Volume for Use in the Physical
priate safety and health practices and determine the applica-
Testing of Hydraulic Cements
bility of regulatory limitations prior to use.
C1157Performance Specification for Hydraulic Cement
1.5 Warning—Fresh hydraulic cementitious mixtures are
C1328Specification for Plastic (Stucco) Cement
caustic and may cause chemical burns to skin and tissue upon
2
C1329Specification for Mortar Cement
prolonged exposure.
E438Specification for Glasses in Laboratory Apparatus
1.6 This international standard was developed in accor-
E694Specification for Laboratory Glass Volumetric Appa-
dance with internationally recognized principles on standard-
ratus
ization established in the Decision on Principles for the
IEEE/ASTM SI 10Standard for Use of the International
Development of International Standards, Guides and Recom-
System of Units (SI): The Modern Metric System
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
3. Summary of Test Method
3.1 Prepare a mortar with standard sand and the cement to
2. Referenced Documents
be tested, using a water content sufficient to give a required
3
2.1 ASTM Standards:
flow.Compactthemortarintoameasureofknownvolumeand
C91Specification for Masonry Cement
determine mass. Calculate the air content from the measured
density of the mortar, the known densities of the constituents,
and the mixture proportions.
1
ThistestmethodisunderthejurisdictionofASTMCommitteeC01onCement
and is the direct responsibility of Subcommittee C01.21 on Air Entrainment.
4. Significance and Use
Current edition approved Sept. 1, 2015. Published October 2015. Originally
approved in 1944. Last previous edition approved in 2015 as C185–15. DOI:
4.1 The purpose of this test method is to determine whether
10.1520/C0185-15A.
2
or not the hydraulic cement under test meets the air-entraining
Refer to the section on Safety Precautions, “Manual of Cement Testing,”
Annual Book of ASTM Standards, Vol 04.01.
or non-air-entraining requirements of the applicable hydraulic
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
cement specification for which the test is being made. The air
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
contentofconcreteisinfluencedbymanyfactorsotherthanthe
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. potential of the cement for air entrainment.
*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
1
---------------------- Page: 1 ----------------------
C185 − 15a
5. Apparatus 6.2 Condition the mixing water and the measure, if it is
being calibrated at 23 6 2°C.
5.1 Flow Table, Flow Mold, and Caliper, shall conform to
6.3 Maintain the relative humidity of the laboratory at not
Specification C230/C230M.
les
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C185 − 15 C185 − 15a American Association State
Highway and Transportation Officials Standard
AASHTO No.: T137
Standard Test Method for
1
Air Content of Hydraulic Cement Mortar
This standard is issued under the fixed designation C185; 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 U.S. Department of Defense.
1. Scope*
1.1 This test method covers the determination of the air content of hydraulic cement mortar under the conditions hereinafter
specified.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 Values in SI shall be obtained by measurement in SI units or by appropriate conversion, using the Rules for Conversion and
Rounding in 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.
1.5 Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon
2
prolonged exposure.
2. Referenced Documents
3
2.1 ASTM Standards:
C91 Specification for Masonry Cement
C109/C109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens)
C150 Specification for Portland Cement
C183 Practice for Sampling and the Amount of Testing of Hydraulic Cement
C185 Test Method for Air Content of Hydraulic Cement Mortar
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
C595 Specification for Blended Hydraulic Cements
C778 Specification for Sand
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
C1329 Specification for Mortar Cement
E438 Specification for Glasses in Laboratory Apparatus
E694 Specification for Laboratory Glass Volumetric Apparatus
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 Prepare a mortar with standard sand and the cement to be tested, using a water content sufficient to give a required flow.
Compact the mortar into a measure of known volume and determine mass. Calculate the air content from the measured density
of the mortar, the known densities of the constituents, and the mixture proportions.
1
This test method is under the jurisdiction of ASTM Committee C01 on Cement and is the direct responsibility of Subcommittee C01.21 on Air Entrainment.
Current edition approved July 1, 2015Sept. 1, 2015. Published July 2015October 2015. Originally approved in 1944. Last previous edition approved in 20082015 as
C185 – 08.C185 – 15. DOI: 10.1520/C0185-15.10.1520/C0185-15A.
2
Refer to the section on Safety Precautions, “Manual of Cement Testing,” Annual Book of ASTM Standards, Vol 04.01.
3
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
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C185 − 15a
4. Significance and Use
4.1 The purpose of this test method is to determine whether or not the hydraulic cement under test meets the air-entraining or
non-air-entraining requirements of the applicable hydraulic cement specification for which the test is being made. The air content
of concrete is influenced by many factors other than the potential of the cement for air entrainment.
5. Apparatus
5.1 Flow Table, Flow Mold, and Caliper, shall conform to Specification C230/C230M.
5.2 Measure—A cylindrical measure having an inside diameter of 76 6 2 mm and a depth (approximately 88
...
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