ASTM D6935-22

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:D6935 −22
Standard Test Method for
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Determining Cement Mixing of Emulsified Asphalt
This standard is issued under the fixed designation D6935; 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.
1. Scope D6997 Test Method for Distillation of Emulsified Asphalt
E11 Specification for Woven Wire Test Sieve Cloth and Test
1.1 This test method is intended to be a mixing test used to
Sieves
identify or classify a slow-setting, SS or CSS, type of emulsi-
fied asphalt.
3. Significance and Use
1.2 The values stated in SI units are to be regarded as
3.1 The result of this test method indicates the ability of a
standard. No other units of measure are included in this
slow-setting emulsified asphalt to mix with a finely divided,
standard.
high-surface-area material (high early strength, Type III port-
1.3 The text of this standard references notes and footnotes
land cement) without breaking the emulsified asphalt.
which provide explanatory material. These notes and footnotes
NOTE 1—The quality of the results produced by this standard are
(excluding those in tables and figures) shall not be considered
dependent on the competence of the personnel performing the procedure
as requirements for the standard.
and the capability, calibration, and maintenance of the equipment used.
Agencies that meet the criteria of Specification D3666 are generally
1.4 This standard does not purport to address all of the
considered capable of competent and objective testing, sampling,
safety concerns, if any, associated with its use. It is the
inspection, etc. Users of this standard are cautioned that compliance with
responsibility of the user of this standard to establish appro-
Specification D3666 alone does not completely ensure reliable results.
priate safety, health, and environmental practices and deter- Reliable results depend on many factors; following the suggestions of
Specification D3666 or some similar acceptable guideline provides a
mine the applicability of regulatory limitations prior to use.
means of evaluating and controlling some of those factors.
1.5 This international standard was developed in accor-
dance with internationally recognized principles on standard-
4. Sample Conditioning for Testing
ization established in the Decision on Principles for the
4.1 All emulsified asphalts shall be properly stirred to
Development of International Standards, Guides and Recom-
achieve homogeneity before testing.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee. 4.2 All emulsified asphalts with viscosity testing require-
ments of 50 °C shall be heated to 50 6 3 °C in the original
2. Referenced Documents
sample container in a water bath or oven. The container should
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2.1 ASTM Standards: be vented to relieve pressure. After the sample reaches 50 6
C115/C115M Test Method for Fineness of Portland Cement 3 °C, stir the sample to achieve homogeneity.
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by the Turbidimeter (Withdrawn 2018)
4.3 Emulsified asphalts with viscosity testing requirements
C150/C150M Specification for Portland Cement
of 25 °C should be mixed or stirred at 25 6 3 °C in the original
D3666 Specification for Minimum Requirements for Agen-
sample container to achieve homogeneity.
cies Testing and Inspecting Road and Paving Materials
NOTE 2—Emulsified asphalts with viscosity testing requirements of
D6934 Test Method for Residue by Evaporation of Emulsi-
25 °C may be heated and stirred as specified in 4.2, if necessary. In the
fied Asphalt
event the 4.2 method is used, the sample should be cooled to 25 63°C
before testing.
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This test method is under the jurisdiction of ASTM Committee D04 on Road
5. Apparatus
and Paving Materials and is the direct responsibility of Subcommittee D04.42 on
Emulsified Asphalt Test.
5.1 Sieves—A 180 µm sieve and a 1.40 mm sieve with a
Current edition approved Nov. 1, 2022. Published November 2022. Originally
diameter of approximately 75 mm, made of wire cloth con-
approved in 2004. Last previous edition approved in 2017 as D6935 – 17. DOI:
10.1520/D6935-22. forming to Specification E11.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
5.2 Pan—A tin box cover or shallow metal pan of appro-
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 priate size to fit over the bottom of the standard sieve.
the ASTM website.
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5.3 Mixing
...