ASTM D2172/D2172M-11
(Test Method)Standard Test Methods for Quantitative Extraction of Bitumen From Bituminous Paving Mixtures
Standard Test Methods for Quantitative Extraction of Bitumen From Bituminous Paving Mixtures
SIGNIFICANCE AND USE
All of these test methods can be used for quantitative determinations of bitumen in hot-mixed paving mixtures and pavement samples for specification acceptance, service evaluation, control, and research. Each method prescribes the solvent or solvents and any other reagents that can be used in the test method. Test Method D1856 requires that Method A be used when asphalt is recovered from solution.
Note 2—The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Standard Practice are generally considered capable of competent and objective testing/sampling/inspection/etc. Users of this standard are cautioned that compliance with Practice alone does not completely assure reliable results. Reliable results depend on many factors; following the suggestions of Practice or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.
SCOPE
1.1 These test methods cover the quantitative determination of bitumen in hot-mixed paving mixtures and pavement samples. Aggregate extracted from a paving mixture may be used for sieve analysis using Test Method D5444.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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 non-conformance with the standard.
1.2.1 Measurements of volume and mass are only given in SI units because they are the only units typically used in practice when performing this test method.
1.3 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. Specific hazards are given in Section 7.
Note 1—The results obtained by these test methods may be affected by the age of the material tested, with older samples tending to yield slightly lower bitumen content. Best quantitative results are obtained when the test is made on mixtures and pavements shortly after their preparation. It is difficult to remove all the asphalt when some aggregates are used and some chlorides may remain within the mineral matter affecting the measured asphalt content.
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Designation: D2172/D2172M − 11
Standard Test Methods for
Quantitative Extraction of Bitumen From Bituminous Paving
1
Mixtures
This standard is issued under the fixed designation D2172/D2172M; 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 C670 Practice for Preparing Precision and Bias Statements
for Test Methods for Construction Materials
1.1 These test methods cover the quantitative determination
D70 Test Method for Density of Semi-Solid Bituminous
of bitumen in hot-mixed paving mixtures and pavement
Materials (Pycnometer Method)
samples. Aggregate extracted from a paving mixture may be
D604 Specification for Diatomaceous Silica Pigment (With-
used for sieve analysis using Test Method D5444.
3
drawn 2003)
1.2 The values stated in either SI units or inch-pound units
D979 Practice for Sampling Bituminous Paving Mixtures
are to be regarded separately as standard. The values stated in
D1461 Test Method for Moisture or Volatile Distillates in
each system may not be exact equivalents; therefore, each
Bituminous Paving Mixtures
system shall be used independently of the other. Combining
D1856 Test Method for Recovery of Asphalt From Solution
values from the two systems may result in non-conformance
by Abson Method
with the standard.
D2111 Test Methods for Specific Gravity and Density of
1.2.1 Measurements of volume and mass are only given in
Halogenated Organic Solvents and Their Admixtures
SI units because they are the only units typically used in
D3666 Specification for Minimum Requirements for Agen-
practice when performing this test method.
cies Testing and Inspecting Road and Paving Materials
1.3 This standard does not purport to address all of the D5444 Test Method for Mechanical Size Analysis of Ex-
safety concerns, if any, associated with its use. It is the
tracted Aggregate
responsibility of the user of this standard to establish appro- D6368 Specification for Vapor-Degreasing Solvents Based
priate safety and health practices and determine the applica-
on normal-Propyl Bromide and Technical Grade normal-
bilityofregulatorylimitationspriortouse.Specifichazardsare Propyl Bromide
given in Section 7.
2.2 Federal Specifications:
4
O-T-634 (latest) normal Propyl Bromide, Technical
NOTE 1—The results obtained by these test methods may be affected by
the age of the material tested, with older samples tending to yield slightly
3. Summary of Test Methods
lowerbitumencontent.Bestquantitativeresultsareobtainedwhenthetest
is made on mixtures and pavements shortly after their preparation. It is
3.1 The paving mixture is extracted with trichloroethylene,
difficult to remove all the asphalt when some aggregates are used and
normal Propyl Bromide, or methylene chloride using the
some chlorides may remain within the mineral matter affecting the
extraction equipment applicable to the particular method. The
measured asphalt content.
bitumen content is calculated by difference from the mass of
the extracted aggregate, moisture content, and mineral matter
2. Referenced Documents
in the extract. The bitumen content is expressed as mass
2
2.1 ASTM Standards:
percent of moisture-free mixtures.
C128 Test Method for Relative Density (Specific Gravity)
and Absorption of Fine Aggregate
4. Significance and Use
4.1 All of these test methods can be used for quantitative
determinations of bitumen in hot-mixed paving mixtures and
1
These test methods are under the jurisdiction of ASTM Committee D04 on
pavement samples for specification acceptance, service
Road and Paving Materials and are the direct responsibilities of Subcommittee
evaluation, control, and research. Each method prescribes the
D04.25 on Analysis of Asphalt Mixtures.
solvent or solvents and any other reagents that can be used in
Current edition approved Feb. 1, 2011. Published March 2011. Originally
approved in 1963. Last previous edition approved in 2005 as D2172 – 05. DOI:
10.1520/D2172-11.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or The last approved version of this historical standard is referenced on
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM www.astm.org.
4
Standards volume information, refer to the standard’s Document Summary page on Available from DLA Document Services, Building 4/D, 700 Robbins Ave.,
the ASTM website. Philadelphia, PA 19111-5094, http://quicksearch.dla.mil.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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D2172/D2172M − 11
TABLE 1 Size of Sample
the t
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This document is not anASTM standard and is intended only to provide the user of anASTM 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:D2172–05 Designation:D2172/D2172M–11
Standard Test Methods for
Quantitative Extraction of Bitumen From Bituminous Paving
1
Mixtures
This standard is issued under the fixed designation D2172/D2172M; 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 These test methods cover the quantitative determination of bitumen in hot-mixed paving mixtures and pavement samples.
Aggregate obtained by these test methodsextracted from a paving mixture may be used for sieve analysis using Test Method C117
and Test Method C136D5444.
1.2The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information
only.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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 non-conformance with the standard.
1.2.1 Measurements of volume and mass are only given in SI units because they are the only units typically used in practice
when performing this test method.
1.3 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. Specific hazards are given in Section 7.
NOTE 1—Theresultsobtainedbythesetestmethodsmaybeaffectedbytheageofthematerialtested,witholdersamplestendingtoyieldslightlylower
bitumen content. Best quantitative results are obtained when the test is made on mixtures and pavements shortly after their preparation. It is difficult to
remove all the asphalt when some aggregates are used and some chlorides may remain within the mineral matter affecting the measured asphalt content.
2. Referenced Documents
2
2.1 ASTM Standards: C117Test Method for Materials Finer than 75-m (No. 200) Sieve in Mineral Aggregates by Washing
C128 Test Method for Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate C136Test Method for
Sieve Analysis of
Fine and Coarse
Aggregates
C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials
D70 Test Method for Density of Semi-Solid Bituminous Materials (Pycnometer Method)
D604 Specification for Diatomaceous Silica Pigment
D979 Practice for Sampling Bituminous Paving Mixtures
D1461 Test Method for Moisture or Volatile Distillates in Bituminous Paving Mixtures
D1856 Test Method for Recovery of Asphalt From Solution by Abson Method
D2111 Test Methods for Specific Gravity and Density of Halogenated Organic Solvents and Their Admixtures
D3666 Specification for Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials
D5444 Test Method for Mechanical Size Analysis of Extracted Aggregate
D6368 Specification for Vapor-Degreasing Solvents Based on normal-Propyl Bromide and Technical Grade normal-Propyl
Bromide
1
These test methods are under the jurisdiction of ASTM Committee D04 on Road and Paving Materials and are the direct responsibilities of Subcommittee D04.25 on
Analysis of Bituminous Mixtures.
´1
Current edition approved July 15, 2005. Published August 2005. Originally approved in 1963. Last previous edition approved in 2001 as D2172–01 . DOI:
10.1520/D2172-05.
Current edition approved Feb. 1, 2011. Published March 2011. Originally approved in 1963. Last previous edition approved in 2005 as D2172 – 05. DOI:
10.1520/D2172-11.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM 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.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
D2172/D2172M–11
2.2 Federal Specifications:
3
O-T-634 (latest) normal Propyl Bromide, Technical
3. Summary of Test Methods
3.1 The paving mixture is extracted with trichloroethylene, normal Propyl Bromide, o
...
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