ASTM D6752-03e1

Standard Test Method for Bulk Specific Gravity and Density of Compacted Bituminous Mixtures Using Automatic Vacuum Sealing Method

SIGNIFICANCE AND USE
The results obtained from this method can be used to determine the unit weight of compacted bituminous mixtures and in conjunction with Test Method D 3203, to obtain percent air voids. These values in turn may be used in determining the relative degree of compaction.
Since specific gravity has no units, it must be converted to density in order to do calculations that require units. This conversion is made by multiplying the specific gravity at a given temperature by the density of water at the same temperature.
This method can be used for 100 mm and 150 mm diameter cylindrical as well as cubical asphalt specimens to correct for absorptive and open graded mixes. Mixes such as Stone Matrix Asphalt (SMA), porous friction coarse, and Superpave coarse graded mixes with significant surface texture and interconnected voids should be sealed for accurate bulk specific density results. Follow manufacturer recommendation for appropriate bag sizes to be utilized with cubical and abnormally shaped samples.4
SCOPE
1.1 This test method covers the determination of bulk specific gravity of compacted bituminous mixtures by the vacuum sealing method.
1.2 This method can be used for compacted cylindrical and cubical bituminous laboratory and field specimens.
1.3 The bulk specific gravity of the compacted bituminous mixtures may be used in calculating the unit weight of the mixture.
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 requirements prior to use.

General Information

• Status: Historical
• Publication Date: 30-Nov-2003
• ICS: 75.140 - Waxes, bituminous materials and other petroleum products
• Technical Committee: D04 - Road and Paving Materials
• Drafting Committee: D04.21 - Specific Gravity and Density of Asphalt Mixtures

Relations

• Replaces: ASTM D6752-03 - Standard Test Method for Bulk Specific Gravity and Density of Compacted Bituminous Mixtures Using Automatic Vacuum Sealing Method
• Effective Date: 01-Dec-2003
• Replaced By: ASTM D6752-09 - Standard Test Method for Bulk Specific Gravity and Density of Compacted Bituminous Mixtures Using Automatic Vacuum Sealing Method
• Effective Date: 01-Dec-2009
• Referred By: ASTM D7113/D7113M-10(2016) - Standard Test Method for Density of Bituminous Paving Mixtures in Place by the Electromagnetic Surface Contact Methods
• Effective Date: 01-Dec-2003
• Referred By: ASTM D8079-16 - Standard Practice for Preparation of Compacted Slab Asphalt Mix Samples Using a Segmented Rolling Compactor
• Effective Date: 01-Dec-2003

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information.
´1
Designation: D6752 – 03
Standard Test Method for
Bulk Specific Gravity and Density of Compacted Bituminous
1
Mixtures Using Automatic Vacuum Sealing Method
This standard is issued under the fixed designation D6752; 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
´ NOTE—Paragraph 8.2 was corrected editorially in December 2004.
1. Scope 3. Significance and Use
1.1 This test method covers the determination of bulk 3.1 The results obtained from this method can be used to
specific gravity of compacted bituminous mixtures by the determine the unit weight of compacted bituminous mixtures
vacuum sealing method. and in conjunction with Test Method D3203, to obtain percent
1.2 This method can be used for compacted cylindrical and air voids. These values in turn may be used in determining the
cubical bituminous laboratory and field specimens. relative degree of compaction.
1.3 The bulk specific gravity of the compacted bituminous 3.2 Since specific gravity has no units, it must be converted
mixtures may be used in calculating the unit weight of the to density in order to do calculations that require units. This
mixture. conversion is made by multiplying the specific gravity at a
1.4 This standard does not purport to address all of the given temperature by the density of water at the same tempera-
safety concerns, if any, associated with its use. It is the ture.
responsibility of the user of this standard to establish appro- 3.3 This method can be used for 100 mm and 150 mm
priate safety and health practices and determine the applica- diameter cylindrical as well as cubical asphalt specimens to
bility of regulatory requirements prior to use. correct for absorptive and open graded mixes. Mixes such as
Stone Matrix Asphalt (SMA), porous friction coarse, and
2. Referenced Documents
Superpave coarse graded mixes with significant surface texture
2
2.1 ASTM Standards:
and interconnected voids should be sealed for accurate bulk
C670 Practice for Preparing Precision and Bias Statements specific density results. Follow manufacturer recommendation
for Test Methods for Construction Materials
for appropriate bag sizes to be utilized with cubical and
4
D979 Practice for Sampling Bituminous Paving Mixtures
abnormally shaped samples.
D1461 Test Method for Moisture or Volatile Distillates in
4. Apparatus
Bituminous Paving Mixtures
D2726 Test Method for Bulk Specific Gravity and Density 4.1 Balance, with ample capacity, and with sufficient sensi-
of Non-Absorptive Compacted Bituminous Mixtures tivity to enable bulk specific gravity of specimens to be
D3203 Test Method for Percent Air Voids in Compacted calculated to at least four significant figures, that is to at least
Dense and Open Bituminous Paving Mixtures three decimal places. It shall be equipped with a suitable
D4753 Guide for Evaluating, Selecting, and Specifying apparatus to permit weighing the specimen while it is sus-
Balances and Standard Masses for Use in Soil, Rock, and pended in water.The balance shall conform to Guide D4753 as
Construction Materials Testing a class GP2 balance.
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2.2 AASHTO Standards:
NOTE 1—Since there are no more significant figures in the quotient
MP2 Standard Specification for Superpave Mix Design
(bulk specific gravity) than appear in either the dividend (the mass of the
specimen in air) or in the divisor (the volume of the specimen, obtained
from the difference in mass of the specimen in air and in water), this
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This test method is under the jurisdiction of ASTM Committee D04 on Road
means that the balance must have a sensitivity capable of providing both
and Paving Materials and is the direct responsibility of Subcommittee D04.21 on
Specific Gravity and Density of Bituminous Mixtures.
Currenteditionapproved.PublishedJanuary2004.Originallyapprovedin2002.
4
Lastpreviouseditionapprovedin2002asD6752-02a.DOI:10.1520/D6752-03E01. Bulk specific gravity determined by this method may be lower than the results
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or obtained by Test Method D2726. As a result, air voids determined from these bulk
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM specificgravityvaluesmaybehigherthantheairvoidsvaluesdeterminedusingTest
Standards volume information, refer to the standard’s Document Summary page on Method D2726. These differences may be more pronounced for coarse aggregate
the ASTM website. mixtures. Users of this method are cautioned to evaluate any alteration in percent
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Available from the American Association of State Highway Transportation asphalt content or aggregate
...