ASTM D6390-11

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Designation: D6390 − 11
Standard Test Method for
Determination of Draindown Characteristics in
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Uncompacted Asphalt Mixtures
This standard is issued under the fixed designation D6390; 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 3.1.1 draindown—for the purpose of this test method, drain-
down is considered to be that portion of material which
1.1 This test method covers the determination of the amount
separates itself from the sample as a whole and is deposited
of draindown in an uncompacted asphalt mixture sample when
outside the wire basket during the test. The material which
thesampleisheldatelevatedtemperaturescomparabletothose
drains may be composed of either asphalt binder or a combi-
encountered during the production, storage, transport, and
nation of asphalt binder, additives, or fine aggregate.
placement of the mixture. The test is particularly applicable to
mixtures such as porous asphalt (open-graded friction course)
4. Summary of Test Method
and stone matrix asphalt (SMA)
4.1 Asample of the asphalt mixture to be tested is prepared
1.2 The values stated in SI units are to be regarded as
in the laboratory or obtained from field production.The sample
standard. No other units of measurement are included in this
is placed in a wire basket which is positioned on a plate or
standard.
other suitable container of known mass. The sample, basket,
1.3 This standard does not purport to address all of the and plate or container are placed in a force draft oven for one
safety concerns, if any, associated with its use. It is the hour at a pre-selected temperature.At the end of one hour, the
responsibility of the user of this standard to establish appro- basket containing the sample is removed from the oven along
priate safety and health practices and determine the applica- with the plate or container and the mass of the plate or
bility of regulatory limitations prior to use. containercontainingthedrainedmaterial,ifany,isdetermined.
The amount of draindown is then calculated.
2. Referenced Documents
5. Significance and Use
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2.1 ASTM Standards:
5.1 This test method can be used to determine whether the
C670 Practice for Preparing Precision and Bias Statements
amount of draindown measured for a given asphalt mixture is
for Test Methods for Construction Materials
within specified acceptable levels. The test provides an evalu-
D979 Practice for Sampling Bituminous Paving Mixtures
ation of the draindown potential of an asphalt mixture during
D4753 Guide for Evaluating, Selecting, and Specifying Bal-
mixture design and/or during field production. This test is
ances and Standard Masses for Use in Soil, Rock, and
primarily used for mixtures with high coarse aggregate content
Construction Materials Testing
such as porous asphalt (open-graded friction course) and stone
D6926 Practice for Preparation of Bituminous Specimens
matrix asphalt (SMA).
Using Marshall Apparatus
E11 Specification for Woven Wire Test Sieve Cloth and Test
6. Apparatus
Sieves
6.1 Forced Draft Oven, capable of maintaining the tempera-
3. Terminology
ture in a range from 120 to 175°C and the set temperature to
within 6 2°C.
3.1 Definitions:
6.2 Plates, or other suitable containers of appropriate size.
The plates or containers used shall be of appropriate durability
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This test method is under the jurisdiction of ASTM Committee D04 on Road
to withstand the oven temperatures. Cake pans or pie tins are
and Paving Materials and is the direct responsibility of Subcommittee D04.25 on
examples of suitable types of containers.
Analysis of Asphalt Mixtures.
Current edition approved Jan. 1, 2011. Published March 2011. Originally
6.3 Standard basket meeting the dimensions shown in Fig.
approved in 1999. Last previous edition approved in 2005 as D6390 – 05. DOI:
1.The basket shall be constructed using standard 6.3 mm sieve
10.1520/D6390-11.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or cloth as specified in Specification E11.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
6.4 Balance—Abalance readable to 0.1g and conforming to
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. the requirements of Specification D4753, GP2.
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D6390 − 11
aggregateblendhasthesamegradationasthejob-mixformula.
Place the aggregate samples in an oven and heat to a tempera-
ture not to exceed the temperature
...