Standard Test Method for Thickness or Height of Compacted Bituminous Paving Mixture Specimens

SCOPE
1.1 This test method covers determination of the thickness (or height) of compacted bituminous paving mixture specimens.  
1.2 This standard does not purport to address all of the safety problems, 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.

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31-Dec-1999
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ASTM D3549-93a(2000) - Standard Test Method for Thickness or Height of Compacted Bituminous Paving Mixture Specimens
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: D 3549 – 93a (Reapproved 2000)
Standard Test Method for
Thickness or Height of Compacted Bituminous Paving
Mixture Specimens
This standard is issued under the fixed designation D 3549; 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 (e) indicates an editorial change since the last revision or reapproval.
NOTE 2—In addition to direct measurement, the thickness of test
1. Scope
specimens may be determined as described in 6.3.
1.1 This test method covers determination of the thickness
4.1.1 A metal tape or rule.
(or height) of compacted bituminous paving mixture speci-
4.1.2 A set of calipers.
mens.
4.1.3 A measurement jig or other device, fabricated in such
1.2 This standard does not purport to address all of the
a manner that it is capable of measuring specimen thicknesses
safety problems, if any, associated with its use. It is the
in accordance with this procedure.
responsibility of the user of this standard to establish appro-
4.2 Depending upon the requirements of the specifying
priate safety and health practices and determine the applica-
agency, the units of measurement and subdivisions shall be as
bility of regulatory limitations prior to use.
follows:
2. Referenced Documents
4.2.1 Where inches and fractional portions are specified, the
apparatus shall be capable of measuring to ⁄16 in.
2.1 ASTM Standards:
4.2.2 Where inches and decimal portions are specified, the
D 1188 Test Method for Bulk Specific Gravity and Density
apparatus shall be capable of measuring to 0.05 in.
of Compacted Bituminous Mixtures Using Paraffin-Coated
4.2.3 Where decimal portions of feet are specified, the
Specimens
apparatus shall be capable of measuring to 0.005 ft.
D 2726 Test Method for Bulk Specific Gravity and Density
4.2.4 Where centimetres are specified, the apparatus shall be
of Compacted Bituminous Mixtures Using Saturated
capable of measuring to 0.10 cm.
Surface-Dry Specimens
D 3203 Test Method for Percent Air Voids in Compacted
5. Test Specimens
Dense and Open Bituminous Paving Mixtures
5.1 Test specimens shall be laboratory compacted or from
D 3666 Specification for Minimum Requirements for Agen-
compacted bituminous pavements.
cies Testing and Inspecting Bituminous Paving Materials
5.2 Pavement test specimens shall be taken with a core drill,
3. Significance and Use
diamond or carborundum saw, or by other suitable means.
5.2.1 Thickness measurements shall not be made on any
3.1 The thickness of a compacted bituminous paving mix-
specimen that has been distorted or cracked in removal from
ture is often used as a construction check to insure that the
the pavement, or laboratory compaction molds, or during
proper quantity of materials has been placed on a project and
storage prior to measuring.
to correct strength measurement on constant diameter speci-
5.2.2 Specimens shall be free of foreign materials such as
mens with varying heights.
seal coat, foundation material, soil, paper, or foil.
NOTE 1—The equipment and personnel performing this test method can
5.2.3 Where desirable, specimens may be separated from
be evaluated by Practice D 3666.
other layers by sawing, shearing or other suitable means,
provided a well defined construction plane is achieved.
4. Apparatus
4.1 Any of the following apparatus may be used to measure
6. Procedure
the thickness of test specimens:
6.1 Thickness of specimens with relatively plane horizontal
surfaces or layers with well defined, uniform lines of demar-
cation may be measured with a tape, rule, or calipers in
This test method is under the jurisdiction of ASTM Committee D04 on Road
and Paving Materials and is the direct responsibility of Subcommittee D04.21 on
accordance with the following:
Specific Gravity and Density of Bituminous Mixes.
Current edition approved Aug. 15, 1993. Published October 1993. Originally
published as D 3549 – 77. Last previous edition D 3549 – 93.
Annual Book of ASTM Standards, Vol 04.03.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
D 3549 – 93a (2000)
6.1.1 Measure the thickness of the specimen or layer using 6.3.2 Determine the volume in cubic centimetres of the
any of the apparatus described in 4.1 to the closest applicable specimen by either Test Method D 1188 or Tes
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