ASTM D5361-05
(Practice)Standard Practice for Sampling Compacted Bituminous Mixtures for Laboratory Testing
Standard Practice for Sampling Compacted Bituminous Mixtures for Laboratory Testing
SCOPE
1.1 This practice describes a procedure for removal of a sample of compacted bituminous mixture from a pavement for laboratory testing.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.
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Designation:D5361–05
Standard Practice for
Sampling Compacted Bituminous Mixtures for Laboratory
1
Testing
This standard is issued under the fixed designation D 5361; 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.
1. Scope 4.2 Thecuttingedgeofthecoredrillbitshallbeofhardened
steel or other suitable material with diamond chips embedded
1.1 This practice describes a procedure for removal of a
in the metal cutting edge.
sample of compacted bituminous mixture from a pavement for
4.3 Saw blades used in a power saw shall be either a
laboratory testing.
hardened metal blade with diamond chips embedded or an
1.2 The values stated in SI units are to be regarded as the
abrasive blade such as carborundum or similar material.
standard. The values given in parentheses are for information
4.4 A source of cooling water, dry ice, liquid nitrogen, or
only.
other cooling material is normally required but in some cases
1.3 This standard does not purport to address all of the
may be omitted when only a single sample is to be secured.At
safety concerns, if any, associated with its use. It is the
any time there is evidence of damage to the edge of the sample
responsibility of the user of this standard to establish appro-
due to the generation of heat caused by friction, a cooling
priate safety and health practices and determine the applica-
material shall be applied to the cutting tool or to the pavement
bility of regulatory limitations prior to use.
surface to minimize sample distortion or other damage.
2. Referenced Documents 4.5 A device (core debonder) for separating core samples
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from underlying layers is not required to be used. If such
2.1 ASTM Standards:
deviceisemployed,itshallbeametalsemicirclewithaninside
D 979 Practice for Sampling Bituminous Paving Mixtures
radius equal to the outside radius of the core and shall have a
D 5361 Practice for Random Sampling of Construction
rigidly attached handle. A split core barrel of the required
Materials
radius cut in half vertically and welded to a strap iron handle
3. Significance and Use
is suitable for this purpose. (See Fig. 1.)
3.1 Samples obtained in accordance with the procedure
NOTE 1—Differences in manufacturers’ tolerances of core barrels’
given in this practice may be used to measure pavement
diameters and thicknesses may result in a particular barrel not fitting into
thickness, density, resilient or dynamic modulus, tensile the kerf. In such cases, other means may have to be used for debonding.
strength, Marshall or Hveem stability, or for extraction testing,
4.6 A lifting device (core lifter) for removing core samples
to determine asphalt content, asphalt properties and mix
from holes will preserve the integrity of the core. The device
gradation.
shall be a steel rod of suitable length and with a diameter that
will fit into the space between the core and the pavement
4. Apparatus
material. There shall be a 90° bend at the top to form a handle
4.1 To minimize distortion of the compacted bituminous
and a 90° bend at the bottom, approximately 50 mm (2 in.)
course(s), power equipment shall be used to secure the sample.
long, to form the lifter.
The equipment may be either a core drill or power saw.
5. Sampling
5.1 Take samples in accordance with the provisions of
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This practice is under the jurisdiction of ASTM Committee D04 on Road and
Practice D 979. Random sampling procedures as outlined in
Paving Materials and is the direct responsibility of Subcommittee D04.30 on
Practice D 3665 shall be followed when samples obtained will
Methods of Sampling.
be used in conducting quality control/quality assurance tests.
Current edition approved July 15, 2005. Published August 2005. Originally
approved in 1993. Last previous edition approved in 2000 as D 5361 – 00.
5.2 The sampling plan must include a clear definition as to
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
whether samples shall be taken adjacent to the pavement edge
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
or construction joints where density may be slightly lower than
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. in the main portion of the paving lane.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D5361–05
6.1.1 When cored samples are to be used for resilient or
dynamic modulus tests, the sample must form a right cylinder
with the top and bottom perpendicular to the axi
...
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