ASTM D979-01
(Practice)Standard Practice for Sampling Bituminous Paving Mixtures
Standard Practice for Sampling Bituminous Paving Mixtures
SCOPE
1.1 This practice covers sampling of bituminous paving mixtures at points of manufacture, storage, delivery, or in place.
1.2 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.
1.3 The values stated in SI units are to be regarded as the standard. The values in parentheses are provided for information purposes only.
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Designation:D979–01
Standard Practice for
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Sampling Bituminous Paving Mixtures
This standard is issued under the fixed designation D 979; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3.1.2 increment, n—part of a sample.
3.1.3 lot, n—a sizable isolated quantity of bulk material
1.1 This practice covers sampling of bituminous paving
from a single source, assumed to have been produced by the
mixtures at points of manufacture, storage, delivery, or in
same process (for example, a day’s production or a specific
place.
mass of volume).
1.2 This standard does not purport to address all of the
3.1.4 test portion, n—a quantity of the material of sufficient
safety concerns, if any, associated with its use. It is the
size extracted from the larger field sample by a procedure
responsibility of the user of this standard to establish appro-
designed to ensure accurate representation of the field sample,
priate safety and health practices and determine the applica-
and thus of the unit sampled.
bility of regulatory limitations prior to use.
3.1.5 unit, n—a batch or finite subdivision of a lot of bulk
1.3 The values stated in SI units are to be regarded as the
material (for example, a truck load or a specific area covered).
standard. The values in parentheses are provided for informa-
tion purposes only.
4. Significance and Use
2. Referenced Documents 4.1 General:
4.1.1 Sampling is equally as important as the testing, and
2.1 ASTM Standards:
the sampler shall take every precaution to obtain samples that
C 702 Practice for Reducing Samples of Aggregate to
2
will yield an acceptable estimate of the nature and conditions
Testing Size
of the materials which they represent.
D 2234 Test Method for Collection of a Gross Sample of
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4.1.2 Samples for the development of preliminary data are
Coal
obtained by the party responsible for the development of the
D 3665 Practice for Random Sampling of Construction
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data. Samples for control of the product at the source of
Materials
5 manufactureorstorage,oratthesiteofuse,areobtainedbythe
E 105 Practice for Probability Sampling of Materials
manufacturer, contractor, or other parties responsible for ac-
E 122 Practice for Calculating Sample Size to Estimate,
complishing the work. Samples for tests to be used in accep-
With a Specified Tolerable Error, the Average for a
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tance or rejection decisions by the purchaser are obtained by
Characteristic of a Lot or Process
the purchaser or his authorized representative.
E 141 Practice for Acceptance of Evidence Based on the
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Results of Probability Sampling
5. Procedure
3. Terminology 5.1 Inspection—The material shall be inspected to deter-
mine discernible variations. The seller shall provide equipment
3.1 Definitions of Terms Specific to This Standard:
needed for safe and appropriate inspection and sampling.
3.1.1 field sample, n—a quantity of the material to be tested
5.2 Sampling—The procedures for selecting locations or
of sufficient size to provide an acceptable estimate of the
times for sampling are described in Practice D 3665.
average quality of a unit.
5.2.1 Sampling from a Conveyor Belt—Stop the conveyor
belt. Randomly select at least three areas of approximately
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This practice is under the jurisdiction of ASTM Committee D04 on Road and
equal size on the belt for sampling. In each of the locations to
Paving Materials and are the direct responsibility of Subcommittee D04.30 on
besampled,inserttemplates,theshapeofwhichconformtothe
Methods of Sampling.
shape of the belt. From the selected areas obtain approximately
Current edition approved Aug. 10, 2001. Published September 2001. Originally
published as D 979 – 48 T. Last previous edition D 979 – 96. equal increments of material which will form a sample whose
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Annual Book of ASTM Standards, Vol 04.02.
quantity equals or exceeds the minimum recommended in
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Annual Book of ASTM Standards, Vol 05.06.
4.3.2. Carefully scoop all material between templates into a
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Annual Book of ASTM Standards, Vol 04.03.
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suitable container.
Annual Book of ASTM Standards, Vol 14.02.
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D979
5.2.2 Sampling from Truck Transports—By a random Each increment shall be obtained by coring, sawing, or other
method, select the units to be sampled from the production of methods in such a manner as to ensure a minimum disturbance
of the material.
materials
...
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