Astm D 3496 – 99 pdf free download

Standard Practice for
Preparation of Bituminous Mixture Specimens for Dynamic
Modulus Testing1

This standard is issued under the fixed designation D 3496; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the 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

1.1 This practice covers the preparation of cylindrical specimens of bituminous paving mixture suitable for dynamic
modulus tests. The practice is intended for dense-graded
bituminous concrete mixtures containing aggregate up to
25.0-mm maximum size.

1.2 The values stated in SI units are the standard.

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.

2. Referenced Documents

2.1 ASTM Standards:
D 1560 Test Methods for Resistance to Deformation and
Cohesion of Bituminous Mixtures by Means of Hveem
Apparatus2
D 1561 Practice for Preparation of Bituminous Mixture Test
Specimens by Means of California Kneading Compactor2
D 3387 Test Method for Compaction and Shear Properties
of Bituminous Mixtures by Means of the U.S. Corps of
Engineers Gyratory Testing Machine (GTM)2

3. Apparatus

3.1 California Kneading Compactor—When the California
kneading compactor is used to prepare specimens, the apparatus shall be in accordance with Practice D 1561, except steel
molding cylinders with [6-mm] wall thickness having an inside
diameter of 100 mm and height of 250 mm shall be used.

3.2 Corps of Engineers Gyratory Testing Machine—When
the Corps of Engineers gyratory testing machine is used to
prepare specimens, the apparatus shall be as specified by Test
Method D 3387, except that only those models capable of
producing 100-mm diameter by 200-mm high specimens are
applicable. The dimensions of the molding cylinders for this
machine shall be 100 mm in diameter by 300-mm long.

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