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ASTM International - ASTM D2950-09

Standard Test Method for Density of Bituminous Concrete in Place by Nuclear Methods

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Organization: ASTM International
Publication Date: 1 June 2009
Status: inactive
Page Count: 5
ICS Code (Road construction): 93.080.10
significance And Use:

The test method described is useful as a rapid, nondestructive technique for determining the in-place density of compacted bituminous mixtures.

With proper calibration and confirmation... View More

scope:

1.1 This test method describes a test procedure for determining the density of bituminous concrete by the attenuation of gamma radiation, where the source and detector(s) remain on the surface (Backscatter Method) or the source or detector is placed at a known depth up to 300 mm (12 in.) while the detector or source remains on the surface (Direct Transmission Method).

1.2 The density, in mass per unit volume of the material under test, is determined by comparing the detected rate of gamma emissions with previously established calibration data.

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. For specific warning statements see Section 6 and Note 4.

1.4 The values stated in SI units are to be regarded as the standard. The inch-pound equivalents may be approximate.

Document History

ASTM D2950-09
June 1, 2009
Standard Test Method for Density of Bituminous Concrete in Place by Nuclear Methods
1.1 This test method describes a test procedure for determining the density of bituminous concrete by the attenuation of gamma radiation, where the source and detector(s) remain on the surface...
June 1, 2005
Standard Test Method for Density of Bituminous Concrete in Place by Nuclear Methods
The test method described is useful as a rapid, nondestructive technique for determining the in-place density of compacted bituminous mixtures. With proper calibration and confirmation testing, the...
January 1, 1991
Standard Test Method for Density of Bituminous Concrete in Place by Nuclear Methods
1.1 This test method describes a test procedure for determining the density of bituminous concrete by the attenuation of gamma radiation, where the source and detector(s) remain on the surface...
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