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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.

Keywords

bituminous-concrete density; density; in-place density; nuclear test method; ICS Number Code 93.080.10 (Road construction)

To find similar documents by ASTM Volume:

04.03 (Road and Paving Materials; Vehicle-Pavement Systems)

To find similar documents by classification:

93.080.10 (Road construction Including road maintenance equipment and road construction equipment)

93.080.20 (Road construction materials Including asphalts, road pavements, etc.)

To find similar documents by Federal Supply Class Code:

FSC 5610 (Mineral Construction Materials, Bulk)

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