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About This Item

 

Full Description

This test method is useful as a rapid, nondestructive technique for the calculation of the in-place density of soil and rock at desired depths below the surface as opposed to surface measurements in accordance with Test Method D 6938.

This test method is useful for informational and research purposes. It should only be used for quality control and acceptance testing when correlated to other accepted methods such as Test Method D 2937.

The non-destructive nature of the test method allows repetitive measurements to be made at a single test location for statistical analysis and to monitor changes over time.

The fundamental assumptions inherent in this test method are that Compton scattering and photoelectric absorption are the dominant interactions of the gamma rays with the material under test.

Note 1--The quality of the result produced by this standard test method is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D 3740 are generally considered capable of competent and objective testing/sampling/inspection, and the like. Users of this test method are cautioned that compliance with Practice D 3740 does not in itself assure reliable results. Reliable results depend on many factors; Practice D 3740 provides a means of evaluating some of those factors.
 

Document History

  1. ASTM D5195-21


    Standard Test Method for Density of Soil and Rock In-Place at Depths Below Surface by Nuclear Methods

    • Most Recent
  2. ASTM D5195-14e1


    Standard Test Method for Density of Soil and Rock In-Place at Depths Below Surface by Nuclear Methods

    • Historical Version
  3. ASTM D5195-14


    Standard Test Method for Density of Soil and Rock In-Place at Depths Below Surface by Nuclear Methods

    • Historical Version
  4. ASTM D5195-08

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    Standard Test Method for Density of Soil and Rock In-Place at Depths Below Surface by Nuclear Methods

    • Historical Version
  5. ASTM D5195-02


    Standard Test Method for Density of Soil and Rock In-Place at Depths Below the Surface by Nuclear Methods

    • Historical Version
  6. ASTM D5195-91(1996)


    Standard Test Method for Density of Soil and Rock In-Place at Depths Below the Surface by Nuclear Methods

    • Historical Version