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ASTM D6031-96

Current Revision

Standard Test Method for Logging In Situ Moisture Content and Density of Soil and Rock by the Nuclear Method in Horizontal, Slanted, and Vertical Access Tubes

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1.1 This test method covers collection and comparison of logs of thermalized-neutron counts and back-scattered gamma counts along horizontal or vertical air-filled access tubes.

1.2 The in-situ water content in mass per unit volume and the density in mass per unit volume of soil and rock at positions or in intervals along the length of an access tube are calculated by comparing the thermal neutron count rate and gamma count rates respectively to previously established calibration data.

1.3 The values stated in SI units are regarded as the standard. The inch-pound units given in parentheses may be approximate and are provided for information only.

1.4 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 hazards, see Section 6.


SDO ASTM: ASTM International
Document Number D6031
Publication Date Oct. 10, 1996
Language en - English
Page Count 6
Revision Level 96
Supercedes
Committee D18.21
Publish Date Document Id Type View
Oct. 10, 1996 D6031-96 Revision
Nov. 1, 2004 D6031-96R04 Reaffirmation