Calibration and evaluation of a nuclear density and moisture measuring apparatus.
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1963-11-01
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Alternative Title:Calibration and evaluation of a nuclear density and moisture measuring apparatus : in-place measurement of soil density and/or soil moisture by means of a nuclear device using low-level neutron and gamma radiation.
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Abstract:The research objectives of this project were to investigate a new
method of in-place determination of soils densities and moisture levels
employing a nuclear physics principle of the gamma radiation function as
the measurement technique, with specific emphasis upon:
a. The exploration and definition of the range of measurements which might be established as a uniform standard
for calibration of the nuclear measuring device; and
b. An evaluation of the functional adaptation and utility
of the device along with an appraisal of the reliability
of the measurements produced.
Other areas of particular interest to be observed during the project
were identified as follows: Time requirements per test, optimum probe depth, weather and/or temperature effects on test results, and undesirable aspects.
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