1887

Abstract

The radiometric method of measuring density and moisture in-situ with the Russian made probes PPGR and<br>VPGR is calibrated for logging in cased holes. The accuracy of the radiometric gamma-gamma and neutronneutron<br>logging methods depends on the material properties and on the time allowed for the integration of the<br>back-scattered radiation energy, This paper presents case studies describing the accuracy and repeatability of the<br>measurements in monitoring of changes in water content and in density of soils and soil structures.

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/content/papers/10.3997/2214-4609-pdb.206.1995_082
1995-04-23
2020-06-02
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609-pdb.206.1995_082
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