Application of time-domain reflectometry to determine the thickness of the frozen zone in soils

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Conference3rd Int. Symp. on Ground Freezing: 21 June 1982, Hanover, NH, USA
SubjectPermafrost; Soils; freezing; electromagnetic properties; permittivity; thickness; electromagnetic pulse technique; dielectric constants; water; ice; freezing front delineation; coarse, fine grained soils; Sol; sol (terre); congelation (physique); propriete electromagnetique; constante dielectrique; epaisseur
AbstractTime-domain reflectometry is an electromagnetic pulse technique that has been used to measure the dielectric constant of soils at frequencies between 1MHz and 1GHz. The dielectric constant of water is 30 times that of ice, making it possible to delineate the freezing front in soils. Results of laboratory experiments will be presented to show the application of this technique to determine the thickness of the frozen zone in coarse-grained and fine-grained soils. The location of the freezing boundary using time- domain reflectometry will be compared with temperature measurements and interpretations from X-ray photographs.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number23577
NPARC number20386484
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Record identifier0c6bd679-29be-4918-8ece-9f7b7eed1a95
Record created2012-07-25
Record modified2016-05-09
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