Thermal performance of a section of the MacKenzie Highway

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ConferencePermafrost : 4th International Conference, Proceedings: 17 July 1983, Fairbanks, Alaska, USA
Pages353358; # of pages: 6
SubjectPermafrost; Soils; highways; thermal properties; climates; seasons; cold regions; shallow road embankment; hourly ground temperatures; settlement; thermal conductivity probes; permafrost degradation; Sol; route principale; propriete thermique; climat; saison; zone froid
AbstractThe thermal performance of a shallow road embankment constructed on permafrost in the discontinuous zone of the Mackenzie Valley was monitored over a 5-year period. The shallow (1.2 m) embankment consisted of clean borrow material end dumped on a right-of-way which had previously been cleared of trees. The road was never opened to general traffic; consequently snow removal was minimal. Measurements included hourly ground temperatures recorded with a data logger operating unattended. Settlements were monitored and thermal conductivity probes were installed to yield information on seasonal trends within the embankment and in the various natural materials comprising the active layer. The data indicate that degradation of the permafrost is under way and provide information on the relation between road surface temperatures and climatic factors for this region.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number23113
NPARC number20375444
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Record identifier8addf126-dbe3-4f58-a547-56057e880d3f
Record created2012-07-23
Record modified2016-05-09
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