Performance of city pavement structures containing foamed plastic insulation

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TypeArticle
Journal titleHighway Research Record
ISSN0073-2206
Issue128
Pages117; # of pages: 17
Subjectpavement; insulating products; frost penetration; polystyrene; Cellular plastics (plastic foam); Roads; dallage; isolant; penetration du gel; polystyrene
AbstractThis paper presents one winter's results of two 100-ft city pavement sections insulated with a 2-in. thickness of extruded polystyrene plastic foam in Sudbury, Ontario, Canada. The experimental results consisted of temperature measurements, frost-depth measurements with methylene blue gages, elevation measurements for frost heave and Benkelman beam deflections following the thawing period. The insulation reduced frost penetration by 35 in. during a 2600 degree-day winter. Thermoconductivity measurements showed that no deterioration occurred in the insulating properties of the insulation. Frost penetration in the control area was approximately 65 in., which compared favorably with the depth predicted by the U.S. Army Corps of Engineers from measurements in granular base course beneath snow-cleared airport runways.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-RP-292
NRC number9232
2128
NPARC number20374274
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Record identifiera3ffb6c4-8eaf-4df0-85bd-972f1356e459
Record created2012-07-23
Record modified2016-05-09
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