View Paper

HIGHWAY STRUCTURE STABILIZING THROUGH CONVECTION PIPE COOLING (CPC)

Session: Embankments and Dams in Cold Regions / Remblais et barrages en régions nordiques

Christian Nesrallah, University of Ottawa (Canada)
Mamadou Fall, Professor at the University of Ottawa (thesis supervisor to Christian Nesrallah) (Canada)

An experimental research site has been constructed in the Northwest Territories to examine the efficacy of long, narrow, hollow pipes inserted into the ground as a cooling mechanism to stabilize permafrost. The pipes were installed in four different ways in order to achieve a broader picture of the mechanisms at work. The resulting ground temperatures over the winter months are presented. Promising results have been obtained.