ACE and Thermosyphon Design Features Loftus Road Extension Project.

摘要

This report summarizes design parameters and calculations that have been performed for Loftus Road Extension Project. Because of the inclusion of concrete sidewalks, curbs, and gutters, as well as the fact that much of the project is underlain by permafrost, this project was selected to include several advanced design features in order to help eliminate possible maintenance problems due to thaw settlement of the roadway embankment. These features include sections of air convection embankment (ACE) and embedded thermosyphones. In order to properly design these features, a series of numerical simulations have been completed for three typical embankment cross sections within the project. Simulations were carried out for both ACE and thermosyphon sections. This report summarizes the results of those simulations and presents preliminary design recommendations. Also included are instrumentation plans for each of the three test cross sections.