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Marilyne Parent

 

Master student

Department of Civil Engineering and Water Engineering, Université Laval

Adrien-Pouliot Building
1065 avenue de la Médecine
Université Laval
Quebec, Canada
G1V 0A6

581.578.3826
marilyne.parent.2@ulaval.ca

 

 


 
 
 

Research project

Study of the mechanical mechanisms responsible for the degradation of a road embankment built on permafrost

The objective of this project is to quantify the relative importance of three mechanisms of mechanical degradation of a road embankment built on permafrost: consolidation, shear and frost heave.

The main site is located at kilometer 82 of the Inuvik-Tuktoyaktuk Highway (ITH) in the Northwest Territories, where vertical and horizontal inclinometers have been install to monitor and collect data for the movements of the embankment. More data will be collected at Salluit (Nunavik, Quebec) and Thompson (Manitoba) in order to assess the influence of the site on the mechanical degradation processes in action.

This project is carried out in three stages: literature review, laboratory testing and field visit. The literature review allows the documentation of the three mechanisms in seasonal frost and permafrost context, as well as to characterize the soils for various sites studied. The laboratory tests consist of determining the mechanical properties of the embankment and soil in place by performing consolidation, frost heave and shear tests. The degradation of the embankment on the section of road under study will be observed during field visits and, if necessary, sample for further testing will be taken.

 
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