- Research collaborations with the University of Texas at Arlington, Arlington, U.S.A
(Prof. Puppala and Prof. Laureano Hoyos).
- Minnesota Department of Transportation, USA
- Research collaborations with Ashikaga Institute Technology, Japan
(Prof. Nishimura, T).
- Research Collaborations with Prof. A. Mukhtar, University of Orleans, France.
- Research Collaborations with Prof. T. Schanz, University of Weimar, Germany, 2008
- Funding sources: CFI, NSERC, University of Ottawa and Lakehead University
- Dr. Shen Hong, Wuhan University of Technology, P. R. China
- Unsaturated Soil Technology
- Geo-environmental Engineering Studies (Soil Liners and Soil Covers)
- Pavement Design
- Critical State Soil Mechanics
- Freeze-Thaw and Wetting-Drying Behaviour of Compacted Soils
- Design of flexible pavements using the mechanics of unsaturated soil mechanics.
(NSERC)
- Simple experimental techniques for determining the engineering properties
of unsaturated soils (NSERC University of Ottawa Internal Research Grant)
- Minnesota Department of Transportation Research Grant - Resistance factors
for pavement design using principles of unsaturated soil mechanics.