Othman Nasir

Assistant Professor

Civil Engineering


1 506 453 4914


  • Ph.D., 2013, Geotechnical Engineering, University of Ottawa
  • M.Sc., 2008, Geotechnical Engineering, University of Ottawa
  • M.Sc., 1997, Geotechnical Engineering, University of Mosul
  • Bachelor Degree, 1995, Civil Engineering, University of Mosul

Research interests

Numerical Modeling of Coupled Thermal-Hydraulic-Mechanical-Chemical Processes in Geotechnical and Geoenvironmental Application such as:

  • Deep Geological Repository (DGR)
  • Cemented Paste Backfill Technology (CPB)
  • Engineered Barrier System (Sand-Bentonite)
  • Underground Storage of Natural Gas.
  • Geothermal Energy

Selected publications, peer review journal papers

Nasir O., T.S. Nguyen, J.D. Barnichon, A. Millard. 2017. Simulation of hydromechanical behaviour of bentonite seals for containment of radioactive wastes. Canadian Geotechnical Journal, 2017, 54 (8), 1055-1070.

Nasir, O., Fall, M., & Evgin, E. 2014. A simulator for modeling of porosity and permeability changes in near field sedimentary host rocks for nuclear waste under climate change influences. Tunnelling and Underground Space Technology, 42, 122-135.

M. Fall , Nasir, O., T. S. Nguyen. 2014. A coupled hydro-mechanical model for simulation of gas migration in host sedimentary rocks for nuclear waste repositories. Engineering Geology 176: 24-44.

Nasir, O., M. Fall, T. S. Nguyen, and E. Evgin. 2013. Modeling of the thermo-hydro-mechanical–chemical response of sedimentary rocks to past glaciations. International Journal of Rock Mechanics & Mining Sciences 64 (2013) 160–174.

Nasir, O., M. Fall, T. S. Nguyen, and E. Evgin. 2011. Modelling of the hydro-mechanical response of sedimentary rocks of southern Ontario to past glaciations. Engineering Geology 123, (4): 271-287.

Nasir, O., and M. Fall. 2010. Coupling binder hydration, temperature and compressive strength development of underground cemented paste backfill at early ages. Tunnelling and Underground Space Technology 25 (1), pp. 9-20.

Fall, M., and O. Nasir. 2010. Mechanical behaviour of the interface between cemented tailings backfill and retaining structures under shear loads. Geotechnical and Geological Engineering 28, (6): 779-790.

Nasir, O., and M. Fall. 2009. Modeling the heat development in hydrating CPB structures. Computers and Geotechnics 36, (7): 1207-1218.

Nasir, O., and M. Fall.2008. Shear behaviour of cemented pastefill-rock interfaces. Engineering Geology 101, (3-4): 146-153.


Walsh, R., Nasir, O., Calder, N., Sterling, S., Avis, J. 2015. Combining TOUGH2 and FLAC3D to Solve Problems in Underground Natural Gas Storage September 2015 Conference: TOUGH Symposium 2015 at: Lawrence Berkeley National Laboratory, Berkeley, California.

Walsh, R., Nasir, O., Leung, H., Avis, J.: Numerical characterization of the excavation damaged zone in the HG-A experiment. In: Proceedings of International High-Level Radioactive Waste Management, Charleston (2015).

Nasir, O., M. Fall. COMSOL-PHREEQC: A Numerical Simulator for Coupled Thermo-Hydro-Mechanical-Geochemical Analysis of Contaminant Transport in Saturated Geological Media. International Conference on Environmental Pollution and Remediation, Ottawa, Ontario, Canada 2011.

Nasir, O., M. Fall, E. Evgin, T.S. Nguyen. Effects of past glaciation on the hydrogeology of the Michigan Basin. 2nd International Symposium on Computational Geomechanics. 27 April – 29 April 2011, Cavtat-Dubrovnik, Croatia.

Nasir, O., M. Fall, T.S. Nguyen and E. Evgin. 2009. Hydro-Mechanical Response of Sedimentary Rocks of Southern Ontario to Past Glaciations. Proceedings of the COMSOL Conference 2009 Boston.

Nasir, O., and M. Fall. 2008. Modeling the Heat Development in Hydrating CPB Structures. Canadian geotechnical conference, GeoEdmonton 2008.

Nasir, O., and M. Fall. Numerical Modeling of Heat Transfer Induced by Hot Cemented Paste Backfill. Ottawa geotechnical conference 2007.