Won Taek Oh

Education

• PhD Civil Engineering, University of Ottawa, 2012
• PhD Civil Engineering, Pusan National University (S. Korea), 2003
• MASc Civil Engineering, Pusan National University (S. Korea), 2000
• BASc Civil Engineering, Pusan National University (S. Korea), 1998

Specialty: Geotechnical Engineering

Research interests

• Unsaturated soils
  • Retaining wall and earth pressure
  • Ground improvement techniques
  • Bearing capacity
  • Estimation of mechanical properties of soils
  • Slope stability
  • Problematic soils

Courses at UNB

• CE 2113 Soil Mechanics
• CE 3123 Foundation Engineering I
• CE 5132 Foundation Engineering II

Keynote papers

Vanapalli, S.K. and Oh, W.T. 2012. Uncertainties in interpreting the scale effect of plate load tests in unsaturated soils. Keynote Lecture, In Proc. Int. Symp. on Engineering under Uncertainty: Safety Assessment and Management, 4-6 January 2012, Bengal, India.

Vanapalli, S.K. and Oh, W.T. 2010. Bearing capacity of a compacted unsaturated fine-grained soil under constant water content conditions, Keynote lecture, In Proc. 3rd Int. Conf. on Problematic Soils, 7-9 April 2010, Adelaide, Australia: 35-52.

Vanapalli, S.K. and Oh, W.T. 2010. Mechanics of unsaturated soils for the design of foundation structures. Plenary Address, In Proc. 3rd WSEAS Int. Conf. on Engineering Mechanics, Structures, Engineering Geology, 20-24 July 2010, Corfu Island, Greece: 363-377.

Articles in refereed journals

Oh, W.T. and Vanapalli, S.K. 2014. Semi-empirical model for estimating the small-strain shear modulus of unsaturated on-plastic sandy soils. J. Geotech. Geol. Eng., 32:259-271.

Joseph, A., Vanapalli, S.K., Oh, W.T. and Bo, M.W. 2013. Settlement behavior of a soil due to artificial tree roots. Environ. Geotech., 2(EG1): 18-25.

Oh, W.T. and Vanapalli, S.K. 2013. Interpreting the bearing capacity of unsaturated fine-grained soils using modified effective and total stress approaches. Int. J. Geomech., 13(6): 769-778.

Oh, W.T. and Vanapalli, S.K. 2013. Scale effect of plate load tests in unsaturated soils. Int. J. GEOMATE., 4(2): 585-594.

Vanapalli, S.K. and Oh, W.T. 2011. Simple techniques for the estimation of suction in compacted soils in the range of 0 to 60,000 kPa. Geotech. Test. J., 34(6).

Oh, W.T. and Vanapalli, S.K. 2011. Modelling the applied vertical stress and settlement relationship of shallow foundations in saturated and unsaturated sans. Can. Geotech. J., 48(3): 425-438.

Oh, W.T. and Vanapalli, S.K. 2010. Influence of rain infiltration on the stability of compacted soil slopes. Comput. Geotech., 37(5): 649-657.

Vanapalli, S.K. and Oh, W.T. 2009. A model for predicting the modulus of elasticity of unsaturated soils using the Soil-Water Characteristic Curves. Int. J. Geotech. Eng., 4(4): 425-433.

Oh, W.T., Vanapalli, S.K. and Puppala, A.J. 2009. Semi-empirical model for the prediction of modulus of elasticity for unsaturated soils. Can. Geotech. J., 48(6): 903-914.

Oh, W.T., Garga, V.K., and Vanapalli, S.K. 2008. Shear strength characteristics of statically compacted unsaturated kaolin. Can. Geotech. J., 45(7): 910-922.

Papers published in refereed conference proceedings

Han, Z., Oh, W.T. and Vanapalli, S.K. 2015. Modelling the behavior of a shallow foundation in compacted clay. In Proc. GeoQuebec 20154 (Accepted for publication)

Han, Z., Han, S., Oh, W.T. and Vanapalli, S.K. 2014. Modelling the stress-settlement behavior of Shallow foundation in unsaturated sand using Sigma/W and Plaxis. In Proc. GeoRegina 2014, 28 September - 1 October 2014.

Oh, W.T. and Vanapalli, S.K. 2013. Integrated Slope Stability Analyses of Wastewater Storage Structure extending the Capillary Barrier Technique. In Proc. Geo-Congress 2013, ASCE, 3-6 March 2013: 363-372.

Vanapalli, S.K., Lu, L., Sedano, J.A.I. and Oh, W.T. 2012. Swelling characteristics of sand-bentonite mixtures. In Proc. 2nd European Conf. on Unsaturated Soils, 20-22 June 2012, Napoli, Italy: 77-84.