James Blatz

This user account status is Approved

Dr. James Blatz was appointed Associate Vice-President (Partnerships) for a second five-year term effective July 1, 2014. He obtained his PhD in Civil Engineering in 2000 from the University of Manitoba and completed an NSERC Post-Doctoral award at the GeoEngineering Centre at Queen’s-RMC. He was previously the Associate Head of the Department of Civil Engineering and also served as Associate Dean (Research and Graduate Programs) in the Faculty of Engineering. He is a Professor in the Department of Civil Engineering conducting research in the areas of risk management for civil engineering infrastructure and technical aspects of temporary and permanent flood protection works.

Civil Engineering
Geotechnical engineering
Flood protection infrastructure, infrastructure management and planning
There are currently no positions open.

Geotechnical engineering including design of flood protection infrastructure, infrastructure management and planning, design in engineering practice.

RESEARCH PUBLICATIONS

Refereed Research Publications (31 Total - 29 Accepted / Published, 2 In-Review)

31. Graham, J., Alfaro, M.C., and Blatz, J.A. 2011. Natural processes and strength degredation. Special Volume on Bifurcations, Instabilities and Degredations in Geomaterials. Collected papers from IWBDG2008. Lake Louise, Alberta, Canada, 2008. Richard Wan, Mustafa Alsaleh & Joe Labuz, Editors. Punl. Springer, New York, NY.

30. Siddiqua, S., Siemens, G.A., Blatz, J.A. and Man, A.G. 2011. Inclusion of pore fluid chemistry on stress strain behavior of Light Buffer Material and Dense Buffer Material. Submitted to ASCE Journal of Geotechnical and Geoenvironmental Engineering. Accepted and in Revisions.

29. Priyanto, D.G., Man. A.G., Blatz, J.A. and Dixon, D.A. 2011. Elastoplastic Constitutive Models Parameters for Unsaturated Compacted Bentonite Sand Mixture (BSM). Submitted to the Journal of Physics and Chemistry of the Earth. Elsevier (Ed.). Accepted.

28. Privat, N.C., Blatz J.A. and Siddiqua, S. 2011. Performance of prototype rockfill dams subjected to flowthrough and overtopping conditions. Submitted to Hydraulics International.
In-Review.

27. Priyanto, D.G., Blatz, J.A. and Siemens, G.A. 2011. Three-dimensional hydraulic constitutive model for unsaturated swelling clay. Submitted to the Canadian Geotechnical Journal. In-Review.

26. Siddiqua, S., Blatz, J.A. and Privat, N. 2011. Evaluating turbulent flow in large rockfill. Submitted to the ASCE Journal of Hydraulic Engineering. Accepted and In-Press.

25. Man, A., Graham, J. and Blatz, J.A. 2011. Seepage, leaching and embankment instability. Canadian Geotechnical Journal. Accepted and In-Press.

24. Abdulrazaq, W.F., Alfaro, M.C. and Blatz J.A. 2010. Evaluating Stability of Riverbanks Reinforced with Rockfill Columns. Lowland Technology International Journal 12:2, 1-8.

23. Theissen, K, Alfaro, M.C. and Blatz, J.A. 2010. Measuring the load-deformation response of rockfill columns by a full-scale field test on a natural riverbank. Canadian Geotechnical Journal. Accepted and In-Press.

22. Siddiqua, S.Ms. and Blatz, J.A. 2010. Understanding the performance of clay sealing materials. Submitted to the Canadian Geotechnical Journal. Accepted and In-Press.

21. Siddiqua, S.Ms., Blatz, J.A. and Siemens, G.A. 2010. Evaluation of pore-fluid chemistry on the hydro-mechanical behaviour of clay-based sealing materials. Submitted to the Canadian Geotechnical Journal. Accepted and In-Press.

20. Blatz, J.A. 2010. “2007 Colloquium: Geotechnical Challenges with Flood Protection Infrastructure”. Canadian Geotechnical Journal. Accepted.

19. Alfaro, M.C. Blatz, J.A., Abdulrazaq, W.F and Kim, C.S. 2009. Evaluating shear mobilization in rockfill columns for riverbank stabilization. Canadian Geotechnical Journal. Vol. 46, No. 6, pp. 976-986.

18. Siemens, G.A. and Blatz, J.A. 2009. Examination of Boundary Condition Influence on Hydraulic-Mechanical Behaviour of an Unsaturated Swelling Soil. Canadian Geotechnical Journal. Vol. 46, No. 3, pp. 339-356.

17. Blatz, J.A., Cui, Y-J and Oldecop, L. 2008. Experus State-of-the-Art Report on the Use of Vapour Equilibrium Technique and Osmotic Method for Suction Control. Journal of Geotechnical and Geological Engineering. Vol. 26, pp. 661-673.

16. Siemens, G.A. and Blatz, J.A. 2008. Numerical modelling of shallow foundations on swelling clay soil using the swelling equilibrium limit, Unsaturated Soils: Advances in Geo-Engineering, Proc. 1st European Conf. on Unsaturated Soils, Durham, UK (ed. Toll, D.G., Augarde, C.E., Gallipoli, D. & Wheeler, S.J.), Leiden: CRC Press/Balkema, pp. 855-860.

15. Van Helden, M.J., Blatz, J.A., Ferriera, N.J. and Skaftfeld K. 2008. Numerical Modeling of Sand Drain Performance - A Case Study of the Salter Street Bridge Construction. Canadian Geotechnical Journal. Vol. 45, No. 6, pp. 751-767.

14. Siemens, G.A., Blatz, J.A. and Ruth, D. 2007. A capillary tube model for two-phase transient flow through swelling soil. Canadian Geotechnical Journal. Vol. 44, No. 12, pp. 1446-1461.

13. Siemens, G.A. and Blatz, J.A. 2007. Development of a hydraulic conductivity apparatus for bentonite soils. Canadian Geotechnical Journal. Vol. 44, No. 8, pp. 997-1005.

12. Krahn, T.J., Blatz, J.A., Alfaro, M.C., and Bathurst R.J. 2007. Large-Scale Interface Shear Testing of Sandbag Dyke Materials. Geosynthetics International. Vol. 14, No. 2, pp. 119-126.

11. Blatz, J.A., Anderson, D.E.S. and Siemens, G.A. 2007. Evaluation of the transitional inelastic behaviour of unsaturated clay–sand mixtures. Canadian Geotechnical Journal. Vol. 44, No.4, pp. 436 – 446.

10. Siemens, G.A. and Blatz, J.A. 2007. Triaxial apparatus for applying liquid infiltration with controlled boundary conditions and internal suction measurement. ASCE Journal of Geotechnical and Geoenvironmental Engineering. Vol. 133, No. 6, pp. 748-752.

9. Alfaro, M.C., Blatz, J.A. and Graham, J. 2005. Geosynthetic-reinforced embankments over degrading discontinuous permafrost subjected to presetressing. Lowland Technology International, Vol. 8, No. 1, pp. 47-54.

8. Sivakumar, R., Sivakumar, V., Blatz, J.A., and Vimalan, J. 2004. Twin-Cell Stress Path Apparatus For Testing Unsaturated Soils. ASTM Geotechnical Testing Jounal, Vol. 29, No. 2., pp. 175-179.

7. Blatz, J.A., Ferreira, N.J. and Graham, J. 2004. Assessing the effect of near surface environmental conditions on unsaturated slope instability. Canadian Geotechnical Journal. Vol. 41, No. 6, pp. 1111-1126. (2005 R.M. Quigley Award Winner)

6. Bathurst R.J., Blatz, J.A. and Burger, M.H. 2003. Performance of instrumented large-scale unreinforced and reinforced embankments loaded by a strip footing to failure. Canadian Geotechnical Journal. Vol. 40, No. 6, pp. 1067–1083.

5. Blatz J.A. and Bathurst, R.B. 2003. Limit equilibrium analysis of large-scale reinforced and unreinforced embankments loaded by a strip footing. Canadian Geotechnical Journal. Vol. 40, No. 6, pp. 1084–1092.

4. Blatz, J.A., and Graham, J. 2003. Elastic-plastic modeling of unsaturated soil using results from a new triaxial test with controlled suction. Géotechnique Special Symposium in Print on Unsaturated Soils, Vol. 53, No. 1, pp. 113-122.

3. Blatz, J.A., Graham, J. and Chandler, N.A. 2002. Influence of suction on the strength and stiffness of compacted sand-bentonite. Canadian Geotechnical Journal. Vol. 39, No. 5, pp. 1005–1015. (2003 R.M. Quigley Award Honourable Mention)

2. Tang, G.X., Graham, J., Blatz, J.A., Gray, M. and Rajapakse, R.K.N.D. 2002. Suctions, stresses and strengths in unsaturated sand-bentonite. Journal of Engineering Geology, 64(2), pp. 147-156.

1. Blatz, J.A. and Graham, J. 2000. A system for controlled suction in triaxial tests. Géotechnique. Vol. 50, No. 4, pp. 465–470.

Keynote Papers / Invited Lectures (4 Total) – Paid Expenses to Present

Blatz, J.A. 2008. Geotechnical Considerations with the Design of the Red River Floodway Expansion. GeoEngineering Centre at Queens–RMC Inivited Lecture series.

Blatz J.A. 2007. Canadian Geotechnical Society Colloquium Keynote Lecture. 60th Canadian Geotechnical Conference, Ottawa, Ontario. October 21st-24th.

Blatz, J.A., Cui, Y-J. and Oldecop, L. 2005. Experus State-of-the-Art Report on the Use of Vapour Equilibrium Technique and Osmotic Method for Suction Control. Invited State-of-the-Art Report. Advanced Experimental Unsaturated Soil Mechanics EXPERUS 2005, Trento, Italy. (This paper is listed under Journal Papers)

Blatz, J.A., Anderson D.E.S., Graham J., and Siemens G.A. 2003. Evaluation of yielding in unsaturated clays using an automated triaxial apparatus with controlled suction. Invited Lecture Paper. International Conference From Experimental Methods Towards Numerical Modeling of Unsaturated Soils, Bauhaus-Universität, Weimar, Germany. Springer Press, NY. pp. 285-300.

Non-Refereed Conference Papers (56 Total)

56. Jianfar, A., Blatz, J.A. and Smith, J.B. 2011. Determination of the erosion rates for lacustrine soils using a new erosion measurement device. 64th Canadian Geotechnical Conference, Toronto, ON.

55. Siddiqua, S., Blatz, J.A. and Siemens, G.A 2011. Evaluating the influence or pore-fluid chemistry on the mechanical behavior of high plastic clays. 64th Canadian Geotechnical Conference, Toronto, ON.

54. Siddiqua, S. Priyanto, D.G. and Blatz J.A. 2010. Understanding the performance of sealing materials under the influence of groundwater salinity. 63rd Canadian Geotechnical Conference, Calgary ,Alberta.

53. Thiessen, K., Alfaro, M.C. and Blatz, J.A. 2009. Analysis of a full-scale field test of rockfill columns. 62nd Canadian Geotechnical Conference, Halifax, Nova Scotia.

52. Offman, R. and Blatz, J.A. 2009. Effects of wave loading on sandbag dike stability. 62nd Canadian Geotechnical Conference, Halifax, Nova Scotia.

51. Van Helden, M.J., Blatz, J.A. and Bannister, K.W. 2009. Assessment of soil variability structure at McArthur Falls Generating Station. 62nd Canadian Geotechnical Conference, Halifax, Nova Scotia.

50. Van Helden, M.J., Blatz, J.A. and Bannister, K.W. 2009. Measurement and modeling of soil variability for probabilistic slope stability analysis. 17th International Conference on Soil Mechanics and Geotechnical Engineering, Alexandria, Egypt.

49. Priyanto, D.G. and Blatz, J.A. 2008. Modelling AECL’s Isothermal Test using a porosity dependent permeability (kwn) model and an elastoplastic model. 61st Canadian Geotechnical Conference, Edmonton, Alberta, pp. 203-209.

48. Van Helden, M. and Blatz, J.A. 2008. Probabilistic slope stability analaysis of the Red River Floodway channel. 61st Canadian Geotechnical Conference, Edmonton, Alberta,
pp. 232-237.

47. Offman, R. and Blatz, J.A. 2008. Effects of temperature and moisture on large-scale interface shear testing of sandbag dikes. 61st Canadian Geotechnical Conference, Edmonton, Alberta, pp. 252-259.

46. James, A. and Blatz, J.A. 2008. Development of a riverbank asset management system for the City of Winnipeg. 61st Canadian Geotechnical Conference, Edmonton, Alberta,
pp. 485-491.

45. Thiessen, K., Alfaro, M.C., and Blatz, J.A. 2008. Monitoring results from a full-scale field test of rockfill columns. 61st Canadian Geotechnical Conference, Edmonton, Alberta,
pp. 506-513.

44. Blatz, J.A. 2008. Examples of risk management strategies for geohazard management in Manitoba. 61st Canadian Geotechnical Conference, Edmonton, Alberta, pp. 1054-1055.

43. Alfaro, M.C., Blatz, J.A. and Graham, J. 2008. Refining geotechnical education to reflect modern engineering practice. 61st Canadian Geotechnical Conference, Edmonton, Alberta, pp. 1075-1083.

42. Van Helden, M.J. and Blatz, J.A. 2007. Statistical Analyses to Determine Probabilistic Slope Stability Parameters for Lake Agassiz Clay. 60th Canadian Geotechnical Conference, Ottawa, Ontario, pp. 675 - 680.

41. Baldwin, J. and Blatz, J.A. 2007. Development of a GIS-Based Slope Hazard Managament Tool. 60th Canadian Geotechnical Conference, Ottawa, Ontario, pp. 705 - 712.

40. Thiessen, K., Alfaro, M.C. and Blatz, J.A. 2007. Design of a Full-Scale Field Test for Evaluating Rockfill Column Performance. 60th Canadian Geotechnical Conference, Ottawa, Ontario, pp. 800 - 806.

39. Abdulrazaq, W., Alfaro, M.C. and Blatz, J.A. 2007. A study on Soil-Cement Columns for Stabilizing Riverbanks. 60th Canadian Geotechnical Conference, Ottawa, Ontario.
pp. 794 – 799.

38. Abdulrazaq, W., Alfaro, M.C. and Blatz, J.A. 2007. Examination of the impact of installation technique on performance of rockfill columns for riverbank stabilization. 1st North American Landslide Conference, Vail, Colorado, June 2007.

37. Privat, N.C., Blatz, J.A., Wortley, J.J.C. and Hansen, D. 2006. Development of a permeameter for examining hydraulic characteristics of rockfill. Canadian Dam Association Conference, Quebec City, Quebec. October 1-4th, 2006.

36. Siemens, G.A. and Blatz, J.A. 2006. Examination of swelling soil structure following liquid infiltration under controlled boundary conditions. 59th Canadian Geotechnical Conference, Vancouver, British Columbia, October 1-4th, 2006.

35. Abdulrazaq, W., Kim, C-S, Alfaro, M.C. and Blatz, J.A. 2006. Effects of low level cementation in rockfill columns for riverbank stabilization. International Symposium of Lowland Technology, Saga, Japan. September 14-16th, 2006.

34. Abdulrazaq, W., Alfaro, M.C. and Blatz, J.A. 2006. Effects of rock column geometry and layout for stabilizing natural riverbanks. 59th Canadian Geotechnical Conference, Vancouver, British Columbia, October 1-4th, 2006.

33. Blatz, J.A., Take, W.A. and Priyanto, D.G. 2006. Influence of a weathered zone on the susceptibility of a slope to rainfall induced instability. Unsaturated Soils 2006, Carefree, Arizona. ASCE Geotechnical Special Publication No. 147, pp. 2291-2299.

32. Priyanto, D.G., Siemens, G.A. and Blatz, J.A. 2006. Evaluation of two constitutive models to simulate behaviour during constant volume infiltration on a swelling clay soil. Unsaturated Soils 2006, Carefree, Arizona. ASCE Geotechnical Special Publication No. 147, pp. 985-996.

31. Siemens, G.A., Blatz, J.A. and Priyanto, D.G. 2006. Results of long-term infiltration tests on unsaturated swelling clay. Unsaturated Soils 2006, Carefree, Arizona. ASCE Geotechnical Special Publication No. 147, pp. 939-950.

30. Graham, J., Man, A.G., Alfaro, M., Blatz, J.A. and VanGulck, J. 2005. Gypsum cementation and yielding in plastic clay. 16th International Conference on Soil Mechanics and Geotechnical Engineering, Osaka, Japan. Vol. 1, pp. 507-512.

29. Priyanto, D.G., Blatz, J.A. and Siemens, D.G. 2005. Comparison of two constitutive models to simulate the behaviour of unsaturated swelling clay. 58th Canadian Geotechnical Conference, Saskatoon, Saskatchewan, Vol. 1, pp. 343-350.

28. Krahn, T.J., Blatz, J.A., Alfaro, M.C., and Bathurst, R.J. 2005. Evaluation of sandbag dike performance using a full-scale test facility. 58th Canadian Geotechnical Conference, Saskatoon, Saskatchewan, Vol. 2, 136-142.

27. Abdulrazaq, W., Kim, C-S, Alfaro, M.C. and Blatz, J.A. 2005. Shear mobilization of rockfill column materials for riverbank stabilization. 58th Canadian Geotechnical Conference, Saskatoon, Saskatchewan, Vol. 2, pp. 41-47.

26. Siemens, G.A. and Blatz, J.A. 2005. Soil suction measurement using the Xeritron Sensor in two different types of infiltration tests on a swelling soil. Advanced Experimental Unsaturated Soil Mechanics EXPERUS 2005, Trento, Italy. Balkema Publishing, pp. 23-27.

25. Blatz, J.A. and Britton, M.G. 2005. Providing 24x7 Access to Engineering Design Lectures Using a Tablet PC and Silicon Chalk. 2nd CDEN International Conference on Design Education, Innovation, and Practice. Kananaskis, Alberta, Canada, July 18-20.

24. Blatz, J.A., Alfaro, M.C., and Ferreira, N.J. 2004. Modeling rainfall induced slope instability. 15th South-East Asian Geotechnical Conference. Bangkok, Thailand, pp. 325-331.

23. Blatz, J.A. 2004. The Role of Historic Failures in State of the Art Design. 1st Young Canadian Geotechnical Engineers and Geoscientists Conference, Quebec City, Quebec. October 2004.

22. Siemens, G.A., Blatz, J.A., Kjartanson, B. and Priyanto, D.G. 2004. Numerical modeling of unsaturated compacted bentonite buffer subjected to undrained loading in a deep geological environment. 57th Canadian Geotechnical Conference, Quebec City, Quebec, pp. 6F, 1-8.

21. Krahn, T., Blatz, J.A., Bathurst, R.J. and Alfaro, M.C. 2004. Examination of sandbag dike material interfaces using a large-scale direct shear apparatus. 57th Canadian Geotechnical Conference, Quebec City, Quebec, pp. 1E, 30-35.

20. Anderson, D.E.S., Kenyon, R.M., Blatz, J.A. and Smith, J.B. 2004. Numerical modeling of the 1962 PFRA Floodway test excavation. 57th Canadian Geotechnical Conference, Quebec City, Quebec, pp. 5F, 40-46.

19. Priyanto, D.G., Siemens, G.A., Blatz, J.A. and Graham, J. 2004. Comparison of three constitutive models for predicting the behaviour of unsaturated high plastic clay. 57th Canadian Geotechnical Conference, Quebec City, Quebec, pp 6E, 9-16.

18. Blatz, J.A. and Skaftfeld, K. 2003. The Transcona Grain Elevator Failure: A Modern Perspective 90 Years Later. 56th Canadian Geotechnical Conference, Winnipeg, Manitoba, pp. 228-235.

17. Graham, J., Alfaro, M.C. and Blatz, J.A. 2003. Environmental processes, groundwater and slope instability. 12th Panamerican Conference on Soil Mechanics and Geotechnical Engineering. Boston, MA., pp. 2451-2458.

16. Anderson, D.E.S., Blatz, J.A., Graham, J. and Chandler, N. 2002. Yielding behaviour of unsaturated compacted bentonite. 55th Canadian Geotechnical Conference, Niagara Falls, Ontario, pp. 1255-1260.

15. Tutkaluk, J.M., Blatz, J.A., Graham, J. and Wingrove, T. 2002. A generic study of the influence of a confined aquifer on slope stability in lacustrine clay slopes. 55th Canadian Geotechnical Conference, Niagara Falls, Ontario, pp. 1185-1190.

14. Hatami, K., Blatz, J.A. and Bathurst, R.J. 2002. Numerical modeling of geosynthetic reinforced retaining walls and embankments. 2nd Canadian Specialty Conference on Computers in Geotechnique. Winnipeg, Manitoba, pp. 222-231.

13. Siemens, G.A., Ferreira, N.J., Blatz, J.A. and Graham, J. 2002. Digital imaging and the internet: using current technologies to connect the field to the office. 2nd Canadian Specialty Conference on Computers in Geotechnique. Winnipeg, Manitoba, pp. 134-141.

12. Alfaro, M.C., Blatz, J.A. and Graham, J. 2002. Prestressing effects of geosynthetic-reinforced embankments over discontinuous permafrost. 2nd Canadian Specialty Conference on Computers in Geotechnique. Winnipeg, Manitoba, pp. 333-341.

11. Blatz, J.A., Graham, J., Alfaro, M.C. and Chandler, N. 2001. Understanding unsaturated plastic clays requires reliable methods of suction measurement and control. 6th International Conference on Key Issues in Waste Isolation Research, Paris, France. November 2002.

10. Ferreira, N.J., Blatz, J.A., Graham, J. and Kenyon, R.M. 2001. Examination of instability in an unsaturated highway cut. 54th Canadian Geotechnical Conference, Calgary, Alberta.

9. Blatz, J.A. and Bathurst, R.J. 2001. Behaviour of full-scale reinforced embankment loaded to failure by a strip footing near the crest. 54th Canadian Geotechnical Conference, Calgary, Alberta.

8. Graham, J., Blatz, J.A., Alfaro, M.A. and Sivakumar, V. 2001. Behavioural influence of specimen preparation techniques for unsaturated platic compacted clays. ISSMGE XVth International Conference, Istanbul, Turkey, August 2001.

7. Blatz, J.A. 2000. Elastic-plastic modeling of unsaturated soil. 1st International Young Geotechnical Engineers Conference, Southampton, United Kingdom. September 8 – 13

6. Blatz, J.A., and Kennedy, P.L., 2000. A generic study of the impact of groundwater flow assumptions on slope stability. 53rd Canadian Geotechnical Conference, Montreal, Quebec. October 2000.

5. Blatz, J.A., Tang, G.X., Graham, J. and Wan, A. 1999. Psychrometer techniques for measuring suction in the triaxial test. 52nd Canadian Geotechnical Conference, Regina, Saskatchewan, pp. 237-245.

4. Smith, J.B., Kenyon, R.M., Hurlen, L., Weeks, B. and Blatz, J.A. 1999. Controlling the movement of leachate away from a woodwaste landfill. 52nd Canadian Geotechnical Conference, Regina, Saskatchewan, pp. 661-668.

3. Graham, J., Tang, G.X., Blatz, J.A., Rajapakse, R.K.N.D. and Chandler, N. 1999. Elastic-plastic behaviour of an unsaturated sand-bentonite mixture. XI Pan American Conference on Soil Mechanics and Geotechnical Engineering, Foz do Iguacu, Brazil, Vol. 2, pp. 907-912.

2. Tang, G.X., Blatz, J.A. and Graham, J. 1998. Volume changes in unsaturated sand-bentonite caused by suction-controlled drying and wetting. 51st Canadian Geotechnical Conference, Edmonton, Alberta, pp. 95-100.

1. Tang, G.X., Graham, J., Blatz, J.A, Rajapakse, R.K.N.D. and Gray, M. 1998. Suction characteristics of unsaturated sand-bentonite. 5th International Conference on Key Issues in Waste Isolation Research, Barcelona, Spain

Current Students