Geological Science and Engineering

Geological Sciences and Geological Engineering
Geological Sciences and Geological Engineering

Gabriel Walton

Ph.D. Geological Engineering

Office:  Miller 218
Email:          7ggw@queensu.ca
Thesis Topic: Understanding the post-yield deformation and dilation of rocks and rockmasses in excavations
Supervisor:  Dr. Mark Deiderichs

Research Interests

Geomechanics, numerical methods, geophysics, engineering design, teaching methods for post-secondary education

Brief Biography

Gabriel graduated from Geological Engineering with a specialization in Applied Geophysics from Queen’s University in 2011, and has since returned to pursue research in the field of geomechanics. In addition to research, Gabriel is also passionate about undergraduate teaching (particularly in the field of geophysics).

Publications

Journal Articles – Submitted

Arzua, J., Alejano, L., Walton, G. 2013. Strength and dilation on jointed granitic samples during servo-controlled triaxial tests – a potential analogue for rock masses at the lab scale. International Journal of Rock Mechanics and Rock Engineering.

Delaloye, D., Walton, G., Diederichs, M.S., Hutchinson, J. 2012. Development of an Elliptical Fitting Algorithm for Tunnel Deformation Monitoring with Static Terrestrial LiDAR Scanning. Tunelling and Underground Space Technology.

Delaloye, D., Walton, G., Diederichs, M.S., Hutchinson, J. 2012. Sensitivity Testing of a Newly Developed Elliptical Fitting Method for the Measurement of Convergence in Tunnels and Shafts. Rock Mechanics and Rock Engineering.

Journal Articles – In Preparation

Walton, G., Diederichs, M.S. 2013. Dilation and post-peak behaviour in plasticity models for tunnelling applications.

Walton, G., Diederichs, M.S. 2013. Numerical modelling of the dilation of continuum shearing rockmasses for tunnelling applications.

Walton, G., Lato, M., Anchutz, H., Perras, M.A., & Diederichs, M.S. 2013.

Geophysical detection of fractures, fractures zones, and rock damage in a hard rock excavation – experience from the Äspö Hard Rock Laboratory in Sweden.

Walton, G., Diederichs, M.S., Alejano, L.R., & Arzua, J. 2013. Brittle rock dilation in plasticity models – what can we learn from lab tests?

Refereed Conference Papers – Published

Walton, G. & Diederichs, M.S. 2013. The Practical Modelling of Dilation in Excavations with a Focus on Continuum Shearing Behaviour. World Tunnel Congress 2013. Geneva, Switzerland.

Day, J., Walton, G., Diederichs, M.S., & Hutchinson, J. 2012. The Influence of Rockmass Structure on Strength at Depth. Tunnelling Association of Canada Conference 2012. Montreal.

Crockford, A., Walton, G., & Diederichs, M.S. 2012. Investigation of Bolt Model Mechanics Related to Shear Reinforcement and Tunnel and Cavern Design. Tunnelling Association of Canada Conference 2012. Montreal.

Walton, G., & Diederichs, M.S. 2012. Modelling dilation of brittle rockmasses: approaches, issues, and next steps. 46th U.S. Rock Mechanics / Geomechanics Symposium, Chicago. Paper 413.

Walton, G., & Diederichs, M.S. 2012. Comparison of practical modelling methodologies for considering strain weakening and dilation as part of geomechanical analysis. RockEng 2012 Symposium, Edmonton. 495-505.

Presentations (non-refereed)

Walton, G., & Diederichs, M.S. 2013. Rock dilation: the key to accurately predicting excavation deformation. Advances in Earth Sciences Research Conference, London, Ontario.

Walton, G., & Diederichs, M.S. 2012. Dilation of yielding rock and rockmasses. Oral presentation. Center for Excellence in Mining Innovation Student Day, Sudbury, Ontario.

Walton, G., & Diederichs, M.S. 2012. Mobilization of dilation angle around excavations. Poster. NWMO Annual Geoscience Seminar, Collingwood, Ontario. Walton, G. 2012. Simulated geology in MATLAB. Oral presentation. Advances in Earth Sciences Research Conference, Kingston, Ontario.

 


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