Gabriel Walton

Assistant Professor, Geology and Geological Engineering

Gabriel Walton


Ph.D. in Geomechanics, Department of Geological Sciences and Geological Engineering, Queen’s University, 2014

B.A.Sc. in Geological Engineering, Department of Geological Sciences and Geological Engineering, Queen’s University, 2011


Research Interests

  • Rock Mechanics
  • Numerical modelling of slopes and underground works
  • Rockmass characterization
  • Applications of geophysics and remote sensing in Geological Engineering


Recent Journal Publications

Walton, G. 2017. Scale effects observed in compression testing of stanstead granite including post-peak strength and dilatancy. Geotechnical and Geological Engineering, 1-21. DOI: 10.1007/s10706-017-0377-7

Walton, G., Hedayat, A., Kim, E., and Labrie, D. 2017. Post-yield strength and dilatancy evolution across the brittle-ductile transition in Indiana Limestone. Rock Mechanics and Rock Engineering, 50(7), 1691-1710. DOI: 10.1007/s00603-017-1195-1

Quinones, J., Arzua, J., Alejano, L.R., Garcia-Bastante, F., Mas Ivars, D., and Walton, G. 2017 Analysis of size effects on the geomechanical parameters of intact granite samples under unconfined conditions. Acta Geotechnica, 12(6), 1229-1242. DOI: 10.1007/s11440-017-0531-7

Hedayat, A. and Walton, G. 2017. Laboratory determination of rock fracture shear stiffness using seismic wave propagation and digital image correlation. Geotechnical Testing Journal, 40(1), 92-106. DOI: 10.1520/GTJ20160035

Walton, G., Mills, G., Fotopoulos, G., Radovanovic, R., and Stancliffe, R.P.W. 2016. An approach for automated lithological classification of point clouds. Geosphere, 12(6), 1833-1841. DOI: 10.1130/GES01326.1

Walton, G., Diederichs, M.S., Punkkinen, A., Whitmore, J. 2016. Back analysis of a pillar monitoring experiment at 2.4 km depth in the Sudbury Basin, Canada. International Journal of Rock Mechanics and Mining Sciences. DOI: 10.1016/j.ijrmms.2016.03.001

Walton, G., Diederichs, M.S., Punkkinen, A. 2015. The Influence of constitutive model selection on predicted stresses and yield in deep mine pillars – A case study at the Creighton mine, Sudbury, Canada. Geomechanics and Tunnelling. DOI: 10.1002/geot.201500023

Walton, G., Lato, M., Anschutz, H., Perras, M.A., Diederichs, M.S. 2015. Non-invasive detection of fracture, fracture zones, and rock damage in a hard rock excavation – Experience from the Aspo Hard Rock Laboratory in Sweden. Engineering Geology. DOI: 10.1002/geot.201500023

Walton, G. & Diederichs, M.S. 2015. A mine shaft case study on the accurate prediction of yield and displacements in stressed ground using lab-derived material properties. Tunnelling and Underground Space Technology. DOI: 10.1016/j.tust.2015.04.010

Walton, G. & Diederichs, M.S. 2015. A new model for the dilation of brittle rocks based on laboratory compression test data with separate treatment of dilatancy mobilization and decay. Geotechnical and Geological Engineering. DOI :10.1007/s10706-015-9849-9

Walton, G. & Diederichs, M.S. 2015. Dilation and post-peak behaviour inputs for practical engineering analysis. Geotechnical and Geological Engineering. DOI 10.1007/s10706-014-9816-x

Walton, G. Diederichs, M.S., Alejano, L.R., & Arzua, J. 2014. Verification of a lab-based dilation model for in-situ conditions using continuum models. J. Rock Mech. and Geotech. Eng. DOI 10.1016/j.jrmge.2014.09.004

Walton, G., Arzua, J., Alejano, L.R., Diederichs, M.S. 2014. A laboratory-testing based study on the strength, deformability, and dilatancy of carbonate rocks at low confinement. Rock Mech. And Rock Eng. DOI 10.1007/s00603-014-0631-8

Walton, G., Delaloye, D., Diederichs, M.S. 2014. Development of an Elliptical Fitting Algorithm for Tunnel Deformation Monitoring with Static Terrestrial LiDAR Scanning. Tunn. and Underground Space Tech, 43, 336-349. DOI 10.1016/j.tust.2014.05.014

Arzua, J., Alejano, L., Walton, G. 2014. Strength and dilation on jointed granitic samples during servo-controlled triaxial tests – a potential analogue for rock masses at the lab scale. Int. J. of Rock Mech. and Min. Sci., 69, 93-104. DOI: 10.1016/j.ijrmms.2014.04.001

Delaloye, D., Diederichs, M.S., Walton, G., Hutchinson, J. 2014. Sensitivity Testing of a Newly Developed Elliptical Fitting Method for the Measurement of Convergence in Tunnels and Shafts. Rock Mech. and Rock Eng. DOI 10.1007/s00603-014-0566-0

Contact Information

Office: BE 311A
Phone: 303-384-2235
Fax: 303-273-3859