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

Berthoud Hall 311A
Fax: 303-273-3859