Department of Civil Engineering » University of Toronto

Theses

Grasselli G., 2001, Shear Strength of Rock Joints Based on Quantified Surface Description, Ph.D. dissertation, advisors Prof. Descoeudres F. & Prof. Egger P., Ecole Polytechnique Fédérale de Lausanne, Switzerland.

Grasselli G., 1995, Mechanical Behavior of Fractured Rock Masses Reinforced by Passive Bolts, M.Sc. dissertation, advisors Prof. Giani G. P. & Prof. Egger P., Università degli Studi di Parma, Italy. (in Italian)

Journal papers

Grasselli G., 2006, Manuel Rocha Medal Recipient. Shear Strength of Rock Joints Based on Quantified Surface Description, Rock Mechanics and Rock Engineering, 39/4, pp. 295-314.
Grasselli G., Boutt D. F., Fredrich J. T., Cook B. K., Williams J. R., 2006, Experimental and numerical study of colloid transport in a single fracture, Geophysical Research Letters (in press).

Grasselli G., 2005,3D Behaviour of Bolted Rock Joints: Experimental and Numerical Study, International Journal of Rock Mechanics and Mining Sciences, 42/1, pp. 13-24.

Grasselli G., Egger P., 2003, Constitutive Law for Shear Strength of Rock Joints Based on Quantitative 3-Dimensional Surface Parameters, International Journal of Rock Mechanics and Mining Sciences, 40/1, pp. 25-40.

Grasselli G., Wirth J., Egger P., 2002, Quantitative three-dimensional description of a rough surface and parameter evolution with shearing, International Journal of Rock Mechanics and Mining Sciences, 36/6, pp. 789-800.
Kim B. H., Kaiser P. K., Grasselli G., 2006, Influence of persistence on behaviour of fractured rock masses, submitted to the Journal of the Geological Society
Grasselli G., Fredrich J. T., 2006, Direct measurement of fracture aperture and its variation as function of normal stress using Laser Scanning Confocal Microscopy, to be submitted to the International Journal of Rock Mechanics and Mining Sciences

Conference papers

Grasselli G., Boutt D. F., Fredrich J. T., 2005, Experimental and numerical study of colloid transport in a single fracture, in Proc. IACMAG 2005 Conference, Turin, Italy.

Grasselli G., 2004, Rocha Medal Lecture: Shear Strength of Rock Joints Based on Quantified Surface Description, in Proc. 3^rd Arms 2004 Conference, Kyoto, Japan, pp. 87-99

Grasselli G., Fredrich J. T., 2004, Direct measurement of flow in fractures, in Proc. Eurock 2004 Conference, Salzburg, Austria.

Grasselli G., Wirth J., Zimmerman R. W., 2003, Surface Parameters for Quantifying the Hydro-Mechanical Anisotropy of Rock Discontinuities, in Proc. ISRM 10th International Conference on Rock Mechanics, Gauteng-Johannesburg, South Africa.

Grasselli G., Wirth J., Zimmerman R. W., 2002, Functional Parameters for Quantifying the Surface Anisotropy of Rock Discontinuities, in Proc. Eurock 2002 Conference, Funchal, Madeira Island, Portugal, pp. 715-721.

Grasselli G., Egger P., Wirth J., Hopkins D., 2001, Characterization of the Parameters that Govern the Peak Shear Strength of Rock Joint, in Proc. of DCRocks 2001, Washington DC, USA, pp. 817-821.

Grasselli G., Egger P., 2000, Shear Strength Equation for Rock Joints, Based on 3D Surface Characterization, in Proc. GeoEng2000, ed. Ervin, Melbourne, Australia, p 88 (complete paper on CD)

Grasselli, G., Egger P., 2000, 3D Surface Characterization for the Prediction of the Shear Strength of Rough Joint, in Proc. Eurock 2000, ed. Wittke, Aachen, Germany, pp. 281-286.

Grasselli G., Kharchafi M., Egger, P., 1999, Experimental and Numerical Comparison Between Fully Grouted and Frictional Bolts, in Proc. 9th Int. Cong. on Rock Mechanics, ed. Vouille & Berest, Paris, France, pp. 903-907.

Kharchafi M., Grasselli G., Egger, P., 1998, 3D Behaviour of Bolted Rock Joints: Experimental and Numerical Study, in Mechanics of jointed and faulted rock, ed. Rossmanith, Vienna, Austria, pp. 299-304.

Extended abstracts

Grasselli G., Boutt D., Fredrich, J. T., 2005, Colloid traps: Microscale modeling of solid transport through a single rock fracture, in Proc. AGU Fall Meeting, 5-9 December 2005, San Francisco, USA.

B. H. Kim, Grasselli G., 2005, Influence of Rock Bridges on Shear Behaviour of Fractured Rock Masses, , to be published in Proc. EURO-Conference on Rock Physics and Geomechanics, Micromechanics, 18 - 22 September 2005, Ile d’Oléron, France

Grasselli G., Saito H., 2003, Multi-scale Characterization of Rock Fracture Surfaces Using Roughness Analysis and Geostatistics, in Proc. AGU meeting, 8-12 December 2003, San Francisco, USA.

Grasselli G., Zimmerman R. W., 2003, Influence of Roughness on the Hydro-Mechanical Behaviour of Rock Discontinuities, in Proc. EURO-Conference on Rock Physics and Geomechanics, Micromechanics, Flow and Chemical Reactions, 7-11 September 2003, Kijkduin, The Netherlands

Grasselli G., 2002, A New Peak Shear Strength Criterion for Rock Joints, in Proc. W(H)YDOC 02, 4-6 December 2002, Paris, France.

Grasselli G., 2002, Geometrical Characterization of Damaged Areas on Sheared Rock Fractures, in Proc. IARG2002, 19-21 June 2002, Napoli, Italy (in Italian)

Grasselli G., Egger P., 2000, Three-Dimensional Optical Measurement and Characterization of Rough Surfaces, in GSA meeting, Reno, USA.

Software

Wirth J., Grasselli G., Rock3CAD, 2002. (it is currently been refined to allow development of user friendly version)