References

Auken, E. and A.V. Christiansen, 2004. Layered and laterally constrained 2D inversion of resistivity data. Geophys., 69: 752-761.
CrossRef  |  Direct Link  |  

Barker, R.D., 1981. The offset system of electrical resistivity sounding and its use with a multicore cable. Geophys. Prospect., 29: 128-143.
CrossRef  |  Direct Link  |  

Barker, R.D., 1989. Depth of investigation of collinear symmetrical four-electrode arrays. Geophysics, 54: 1031-1037.
CrossRef  |  Direct Link  |  

Barton, N.R., R. Lien and J. Lunde, 1974. Engineering classification of rock masses for the design of tunnel suppor`t. Rock Mech. Rock Eng, 6: 189-236.
CrossRef  |  

Binley, A. and A. Kemna, 2005. DC Resistivity and Induced Polarization Methods. In: Hydrogeophysics, Rubin, Y. and S.S. Hubbard (Eds.). Springer, Berlin, Germany, ISBN:978-1-4020-3101-4, pp: 129-156.

Cavinato, G.P., D.E. Luzio, M. Moscatelli, R. Vallone and M. Averardi et al., 2006. The new Col di Tenda tunnel between Italy and France: Integrated geological investigations and geophysical prospections for preliminary studies on the Italian side. Eng. Geol., 88: 90-109.
Direct Link  |  

Dahlin, T., L. Bjelm and C. Svensson, 1999. Use of electrical imaging in site investigations for a railway tunnel through the Hallandsas Horst, Sweden. Q. J. Eng. Geol. Hydrogeol., 32: 163-172.
CrossRef  |  Direct Link  |  

Farquharson, C.G. and D.W. Oldenburg, 1998. Non-linear inversion using general measures of data misfit and model structure. Geophys. J. Intl., 134: 213-227.
Direct Link  |  

Farquharson, C.G. and D.W. Oldenburg, 2004. A comparison of automatic techniques for estimating the regularization parameter in non-linear inverse problems. Geophys. J. Intl., 156: 411-425.
Direct Link  |  

Ganerod, G.V., J.S. Ronning, E. Dalsegg, H. Elvebakk and K. Holmoy et al., 2006. Comparison of geophysical methods for sub-surface mapping of faults and fracture zones in a section of the Viggja road tunnel, Norway. Bull. Eng. Geol. Environ., 65: 231-243.
CrossRef  |  Direct Link  |  

ISRM, 1981. Rock Characterization, Testing and Monitoring. In: Suggested Methods, Brow, E.T. (Ed.). Pergamon Press, Oxford, UK., pp: 211.

Inman, J., 1975. Resistivity inversion with ridge regression. Geophysics, 40: 798-817.
CrossRef  |  Direct Link  |  

Loke, M.H., 2015. Tutorial: 2-D and 3-D Electrical Imaging Surveys. University of Alberta, Edmonton, Alberta, Pages: 136.

Parasins, D.S., 1997. Principles of Applied Geophysics. 5th Edn., Chapman and Hall, New York.

Roy, A. and A. Apparao, 1971. Depth of investigation in direct current methods. Geophys., 36: 943-959.
CrossRef  |  Direct Link  |  

Rucker, D.F. and G.E. Noonan, 2013. Using marine resistivity to map geotechnical properties: A case study in support of dredging the panama canal. Near Surf. Geophys., 11: 625-637.
CrossRef  |  Direct Link  |  

Szalai, S. and L. Szarka, 2008. On the classification of surface geoelectric arrays. Geophys. Prospect., 56: 159-175.
Direct Link  |  

Takahashi, T., T. Takeuchi and K. Sassa, 2006. ISRM suggested methods for borehole geophysics in rock engineering. Intl. J. Rock Mech. Min. Sci., 43: 337-368.
Direct Link  |  

Whittaker, B.N. and R.C. Frith, 1990. Tunnelling: Design, Stability and Construction. National Academy of Sciences, Washington, USA.,.