Bimrock Publications

Medley, E.  and Zekkos, D.  (2011): Geopractitioner Approaches to Working With Antisocial Mélanges,  in ed. Wakabayashi, J. and Y. Dilek, Special Publication 480- Mélanges: Processes of Formation and Societal Significance, Geological Society of America, Boulder, CO, pp. 263-279.

“A Conceptual Empirical Approach for the Overall Strength of Unwelded Bimrocks”, in Proc. “Rock Engineering in Difficult Ground Conditions, Karst and Soft Rock’, Int. Soc. Rock Mechanics Regional Symposium, Dubrovnik, Croatia, 29-31 October, 2009 (with H. Sonmez, K.  Kasapoglu,, C Coskun, C. Tunusluoglu and R. Zimmerman.

“Engineering the Geological Chaos of Franciscan and Other Bimrocks”, Paper 08-316, Proc. of the American Rock Mechanics Association Conference, San Francisco, California June 29 – July 2, 2008.

Bimrocks – Part 2: Case Histories and Practical Guidelines”, Newsletter of the Hellenic Society of Soil Mechanics and Geotechnical Engineering, Athens, Greece, April 2007, pp. 26-31.

Bimrocks – Part 1: Introduction”, Newsletter of the Hellenic Society of Soil Mechanics and Geotechnical Engineering, Athens, Greece, February 2007, pp. 17-21.

“Considerations in Developing an Empirical Strength Criterion for Bimrocks”, Proceedings Session T3-A Rock Properties, 4th Asian Rock Mechanics Symposium and ISRM International Symposium 2006, Nov. 6-10, 2006, Singapore (with H. Sonmez, H. Altinsoy, and C. Gokceoglu).

“Estimating the Uniaxial Compressive Strength of a Volcanic Bimrock”, International Journal of Rock Mechanics & Mining Sciences, vol. 43 (2006) 554–561 with H. Sonmez, C. Gokceoglu, E. Tuncay, and H.A. Nefeslioglu).

“Characterization of Bimrocks (Rock/Soil Mixtures) with Application to Slope Stability Problems,” Proceedings of Eurock 2004 and 53rd Geomechanics Colloquium, Salzburg, Austria, October 2004 (with P. Sanz Rehermann).

“Engineering Geological Classification of Fault Rocks”, Poster at Eurock 2004 and 53rd Geomechanics Colloquium, Salzburg, Austria, October 2004 (with G. Riedmueller, F. Brosch, and K. Klima).

“Observations on Tortuous Failure Surfaces,” Felsbau Rock and Soil Engineering-Journal for Engineering Geology, Geomechanics and Tunneling, vol. 22, No. 5, September 2004.

“Relationships Between Volumetric Block Proportions and Overall UCS of a Volcanic Bimrock”, Felsbau Rock and Soil Engineering-Journal for Engineering Geology, Geomechanics and Tunneling, vol. 22, No. 5, September 2004 (with H. Sönmez, C. Geokceoglu, E. Tuncay, and H. Nefeslioglu).

“Geological Characterization of Melanges for Practitioners,” Felsbau Rock and Soil Engineering-Journal for Engineering Geology, Geomechanics and Tunneling, vol. 22, No. 5, September 2004, (with J. Wakabayashi).

Editorial Introduction to theme “Design and Construction Issues of Bimrocks (Rock/Soil Mixtures)”, Felsbau Rock and Soil Engineering-Journal for Engineering Geology, Geomechanics and Tunneling, vol. 22, No. 5, September 2004.

“Tunneling in Tectonic Melanges – accommodating the Impacts of Geomechanical Complexities and Anisotropic Rock Mass Fabrics,” Bulletin of Engineering Geology and the Environment, March 2004 (with E. Button, G. Riedmueller, W. Schubert, and K. Klima).

“Shear Strength of Franciscan Complex Mélange as Calculated from Back-Analysis of a Landslide,” Proceedings 5th International Conference on Case Histories in Geotechnical Engineering, New York, NY, April 2004 (with C. Kim and C. Snell).

“Estimating Block Size Distributions of Melanges and Similar Block-in-Matrix Rocks (Bimrocks),” Proceedings, 5th North American Rock Mechanics Symposium, University of Toronto, Toronto, Canada, July 2002, pp. 599–606.

“Fundamental Concepts to Consider When Characterizing Melanges and Other Bimrocks,” AEG-ASCE Short Course:  Tunnels Through Fault Rocks and Tectonic Melanges, Assoc.  Eng. Geologists and Am. Soc. of Civil Engineers, Oakland, California, June 1, 2002 (with E.L. Mathieson).

“Characterization of Melanges and Other Chaotic Soil/Rock Mixtures,” in:  “Engineering Geology Practice in Northern California”, H. Ferriz and R Anderson (eds.), California Division of Mines and Geology Special Publication 210/Assoc. Eng. Geologists Special Publication 12, 2001, pp. 107–122.

“Discussion,” Journal of Geotechnical and Geoenvironmental Engineering, Vol. 126, pp. 901–902, October 2001; (Discussion of “Evaluating Safety of Concrete Gravity Dam on Weak Rock:  Scott Dam,” Journal of Geotechnical and Geoenvironmental Engineering, Vol. 126, No. 5, May 2001).

“Engineering Geological Characterization of Brittle Faults and Classification of Fault Rocks,” Felsbau Rock and Soil Engineering-Journal for Engineering Geology, Geomechanics and Tunneling, Vol. 19, No. 4, pp. 13-18, July 2001 (with G. Riedmüller, F.J. Brosch, and K. Klima).

“Orderly Characterization of Chaotic Franciscan Melanges,” Felsbau Rock and Soil Engineering-Journal for Engineering Geology, Geomechanics and Tunneling, Vol. 19, No. 4, pp. 20-33, July 2001.

“Systematic Characterization of Melange Bimrocks and Other Chaotic Soil/Rock Mixtures,” Felsbau Rock and Soil Engineering-Journal for Engineering Geology, Geomechanics and Tunneling, Vol. 17, No. 3, pp. 152–162, May 1999.

“Confronting Geological Complexity:  Working with Melange Bimrocks,” Proceedings, Eighth International Congress, International Association for Engineering Geology and the Environment, Vol. 1, pp. 227–233, Vancouver, Canada, September 1998.

“Order in Chaos:  The Geotechnical Characterization of Melange Bimrocks,” Proceedings, 1st International Conference on Site Characterization, Atlanta, GA, April 1998.

“Uncertainty in Estimates of Block Volumetric Proportion in Melange Bimrocks,” Proceedings, International Association of Engineering Geologists, Athens, Greece, June 23–27, 1997.

“The Engineering Significance of the Apparent Scale-Independence of Some Melanges of the Franciscan Complex, California,” Proceedings, 35th U.S. Rock Mechanics Conference, Lake Tahoe, California, June 1995 (with E.S. Lindquist).

“Using Stereological Methods to Estimate the Block Volumetric Proportions of Melanges and Other Block-in-Matrix Rocks (Bimrocks),” Proceedings, 7th Congressional International Association of Engineering Geologists, Lisbon, Portugal, September 1994.

The Engineering Characterization of Melanges and Similar Block-in-Matrix Rocks (Bimrocks)”, Ph.D. Dissertation, University of California, Berkeley, CA, 1994.

“Estimating the Block Volumetric Proportion of Melanges and Similar Block-in-Matrix Rocks (Bimrocks),” Proceedings, 1st North American Rock Mechanics Symposium, Austin, TX, May 1994 (with R.E. Goodman).