Proceedings of International Workshop
"Application of Geophysics to Rock Engineering"

Topic 1: Characterization of Rock by Use of Geophysical Methods

"Effects of Small Scale Geologic Structure on Azimuthal Velocities"

Catherin T. Aimone-Martin and Meredith Ness

(New Mexico Institute of Mining and Technology, U.S.A.)

"Velocity Dispersion and Attenuation Over a Wide Frequency Range in Near-surface Sedimentary Rocks at the Whitchester Seismic Test Site"

J.P. Neep, M.S. Sams, M.H. Worthington and M.S. King

(Dept. of Earth Resources Eng. Royal School of Mines Imperial College, U.K.)

"High Resolution Seismic Refraction Survey Using Surface and Borehole fo r Site Characterization of Rocks"

Koichi Hayashi and Toru Takahashi

(OYO Corporation, JAPAN)

"Characterization of Rock Permeability by Combined Use of Hydro-Pulse To mography and Resistivity Tomography"

Hiromasa Shima, Kazumasa Itoh and Yasunori Otsuka

(OYO Corporation, JAPAN)

"Some New Techniques to Improve the Accuracy of Seismic Tomography for Rock Characterization"

T. Watanabe, K. Fujimoto, T. Hirai, S. Uesaka and K. Sassa

(Dept. of Earth Resources Eng. Faculty of Eng. Kyoto Univ., JAPAN)

"Application of Borehole Logging, Core Imaging and Tomography to Geotechnical Exploration"

R. Schepers, G. Rafat, C. Gelbke and B. Lehmann

(DMT-Institute of Deposits, Surveying and Applied Geophysics, GERMANY)

"Identifying Fractured Zone Using High Density Electrical Prospecting"

Koji Ishikawa and Feng Shaokong

(Chuo Kaihatsu Corporation, JAPAN)

"Laboratory Characterization of Fractures in Rock"

Laura J. Pyrak-Nolte

(Dept. of Physics, Purdue Univ., U.S.A.)

"Seismic Characterization of Fracturing at the Aspo Hard Rock Laboratory, from the Kilometer scale to the Meter Scale"

Calin Cosma*, Olle Olsson,**, Jukka Keskinen and Pekka Heikkinen*

(*Vibrometric OY, FINLAND, **Swedish Nuclear Fuel and Waste Management Co., Sweden)

Topic 2: Geophysical Survey Ahead and Around a Tunnel and a Borehole

"An Approach to Fracture Prediction from Tunnel Surface by Transient Electromagnetic Method"

Kazushige Wada*, Tadashi Tsutsui*, Akira Saito*, Takashi Ohya* and Toshiaki Hara**

(* Mitsui Mineral Development Engineering Co. Ltd., ** Toda Corporation, JAPAN)

"Looking Ahead of Tunnel by Use of Equi-travel Time Planes"

Yuzuru Ashida*, Toru Hirano** and Tsutomu Inaba**

(* Dept. of Earth Resources Eng. Faculty of Eng. Kyoto Univ., **Nishimatsu Construction Co. Ltd., JAPAN)

"An Analysis of the Application of VSP to the Exploration Ahead a Tunnel"

E. Bruckl*, W. Chwatal*, J. Dolzlmuller** and W. Jobstl***

(*Technical Univ. of Vienna, **Tauernplan GmbH, ***ILF, AUSTRIA)

"VSP in Crystalline Rocks - From Downhole Velocity Profiling to 3-D Fracture Mapping"

Pekka Heikkinen and Calin Cosma

(Vibrometric OY, FINLAND)

"Site Investigation and Characterization Using Reverse VSP Combined with Cross Well Seismic Imaging"

Bjorn N.P. Paulsson and John W. Fairbone

(Paulsson Geophysical Services Inc., U.S.A.)