Estimation of geological structure around underground tunnel based on cross-correlation analyses of random continuous signals from small scale core drilling

Author:

Soma Nobukazu1,Oikawa Yasuki1,Hirano Toru23,Matsui Hiroya2,Asanuma Hiroshi4

Affiliation:

1. National Institute of Advanced Industrial Science and Technology

2. Japan Atomic Energy Agency

3. Present affiliation : Nishimatsu Construction Co., Ltd.

4. Graduate School of Environmental Studies, Tohoku University

Publisher

Society of Exploration Geophysicists of Japan

Subject

General Engineering

Reference6 articles.

1. Asanuma, H., Liu, H., Niitsuma, H. and Baria, R.(2000): Discrimination of polarization of reflected waves in the triaxial drill-bit VSP and imaging of subsurface structure at Soultz, France, SEG 2000 Annual Mtg., CD-ROM.

2. Asanuma, H., Niitsuma, H. and Chubachi, N.(1990): An analysis of three dimensional AE lissajou pattern during well-drilling and estimation of source direction, in Yamaguchi, K., Takahashi, H. and Niitsuma, H. eds., Progress in Acoustic Emission-5, Jap. Soc. Non-Destruct. Insp., 436-443.

3. Carter, G., C. (1987): Coherence and time delay estimation, Proc. IEEE, 75-2, 236-255.

4. Curtis, A., Gerstoft, P., Sato, H., Snieder, R., and Wapenaar, K. (2006): Seismic interferometry turning noise into signal, The Leading Edge, 25, 1082-1092.

5. Rector III, J. W. and Marion, B. P. (1991): The use of drill-bit energy as a downhole seismic source, Geophysics, 56, 628-634.

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