Overbreak and underbreak in underground openings Part 1: Measurement using the light sectioning method and digital image processing

Geotechnical and Geological Engineering

Volumn 14, Issue 4, 1996, Pages 307-323

  Maerz, N H ^a   Ibarra, J A ^b   Franklin, J A ^c  

^a NH Geo Consulting Limited   (Canada)

^b Excavaciones Soporte Y Tecnologia   (Mexico)

^c UNIVERSITY OF WATERLOO   (Canada)

Author keywords

Blasting assessment; Digital image processing; Overbreak; Tunnel profiling; Tunnelling; Underbreak

Indexed keywords

BLASTING; DIGITAL SIGNAL PROCESSING; IMAGE PROCESSING; ROCK DRILLING; ROCK MECHANICS;

BLASTING ASSESSMENT; LIGHT SECTIONING METHOD (LSM); OVERBREAK; TUNNEL PROFILING; UNDERBREAK;

TUNNELING (EXCAVATION);

BLASTING; IMAGE PROCESSING; LIGHT SECTIONING METHOD; OVERBREAK; TUNNELLING; UNDERBREAK;

EID: 0030428797     PISSN: 09603182     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF00421946     Document Type: Article

References (24)

1. Bjarnholt, G., Holloway, D.C., Wilson, W.H. and Maki, K. (1988) Smooth Wall Blasting Using Notched Boreholes - a Field Study, Swedish Detonic Research Foundation, Report No. DS 1988:3, Stockholm, Sweden.
2. Breytenbach, G.C. (1985) The measurements of dilution in massive ore body mining with the aid of a pulsating laser distancemeter, Journal of the Institute of Mine Survey, Witwatersrand, Johannesburg, South Africa, 23, 55-60.
3. Durham, E.B. (1913) Mine Surveying, McGraw-Hill, New York.
4. Fellows, S. (1976) Tunnel profiling by photography, Tunnels & Tunnelling, British Tunnelling Society, 8, 70-3.
5. Franklin, J.A. and Maerz, N.H. (1987) Photographic measurements of jointing and fragmentation, in Proceedings of the 2nd International Symposium on Field Measurements in Geomechanics, A.A. Balkema, Kobe University, Japan, pp. 227-37.
6. Franklin, J.A., Ibarra, T.J. and Maerz, N.H. (1989) Blast overbreak measurement by light sectioning, International Journal of Mining and Geological Engineering, 7, 323-31.
7. Hagan, T.N. (1984) Blast design considerations for underground mining and construction operations, in Proceedings of the ISRM Symposium on Design and Performance of Underground Excavations, British Geotechnical Society, London, England, pp. 255-262.
8. Hamrin, H. (1974) Time for better drilling, Tunnels & Tunnelling, British Tunnelling Society, 6, 39-42.
9. Holmberg, R. (1979) Design of tunnel perimeter blasthole patterns to prevent rock damage, in Proceedings of the 2nd International Symposium Tunnelling 79, Institute of Mining and Metallurgy, London, pp. 280-3.
10. Hon, H.J., Milford, K.S. and Stansfield, K.P. (1985) Pulse Lasers in the Mining Industry. Internal Report, Department of Surveying, University of Witwatersrand, Johannesburg, South Africa, 11p.
11. Hulkkonen, K. (1987) Computerized drilling a reality in today's mines, in Proceedings of World Mining Congress, Stockholm. Sweden, Vol. 2, pp. 689-93.
12. Ibarra, T.J. (1990) Influencia de las discontinuidades en la sobrexcavacion medido por el metodo del fotoánalisis, Túnel de Conducción P.H. Trigomil, Superintendencia de Estudios ZPN, Guadalajara, México.
13. Ibarra, T.J. (1991) Influence of rock quality on overbreak, PhD Thesis, Department of Earth Sciences, University of Waterloo, Ontario, Canada.
14. Kanoh, Y. and Ohtsuka, M. (1983) Improvements on blasting technique for headrace tunnels, RETC Proceedings, San Francisco, CA, Vol. 1, pp. 282-96.
15. Kelsall, P.C., Case, J.B. and Chabannes, C.R. (1984) Evaluation of excavation-induced changes in rock permeability, Rock Mechanics and Mining Science & Geomechanical Abstracts, 21, 123-35.
16. Koppenwallner, F. (1959) Lichtschnitt-profilmenssung in stollen, Geologie und Bauwesen, Salzburg, Austria, Jg. 25, pp. 50-8.
17. Legge, F. and Alocco, V. (1981) Malawi-driving a 9.0 m diameter power conduit with low cover at Nkula Falls, Tunnels & Tunnelling, British Tunneling Society, 13, No. 6, 23-9.
18. Maerz, N.H., Franklin, J.A., Rothenburg, L. and Coursen, D.L. (1987) Measurement of rock fragmentation by digital photoanalysis, in ISRM, 6th International Congress on Rock Mechanics, Montreal, Canada, Vol. 1, pp. 687-92.
19. Maerz, N.H, Franklin, J.A. and Bennett, C.A. (1990) Joint roughness measurement using shadow profilometry, International Journal of Rock Mechanics and Mining Science & Geomechanical Abstracts, 5, 329-44.
20. Müller, L. (1959) Der Mehrausbruch in Tunneln und Stollen, Geologie und Bauwesen, Salzburg, Austria, Jg. 24, H. 3-4, 204-22.
21. Proctor, R.V. and White, T.L. (1946) Rock tunnelling with steel supports, in Introduction to Tunnel Geology, Terzaghi, K, (ed.) The Commercial Shearing & Stamping Co., Youngstown, Ohio, 278 p.
22. Sakurai, S., Shimizu, N. and Matsumuro, K. (1985) Evaluation of plastic zone around underground openings by means of displacement measurements, in Proceedings of the 5th International Conference on Numerical Methods in Geomechanics. Nagoya, Japan, pp. 11-118.
23. Thidemann, A. (1976) The influence of cracking on overbreak at tunnelling, Fjellsprengningsteknikk, Bergmekanikk/Geoteknikk, Oslo, Norway, pp. 19.1-19.9.
24. Thompson, D.E., McKown, A.F., Fourney, W.L. and Sperry, P.E. (1979) Field evaluation of fracture control in tunnel blasting. Report 100-79-14, US Department of Transportation, Washington, DC.