Assessing in situ microcrack damage using ultrasonic velocity tomography

International Journal of Rock Mechanics and Mining Sciences

Volumn 42, Issue 1, 2005, Pages 25-34

  Meglis, I L ^a   Chow, T ^b   Martin, C Derek ^a   Young, R P ^c  

^a UNIVERSITY OF ALBERTA   (Canada)

^b JURAVINSKI CANCER CENTRE   (Canada)

^c UNIVERSITY OF LIVERPOOL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BOREHOLES; COMPRESSIVE STRESS; MICROCRACKS; TENSILE STRESS; TOMOGRAPHY; TWO DIMENSIONAL; ULTRASONIC WAVES;

MICROSEISMICITY; TUNNEL SURFACE; TUNNEL WALL;

TUNNELING (EXCAVATION);

DETECTION METHOD; EXCAVATION; FRACTURE INITIATION; MICROCRACK; ROCK MECHANICS; TOMOGRAPHY; TUNNELING; ULTRASONICS;

EID: 10944258847     PISSN: 13651609     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrmms.2004.06.002     Document Type: Article

References (14)

1. CD Martin B Stimpson The effect of sample disturbance on the laboratory properties of Lac du Bonnet granite Can Geotech J 31 1992 692-702
2. CD Martin NA Chandler The progressive fracture of Lac du Bonnet granite Int J Rock Mech Min Sci Geomech Abstr 31 1994 643-659
3. Martin CD, Read R. AECL's Mine-by experiment: A test tunnel in brittle rock. In: Proceedings of the 2nd North American rock mechanics symposium, Montreal, 1996. p. 13-24.
4. Feignier B, Young RP. Failure mechanisms of microseismic events generated by a breakout development around an underground opening. In: Young RP, editor. Rockbursts and seismicity in mines, Proceedings of international symposium, Kingston. Rotterdam: Balkema; 1993. p. 181-6.
5. SR Carlson RP Young Acoustic emission and ultrasonic velocity study of excavation-induced microcrack damage at the Underground Research Laboratory Int J Rock Mech Min Sci Geomech Abstr 30 1993 901-907
6. CD Martin RS Read J. Martino Observations of brittle failure around a circular test tunnel Int J Rock Mech Min Sci Geomech Abstr 34 1997 1065-1073
7. L. Thomsen Weak elastic anisotropy Geophysics 51 1986 1954-1966
8. Chow T. Concurrent ultrasonic tomography and acoustic emission in solid materials. PhD thesis, Queen's University, Kingston, Ontario, Canada, 1993.
9. JA Hudson Wave speeds and attenuation of elastic waves in material containing cracks Geophys J Int 64 1981 133-150
10. Collins DS, Young RP. Monitoring and source location of microseismicity induced by excavation of the Mine-By Tunnel: Preliminary analysis. Report #013AECL to Atomic Energy of Canada, Ltd, 1992.
11. T. Chow IL Meglis RP Young Progressive microcrack development in tests on Lac du Bonnet granite-II. Ultrasonic tomographic imaging Int J Rock Mech Min Sci Geomech Abstr 32 1995 751-761
12. IL Meglis T Chow RP Young Progressive microcrack development in tests on Lac du Bonnet granite-I. Acoustic emission source location and velocity measurements Int J Rock Mech Min Sci Geomech Abstr 32 1995 741-750
13. Annor A, Jackson R. Mechanical, thermomechanical and joint properties of rock samples from the Lac du Bonnet Batholith, Manitoba. In: Katsube TJ, Hume JP, editors. Geotechnical studies at Whiteshell Research Area. Divisional Report MRL 87-52, 1987.
14. Chernis PJ. Comparison of the pore-microcrack structure of shallow and deep samples of the Lac du Bonnet granite. Technical Record TR-223 to Atomic Energy of Canada, Ltd, 1984.