Influences of changes in mechanical properties of an overcored sample on the far-field stress calculation

International Journal of Rock Mechanics and Mining Sciences

Volumn 41, Issue 7, 2004, Pages 1153-1166

  Guo, R ^a   Thompson, P ^a  

^a ATOMIC ENERGY OF CANADA LIMITED   (Canada)

Author keywords

Deep doorstopper gauge system; In situ stress determination; Numerical simulation; Rock mechanics

Indexed keywords

COMPUTER SIMULATION; MINING; POISSON RATIO; STRESS ANALYSIS;

STRESS RATIO (SR); STRESS-RELIEF DAMAGE;

ROCK MECHANICS;

IN SITU STRESS; OVERCORING; ROCK MECHANICS; STRESS ANALYSIS; STRESS MEASUREMENT;

EID: 4344622671     PISSN: 13651609     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijrmms.2004.05.003     Document Type: Article

References (23)

1. Leeman E.R. The "doorstopper" and triaxial rock stress measuring instruments developed by the CSIR J S Afr Inst Min Metall 69 7 1969 305-339
2. Leeman E.R. The CSIR "doorstopper" and triaxial rock stress measuring instruments Rock Mech 3 1971 25-50
3. Rahn W. Stress concentration factors for the interpretation of doorstopper stress measurements in anisotropic rocks Int J Rock Mech Min Sci Geomech Abstr 21 1984 313-326
4. Wang Y. Wong T-.F. Finite element analysis of two overcoring techniques for in situ stress measurement Int J Rock Mech Min Sci Geomech Abstr 24 1 1987 41-52
5. Tonon F. Amadei B. Pan E. Frangopol D.M. Bayesian estimation of rock mass boundary conditions with applications to the AECL underground research laboratory Int J Rock Mech Min Sci 38 2001 995-1027
6. Martin CD, Read RS, Chandler NA. Does scale influence in situ stress measurements?-Some findings at the Underground Research Laboratory. In: Proceedings of the First International Workshop on Scale Effects in Rock Masses, Norway, 1990. p. 307-16.
7. Martin C.D. Chandler N.A. Stress heterogeneity and geological structures Int J Rock Mech Min Sci Geomech Abstr 30 7 1993 993-999
8. Chandler N, Martin D. The influence of near surface faults on in situ stresses in the Canadian Shield. In: Proceedings of the First North American Rock Mechanics Symposium, The University of Texas at Austin, 1994. p. 369-76.
9. Corthésy R. Leite M.H. He G. Gill D.E. The RPR method for doorstopper technique: four or six stress components from one or two boreholes Int J Rock Mech Min Sci Geomech Abstr 31 5 1994 507-516
10. Leite MH, Corthésy R. Influence of nonlinearity of stress-strain relations on the RPR method. Report of the Centre de développement technologique de l' École Polytechnique, Montréal, 1997.
11. Leite MH, Corthésy R, Gill DE. Deep borehole stress measurement at the URL. Report of the Centre de développement technologique de l' École Polytechnique, Montréal, 1996. 33pp.
12. Guo R, Thompson P. 3-D numerical modelling of deep doorstopper stress determination to investigate possible sources of discrepancies in the DDGS. Ontario Power Generation Inc., Nuclear Waste Management Division Report No: 06819-REP-01200-10132-R00, 2004.
13. Borsetto M. Martinetti S. Ribacchi R. Interpretation of in situ measurements in anisotropic rocks with the doorstopper method Rock Mech Rock Eng 17 1984 167-182
14. Hakala M. Hudson J.A. Christiansson R. Quality control of overcoring stress measurement data Int J Rock Mech Min Sci 40 2003 1141-1159
15. Martino JB, Thompson PM. Status of the development of the Deep Doorstopper Gauge System for in situ stress measurement and summary of results from the deep stress measurement borehole at the Underground Research Laboratory. Report No: 06819-REP-01200-0031-R00, 1997.
16. Hallbjörn L. Ingevald K. Martna J. Strindell L. New automatic probe for measuring triaxial stresses in deep boreholes Tunnelling Under-ground Space Technol 5 1/2 1990 141-145
17. Haimson B.C. The hydrofracturing stress measurement method and recent field results Int J Rock Mech Min Sci Geomech Abstr 15 1978 167-178
18. Christiansson R, Janson T. Test with three different stress measurement methods in two orthogonal bore holes. NARMS-TAC 2002, Toronto, July 2002. p. 1429-36.
19. Thompson PM, Martino JB. Deep in situ stress determinations in the extension of borehole 405-047-OC1 using the Deep Doorstopper Gauge System. Report No: 06819-REP-01200-10059-R00, 2001.
20. 3D Fast Lagrangian Analysis of Continua in 3 Dimensions, Version 1, 1994.
21. Gray WM, Toews NA. Analysis of accuracy in the determination of the ground stress tensor by means of borehole devices. In: Proceedings of Nineth US Symposium on Rock Mechanics, 1968. p. 45-77.
22. Obara Y. Sugawara K. Updating the use of the CCBO cell in Japan: overcoring case studies Int J Rock Mech Min Sci 40 2003 1189-1203
23. Thompson PM, Martino JB. Application of the deep doorstopper gauge system to deep in situ rock stress determinations. Ontario Power Generation Inc., Nuclear Waste Management Division Report No: 06819-REP-01200-10019-R00, 2000.