Numerical study of the core disk fracturing and interpretation of the in situ state of stress

9th ISRM Congress

Volumn , Issue , 1999, Pages 1149-1153

  Hakala, M ^a  

^a WSP Finland Ltd   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

ROCK MECHANICS;

CRITICAL STRESS; EXPLICIT FINITE DIFFERENCES; FRACTURE GROWTH; INITIAL FAILURE; INTERPRETATION METHODS; SITE-SPECIFIC; STATE OF STRESS; STRESS MEASURING;

FRACTURE;

EID: 85059308921     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (4)

1. Hakala, M. 1999. Numerical study of the core damage and interpretation of the insitu state of stress, Working report 99-XXe ( under preparation). Helsinki: PosivaOy.
2. Haimson, B. Z. 1997. Borehole breakouts and core disking as a tool for estimating in situ stress in deep holes. In Sugawara & Obara (eds.). Rock Stress. Balkema: Rotterdam.
3. Kutter, H.K. 1991. Influence of drilling method on borehole breakout and core disking. In Wittke (ed.), 7th Intentional Congress on Rock Mechanics. Balkema: Rotterdam.
4. Li, Y. 1997. Drilling Induced Core Damage and Its Relationship to Crystal In Situ Stress States and Rock Properties, Ph.D. Thesis. Edmonton, Alberta: University of Alberta.