Mechanism study on subcritical crack growth of flabby and intricate ore rock

Transactions of Nonferrous Metals Society of China (English Edition)

Volumn 16, Issue 3, 2006, Pages 723-727

  Yuan, Hai Ping ^a   Cao, Ping ^a   Xu, Wan Zhong ^a  

^a CENTRAL SOUTH UNIVERSITY   (China)

Author keywords

Block caving method; Double torsion specimens; Fracture toughness; Stress corrosion; Subcritical crack growth

Indexed keywords

FRACTURE TOUGHNESS; MECHANISMS; ORES; ROCKS; STRESS INTENSITY FACTORS; VELOCITY;

BLOCK CAVING METHOD; DOUBLE TORSION SPECIMENS; STRESS CORROSION; SUBCRITICAL CRACK GROWTH;

CRACK PROPAGATION;

EID: 33748454107     PISSN: 10036326     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1003-6326(06)60128-3     Document Type: Article

References (15)

1. SCHULTZ R A. Growth of geologic fractures into large-strain populations: Review of nomenclature, subcritical crack growth and some implications for rock engineering[J]. Int J Rock Mech Min Sci, 2000, 37(2): 403-411.
2. NGWENYA B T, ELPHICK S C, MAIN I G, et al. Experimental constraints on the diagenetic self-sealing capacity of faults in high porosity rocks[J]. Earth Planet Sci Lett, 2000, 183(1): 187-199.
3. OJALA I O, NGWENYA B T, MAIN I G, et al. Correlation of micro-seismic and chemical properties of brittle deformation in locharbriggs sandstone[J]. Journal of Geophysical Research, 2003, 108(B5): 2268-2280.
4. CICCOTTI M, NEGRI N, GONZATO G, et al. Practical application of an improved methodology for the double torsion load relaxation method[J]. Int J Rock Mechanics and Mining Sciences, 2001, 38(4): 569-576.
5. XIAO Hong-tian, YANG Ruo-qiong, ZHOU Wei-yuan. Testing study of subcritical crack growth of granite at the three gorges shiplock[J]. Chinese Journal of Rock Mechanics and Engineering, 1999, 18(4): 447-450.
6. TANG Li-zhong, PAN Chang-liang. Experiment study on properties of stress relaxation of rock under deformation at peak load[J]. Rock and Soil Mechanics, 2003, 24(6): 940-942.
7. SCHULTZ R A. Growth of geologic fractures into large-strain populations: Review of nomenclature, subcritical crack growth and some implications for rock engineering[J]. Int J Rock Mech Min Sci, 2000, 37(2): 403-411.
8. WONG H C, CHAU K T. Crack coalescence in a rock-like material containing two cracks[J]. International Journal of Rock Mechanics and Mining Sciences, 1998, 35(2): 147-164.
9. WANG Gui-yao, SUN Zong-qi, QING Du-gan. Fracture mechanics analysis of rock burst mechanism and rrediction[J]. The Chinese Journal of Nonferrous Metals, 1999, 9(4): 841-845. (in Chinese)
10. SAADAOUI M, REYNAUD P, FANTOZZI G. Slow crack growth study of plaster using the double torsion method[J]. Ceramics International, 2000, 26(4): 435-439.
11. CICCOTTI M. A realistic finite-element model for the double torsion loading configuration[J]. Am Ceram Soc, 2000, 83(11): 2737-2744.
12. CICCOTTI M, GONZATO G, MULARGIA F. The double torsion loading configuration for fracture propagation an improved methodology for the load-relaxation at constant displacement[J]. Int J Rock Mechanics and Mining Sciences, 2000, 37(7): 1103-1113.
13. LIOU Ya-jun, XIAO Hong-tian, LI Hao. Investigation of subcritical growth speed of cracks in granite[J]. Journal of Wuhan University of Hydrographic and Electric Engineering, 2000, 33(3): 39-42.
14. SUN Xu. Research of mining method in Jinchuan III Mine[J]. Mining Technology, 2003, 3(3): 12-14.
15. YUAN Hai-ping, CAO Ping. Actuality and prospect of natural caving method in China[J]. Metal Mine, 2004(8): 25-28.