A micromechanics-based elastoplastic damage model for quasi-brittle rocks

Computers and Geotechnics

Volumn 38, Issue 8, 2011, Pages 970-977

  Xie, N ^a,b   Zhu, Q Z ^c   Xu, L H ^a   Shao, J F ^b  

^a WUHAN UNIVERSITY   (China)

^b UNIV LILLE   (France)

^c Université Paris Est Créteil   (France)

Author keywords

Friction; Homogenization; Isotropic damage; Micro cracks; Semi brittle rocks; Thermodynamics

Indexed keywords

BACK STRESS; DAMAGE CRITERIA; DAMAGE EVOLUTION; ELASTO-PLASTIC DAMAGE MODEL; FRICTIONAL SLIDING; HOMOGENIZATION; HOMOGENIZATION PROCEDURE; INELASTIC STRAIN; ISOTROPIC DAMAGE; MATERIAL HARDENING; MICRO-MACRO; MODEL PARAMETERS; NUMERICAL PREDICTIONS; PHENOMENOLOGICAL MODELS; PLASTIC YIELDING; ROCK MASS; SAMPLE SETS; SEMI-BRITTLE ROCKS; TEST DATA; THERMODYNAMIC FORCES; THERMODYNAMIC FORMULATION; TRIAXIAL COMPRESSION TESTS;

BRITTLE FRACTURE; BRITTLENESS; COMPRESSION TESTING; CRACKS; ELASTOPLASTICITY; FRICTION; MICROMECHANICS; STRAIN RATE; THERMODYNAMICS;

ROCKS;

COMPRESSIVE STRENGTH; CRACK PROPAGATION; DIABASE; ELASTOPLASTICITY; FRICTION; MICROCRACK; MICROMECHANICS; ROCK MECHANICS; THERMODYNAMICS; TRIAXIAL TEST;

EID: 80052939391     PISSN: 0266352X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.compgeo.2011.07.014     Document Type: Article

References (21)

1. Andrieux S., Bamberger Y., Marigo J. Un modèle de matériau microfissuré pour les roches et les bétons. Journal de mécanique théorique et appliquée 1986, 5(3):471-513.
2. Bozkurtoglu E., Vardar M., Suner F., Zambak C. A new numerical approach to weathering and alteration in rock using a pilot area in the tuzla geothermal area, turkey. Eng Geol 2006, 87:33-47.
3. Brace W., Bombolakis E. A note on brittle crack growth in compression. J Geophys Res 1963, 68(12):3709-3713.
4. Budiansky B., O'Connel J. Elastic moduli of a cracked solid. Int J Solids Struct 1976, 12:81-97.
5. Chaboche J.L., Knouté P., Roos A. On the capabilities of mean-field approaches for the description of plasticity in metal matrix composites. Int J Plast 2005, 21(7):1409-1434.
6. Chow C., June W. An anisotropic theory of elasticity for continuum damage mechanics. Int J Fract 1987, 33:3-16.
7. Dormieux L., Kondo D., Ulm F.-J. Microporomechanics 2006, Wiley.
8. Gambarotta L., Lagomarsino S. A microcrack damage model for brittle materials. Int J Solids Struct 1993, 30(2):177-198.
9. Halm D., Dragon A. A model of anisotropic damage by mesocrack growth: unilateral effect. Int J Damage Mech 1996, 5:384-402.
10. Horii H., Nemat-Nasser S. Compression-induced microcrack growth in brittle solids: axial splitting and shear failure. J Geophys Res 1985, 90(B4):3105-3125.
11. Ju J. On energy based coupled elastoplastic damage theories: constitutive modeling and computational aspects. Int J Fract 1989, 25(7):803-833.
12. Kranz R. Microcracks in rocks: a review. Tectonophysics 1983, 100:449-480.
13. Murakami S., Kamiya K. Constitutive and damage evolution equations of elastic brittle materials based on irreversible thermodynamics. Int J Mech Sci 1996, 39(4):473-486.
14. Pensee V., Kondo D., Dormieux L. Micromechanical analysis of anisotropic damage in brittle materials. J Eng Mech ASCE 2002, 128(8):889-897.
15. Ponte-Castaneda P., Willis J.-R. The effect of spatial distribution of effective behavior of composite materials and cracked media. J Mech Phys Solids 1995, 43:1919-1951.
16. Tugrul A. The effect of weathering on pore geometry and compressive strength of selected rock types from turkey. Eng Geol 2004, 75:215-227.
17. Wawersik W., Brace W. Post-failure behavior of a granite and diabase. Rock Mech 1971, 3:61-85.
18. Wong T. Micromechanics of faulting in westerly granite. Int J Rock Mech Min Sci 1982, 19:49-56.
19. Zhu Q.-Z., Kondo D., Shao J.-F. Micromechanical analysis of coupling between anisotropic damage and friction in quasi brittle materials: role of the homogenization scheme. Int J Solids Struct 2008, 45(5):1385-1405.
20. Zhu Q.-Z., Kondo D., Shao J.-F., Pensee V. Micromechanical modelling of anisotropic damage in brittle rocks and application. Int J Rock Mech Mining Sci 2008, 45:467-477.
21. Zhu Q.-Z., Shao J.-F., Kondo D. A micromechanics-based thermodynamic formulation of isotropic damage with unilateral and friction effects. Eur J Mech - A/Solids 2011, 30:316-325.