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편재절리모델의 유용성과 한계성

Usefulness and Limiations of Ubiquitous Joint Models


Jointed rock is often modeled using ubiquitious joint models, anisotropic plasticity models with yield condions that simulate slip along joint sets. In this paper, a ubiquitous joint model is derived for a rock mass cut by two sets of continuous joints. The model is used to compute the bearing capacity of a footing resting on jointed rock. Comparison to a series of Distinct Element simulations with different joint spacings, suggests that ubiquitous joint modles are only appropriate when the joint spacing is small.

저자의 다른 논문

참고문헌 (16)

  1. A general 3-D model for a jointed reck mass , Blanford, M. L.;S. W. Key;J. D. Chieslar;C. S. Desai (ed.)(et al.) , Proceedings, Second Internaltional Conference on Constitutive Laws for Engineering materials:Theory and Application / v.,pp.35-46, 1987
  2. computational model for jointed media with orthogonal sets of joints , Chen, E. P., A , J. Appl. Mech. Trans. ASME / v.56,pp.25-32, 1989
  3. Correlation of discontinuum models woth physical obsercations-an approach to the estimation of rock mass bahavior , Cundall, P. A.;C. Fairhurst , Felsbau / v.4,pp.197-202, 1986
  4. Continuum model of regularly jointed mediums , Morland, L. W. , J. Geophys. Res. / v.79,pp.357-362, 1974
  5. Understanding the Use of a Continuum Joint Model for the Analysis of as Excavated Drift. , Petney, S. V.;M. L. Blanford , Technical Report RSI Publ. No.89-01 / v.,pp., 1989
  6. Application of Cosserat theory in numerical simulation of limit load problems , M hlhaus, H. B. , Ingenieur-Archiv / v.59,pp.124-137, 1989
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  8. Analysis of fracture and deformation processes during flexural toppling in foliated rock slopes , Adhikary, D. P.;A. V. Dyskin;R. J. Jewell;Rossmanith (ed.) , Mechanics of jointed and faulted rock / v.,pp.611-616, 1995
  9. Itaska Consulting Group , UDEC (Universal Distinct Element Code)(Version ICG 1.7) / v.,pp., 1991
  10. Cosserat plasticity for modeling layred rock , Dawson, E. M.;P. A. Cundall , Proceedings of the Fractured and Jointed Rock Masses Conference / v.,pp., 1992
  11. A Continuum Description of Jointed Media , Thomas, R. K. , Technical Report SAND81-2615 / v.,pp., 1982
  12. Time dependent multilaminated model of rock-a numerical study of deformationa and failure of rock masses , Zienkiewicz, O. C.;Pande, G. N. , Int. J. Numer. Anal. Methods in Geomech. / v.1,pp.219-247, 1977
  13. Inelastic behavior of plane frictionless block-systems described as Cos-serat media , Besdo, D. , Arch. Mech. / v.37,pp.603-619, 1985
  14. Dynamic relaxation , Otter, J. R. H. ;A. C. Cassell;R. E. Hobbs , Proc. Inst. Civ. Eng. / v.35,pp.633-656, 1966
  15. Itaska Consulting Group , FLAC(Fast Lagrangian Analysis of Contnua)(Version3.2) / v.,pp., 1993
  16. Micropolar Continuum Models for Jointed Rock , Dawson, E. M. , Ph. D. thesis, Univeristy of Minnesota / v.,pp., 1995

이 논문을 인용한 문헌 (4)

  1. 1998. "Stability Analysis for Jointed Rock Slope Using Ubiquitous Joint Model" 터널과 지하공간: 한국암반공학회지 = Tunnel and underground space, 8(4): 287~295 
  2. 2001. "Estimation of Safety Factor for a Jointed Rack Slope by DEM" 韓國地盤工學會論文集 = Journal of the Korean geotechnical society, 17(4): 241~247 
  3. You, Kwang-Ho ; Park, Yeon-Jun ; Kang, Yong 2001. "A Numerical Study on the Estimation of Safety Factor of Tunnels Excavated in Jointed Rock Mass" 터널과 지하공간: 한국암반공학회지 = Tunnel and underground space, 11(3): 279~288 
  4. 2002. "Stability Analysis for Two Arch Excavation of a Tunnel Portal" 터널과 지하공간: 한국암반공학회지 = Tunnel and underground space, 12(3): 179~188 


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