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DDA's Download link:

  • Latest version of DDA created by members of this groups (Download)

Useful papers:

  • Sitar, N., and MacLaughlin, M.M., Kinematics and Discontinuous Deformation Analysis of Landslide Movement, Invited Keynote Lecture, II Panamerican Symposium on Landslides, Rio de Janeiro, Nov. 10-14th, 1997.

  • Sitar, N., and MacLaughlin, M.M., Doolin, D.M. and Abbot, T. Investigation of slope stability kinematics using discontinuous deformation analysis. International Journal of Rock Mechanics and Mining Sciences, v. 38, pp. 753-762, 2001.

  • Doolin, D.M. and Sitar, N., Accuracy of the DDA method with respect to a single sliding block. In: Rock Mechanics in the National Interest, proceedings of the 38th U.S. Rock Mechanics Symposium, Washington D.C., July 5-7, 2001. Balkema, Rotterdam, pp. 1429-1435.

  • Doolin, D.M. and Sitar, N., DDAML --- discontinuous deformation dnalysis markup language.Int. J. of Rock Mechanics and Mining Sciences, V38, N3, April, 2001, 467-474.

  • Sitar, N., and MacLaughlin, M.M., Investigation of slope stability kinematics using discontinuous deformation analysis. Invited Keynote Lecture, II Panamerican Symposium on Landslides, Rio de Janeiro, Nov. 10-14th, 1997.

  • Tsesarsky, M. and Hatzor, Y. H., 2005. Tunnel roof deflection as a function of joint spacing and friction in blocky rock masses – a parametric study using Discontinuous Deformation Analysis (DDA). Tunneling and Underground Space Technology.

  • Tsesarsky M., Hatzor, Y. H. and Sitar N.2005.Dynamic Displacement of a Block on an Inclined Plane: Analytical, Experimental and DDA Results. Technical Note. Rock Mechanics and Rock Engineering. Vol. 38, No. 2, pp. 153-167.

  • Hatzor, Y. H., Y. Zaslavsky, A. A. Arzi, and A. Shapira. 2004. Dynamic stability analysis of jointed rock slopes using the DDA method: King Herod’s Palace, Masada, Israel. International Journal of Rock Mechanics and Mining Sciences Vol.41, pp. 813–832.

  • Tsesarsky, M., Hatzor, Y. H. and Sitar, N. 2002. Dynamic block displacement prediction – validation of DDA using analytical solutions and shaking table experiments. Stability of Rock Structures: Proceedings of the 5th International Conference on Analysis of Discontinuous Deformation (ed. Y. H. Hatzor), Balkema Publishers, Lisse, pp. 195 – 203.

  • Hatzor, Y. H. and A. Feintuch, 2001. The validity of dynamic displacement prediction using DDA.  International Journal of Rock Mechanics and Mining Sciences. Vol. 38, No. 4, pp. 599-606.

  • Hatzor, Y. H. and R. Benary, 1998. Stability of a laminated Voussoir beam: back analysis of a historic roof collapse using DDA. International Journal of Rock Mechanics and Mining Sciences., Vol. 35, No. 2, pp. 165-181.

  • Kamai, R. and Hatzor, Y.H. 2005. Dynamic back analysis of structural failures in archeological sites to obtain paleo-seismic parameters using DDA. Stability Analyses using Discontinuous Methods: Proceedings of the 7th International Conference on Analysis of Discontinuous Deformation (ed. M. MacLaughlin and N. Sitar), Honolulu, Hawaii, pp. 121-136.

  • Hatzor, Y. H., Tsesarsky, M. And Eimermacher, R. C. 2006. Structural stability of historic underground openings in rocks: two case studies from Israel.  In: Stavros K.  Ed. Fracture and Failure of Natural Building Stones (ed.S. K. Kourkoulis), Kluwer Academic Publishers.

  • Tsesarsky, M. and Hatzor, Y. H., 2005. Tunnel roof deflection as a function of joint spacing and friction in blocky rock masses – a parametric study using Discontinuous Deformation Analysis (DDA). Tunneling and Underground Space Technology.

  • Tsesarsky, M. Hatzor, Y. H., Leviathan, Saltzman, U., Sokolowsky, M. 2005. Structural control on the stability of overhanging, discontinuous rock slopes. 40th U.S. Symposium on Rock Mechanics (USRMS): Rock Mechanics for Energy, Mineral and Infrastructure Development in the Northern Regions. Anchorage, Alaska, June 25-29, 2005. CD-ROM paper ARMA/USRMS 05-771.

  • Tsesarsky, M. and Hatzor, Y. H. 2003. Deformation and kinematics of vertically jointed rock layers in underground openings. In: Development and Application of Discontinuous Modelling for Rock Engineering: ICADD – 6, Proceedings of  the 6th International Conference on Analysis of Discontinuous Deformation (ed. M. Lu),  Balkema Publishers, Lisse, 93-101.

  • Tsesarsky, M., Hatzor, Y. H. and Sitar, N. 2002. Dynamic block displacement prediction – validation of DDA using analytical solutions and shaking table experiments. Stability of Rock Structures: Proceedings of the 5th International Conference on Analysis of Discontinuous Deformation (ed. Y. H. Hatzor), Balkema Publishers, Lisse, pp. 195 – 203.

  • Hatzor, Y, H., 1999. The Vousoir beam reaction curve. ICADD-3, Proceedings of the 3rd  Intl. Con. On Analysis of Discontinuous Deformation (ed. B. Amadei) ARMA, Alexandria, pp. 117-126.