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1 * ABAQUS DDA DEM Yu Houhe et al. BT *
2 ABAQUS
3 c. n tan 2C cos ft 2Rt 1 sin f t Max C.cot 2C cos f c 2Rc 1 sin f c f t Parameter E C Definition Modulus of Elasticity (GPa) Poisson's Ratio Friction angle (Degree) Cohesion () Specific Weight (kn/m 3 ) Rock Types R4 R5 R6 R8 R1 R Parameter D25 D35 Compressive strength () Tensile Strength () Modulus of Elasticity (GPa) Poisson's ratio.2.2 Specific Weight 3 kn / m
4 - - Load Combination Location Model Stress Component + Hydrostatic Major Princ. Max. () Elastic Minor Princ. Min. () Integration Points Major Princ. Max. () Elasto Plastic Minor Princ. Min. () Major Princ. Max. () Elastic - Minor Princ. Min. () Element Nodes Major Princ. Max. () Elasto Plastic - Minor Princ. Min. ()
5
6
7 f t t f R12 t Max
8 - Model Location Stress Component Load Combination +Hydrostatic Elastic Integration points Major Princ. Max. () Minor Princ. Min. () Elasto Plastic Integration points Major Princ. Max. () Minor Princ. Min. ()
9 Min. Principal () Max. Principal () Rock Foundation Dam Body a c a a Location a Stress Component Load Combination +Hydrostatic Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. ().9.9 Minor Princ. Min. () Hydro (a) Hydro (a) a
10 Min. Principal () Max. Principal () Rock Foundation Dam Body Min. Principal () Max. Principal () Hydro (a) Hydro. 1 (a) 2 3 a b Load Combination Location b Stress Component +Hydrostatic Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Hydro Hydro (b) (b) b
11 Min. Principal () Max. Principal () Rock Foundation Dam Body Min. Principal () Max. Principal () Hydro. 1. +Hydro (b) (b) b C C d Location d Stress Component Load Combination +Hydrostatic Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. () Minor Princ. Min. () Major Princ. Max. ().6.6 Minor Princ. Min. () Hydro Hydro (d) (d).2.3 C C d
12 Min. Principal () Max. Principal () Hydro..6 +Hydro (d) (d).2.3 C C d 2 - c
13 c,, 1 - Pande, G. N. and Xiong, W. (1982). An improved multi-laminate model of jointed rock masses. Inter. Sym. On Numerical models in Geomechanics, Zurich, PP Chen, S., Xu, M., Shahrour, I. and Egger, P. (23). Analysis of arch dams using coupled trial load and block element methods. Journal of Geotechnical and Geoenviromental Engineering, Vol. 129, No Yu, X., Zhou, Y. F. and Peng, S.Z. (25). Stability analyses of dam abutments by 3D elasto-plastic finiteelement method: a case study of Houhe gravity-arch dam in china. Int. J. Rock. Mech. Min. Sci, Vol. 42, PP Khoshboresh, A. (25). Drilling and grouting of Karun 3 dam, Jaam-e-andisheh, Tehran. [Persian] 5 - Hosseinzadeh, A. (27). Three dimensional numerical analysis of stress-strain in arch concrete dams, Using more accurate modeling of foundation, Msc thesis, Amirkabir University of Technology. [Persian] 6 - Mahab Ghods-Acres JV. (1993). Dam site geological and geotechnical report, KARUN III Development Project, Vol Mahab Ghods-Acres JV. (21). Dam and thrust block analysis, Design report in KARUN III development project. 8 - Mahab Ghods-Acres JV. (1992). Dam structural Analysis, KARUN III Development Project. 1 - Multi Laminate Model 2 - Finite Element Mesh 3 - Interface Element 4 - Joint Element 5 - Block Theory (BT) 6 - Distinct Element Method (DEM) 7 - Discontinuous Deformation Analysis (DDA) 8 - Integration Points 9 - Weight-less 1 - Plastic Strain Equivalent (PEEQ). (, where c is the cohesion yield stress
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