Overall Stability Analysis of Xiluodu High Arch Dam Based on Fine Three-Dimension Numerical Modeling

Table 2

Material mechanical parameters of Xiluodu arch dam.

Material	Unit weight (t/m^3)	Deformation modulus (GPa)	Poisson’s ratio	Effective shear strength
				C′ (MPa)	F′
Dam concrete	2.40	24	0.167	5.0	1.70
Diversion bottom hole concrete	2.40	32	0.167	5.0	1.70
Class II rock	2.85	16.5	0.20	2.5	1.35
III1	2.85	11.5	0.25	2.20	1.22
III2	2.75	5.5	0.28	1.4	1.2
IV1	2.6	3.0	0.30	1.0	1.02
IV2	2.6	1.0	0.30	0.50	0.70
V	2.2	0.5	0.35	0.05	0.35
Left bank C9	2.4	0.5	0.3	0.07	0.4
Right bank C9	2.4	0.5	0.3	0.06	0.4
Left bank C8	2.4	0.8	0.3	0.1	0.44
Right bank C8	2.4	0.9	0.3	0.1	0.44
C8	2.4	3	0.3	0.25	0.55
Left bank C7	2.4	1.7	0.3	0.2	0.55
Right bank C7	2.4	1.3	0.3	0.2	0.5
Left bank LC6	2.4	0.8	0.3	0.08	0.44
Right bank LC6	2.4	0.9	0.3	0.08	0.44
Left bank LC5	2.4	0.8	0.3	0.09	0.44
Right bank LC5	2.4	0.8	0.3	0.08	0.44
C3	2.4	0.8	0.3	0.17	0.5
C2	2.4	0.5	0.3	0.05	0.35
P2βn	2.4	1.5	0.3	0.05	0.35