Probabilistic Seismic Analysis of the Deep Sliding Stability of a Concrete Gravity Dam-Foundation System

Table 1

“Base-case” material properties for concrete and foundation.

Material parameters	Symbol	unit	Value
Concrete mass density	ρc	kg/m^3	2400
Concrete elastic modulus	Εc	GPa	26
Concrete Poisson’s ratio	υc	—	0.167
Foundation mass density	ρf	kg/m^3	2550
Foundation deformation modulus	Εf	GPa	13
Foundation Poisson’s ratio	υf	—	0.25
Friction coefficient of the main sliding surface	μ1	—	0.4
Cohesion of main sliding surface	c1	MPa	0.3
Friction coefficient of the auxiliary sliding surface	μ2	—	1.0
Cohesion of the auxiliary sliding surface	c2	MPa	0.9