Beneficial and Detrimental Effects of Soil-Structure Interaction on Probabilistic Seismic Hazard and Risk of Nuclear Power Plant

Table 4

Average soil dynamic properties of the different soil cases A1 and C1.

Properties of soil	Soil cases
	Hard	Soft
	A1	C1
Bulk modulus, G (Pa)	3.2704e + 009	2.1150e + 008
Horizontal stiffness of the soil stratum, Kh (N/m)	3.1349e + 011	2.0273e + 010
Rocking stiffness of the soil stratum, Kr (N/m)	1.0418e + 014	6.7375e + 012
Vertical stiffness of the soil stratum, Kv (N/m)	3.9186e + 011	2.5342e + 010
Horizontal damping coefficient, Ch (Ns/m)	2.8167e + 009	7.1629e + 008
Rocking damping coefficient, Cr (Ns/m)	2.4419e + 011	6.2099e + 010
Vertical damping coefficient, Cv (Ns/m)	5.2047e + 009	1.3236e + 009