Seismic Response and Damage Analysis of Large Inverted Siphon Structure

Table 1

Mechanical parameters of materials.

Category	Gravity (kg/m³)	Elasticity modulus (MPa)	Poisson’s ratio	Cohesion (kPa)	Internal friction angle (°)
Inverted siphon	2500	31000	0.2
Plain concrete cushion	2400	22000	0.167
Gravel cushion	2700	30000	0.2
Rubber water stop	800	7.8	0.47
Back fill	2000	30	0.35	4.00	30
Silty clay	1900	30	0.3	18.40	16
Silt	2000	40	0.3	22.50	14
Medium fine sand	2000	75	0.25	0	30
Clay	2200	35	0.35	23.90	16