Site class

Density,

t/m³

Velocity, V_s, m/s

Seismic rigidity, t∙m⁻²∙s⁻¹

Maximum of dynamic coefficient динамичности

Site

coefficient

А

2.4

1700

4080

1.88

1

B

2.2

1000

2200

1.9

1

C

1.9

580

1100

2.34

1.23

D

1.7

290

493

3.28

1.7

E

1.5

100

150

5.32

2.8