Effect of soil–structure interaction and spatial variability of ground motion on seismic risk assessment of bridges - Seismic Risk Analysis and Management of Civil Infrastructure Systems - page 602

22.4 Plastic strains developed at the backfi ll of the approach
embankment of the TY3 bridge (longitudinal direction).

40 000
35 000
30 000
25 000
20 000

Adobe
LADWP
La Veta
MGR
R14
TY3
W180

15 000
10 000
5000
0

0 0.01 0.02 0.03 0.04 0.05

Displacement (m)

0.06 0.07 0.08 0.09 0.1

22.5 Force-displacement (pushover curve) of the embankment-
abutment system of the TY3 bridge (longitudinal direction).

22.4 Realistic earthquake excitation scenarios for

interactive soil-bridge systems

As all different aspects of soil-foundation-bridge interaction already pre-
sented are found to be frequency-dependent, it is clear that a reliable esti-