Redundancy analysis - Computational Analysis and Design of Bridge Structures - page 490

Table 15.14 SG bridge structural damage
costs

Damaged area by performance
level (ft 2 )

Attack
scenario (i) ≥ IO ≥ LS ≥ CP

1 3310 540 3930

2 2861 1962 4303

3 2902 1353 4273

4 1926 1341 3578

5 2041 930 4439

the steel girder (PG) bridge experiences damage in all three performance
levels but still has some redundancy left. Table 15.14 summarizes the
structural damage under IO, LS, and CP. With all attack scenarios under
the category of (≥CP), there is some redundancy left for this type of
bridges.