Design of Steel Structure
The centrifugal force due to curvature of track is assumed to act on the bridge at a height of

1.23 m above the rail level
1.50 m above the rail level
2.13 m above the rail level
1.83 m above the rail level

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Design of Steel Structure
The elastic strain for steel is about

1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain
1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain
1/12 of strain at the initiation of strain hardening and about 1/120 of maximum strain
1/2 of strain at the initiation of strain hardening and about 1/12 of maximum strain

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