Steel truss bridges - Computational Analysis and Design of Bridge Structures - page 319

U43 U45 U43 U41

U39 U41

U39

U37

U35 U37 U35

U33

U31 U33

U31

U29

U25 U27 U29

U27

U25

U21 U23

U23 U21

U19 U17

U17 U19

U15

U15

U13 U13

U11

U11

L43 L45 L43 U9

U9 L41 L41 U7

U7 L39 L39

U5 L37 L37 U5 U3

U3

L35 L35

L33 L33

L31 L31

B35 B37 B39 B41 B43 B45 B43 B41 B39 B37 B35 B33 B31

B29 B31 B33 B29

L19 L17

L19 L21 L21 L15 L13

L15 L17 L27 L11 L9 L7

L9 L11 L13 L27 L5 L3 L1

Support

L5 L7 L23 L23

L1 L3

L25 L25

Support

Support

Line of symmetry

Support

Figure 10.24 Francis Scott Key Bridge in 2D truss model.

Figure 10.25 Francis Scott Key Bridge in 3D frame model.