Design Examples of Steel and Steel-Concrete Composite Bridges - Finite Element Analysis and Design of Steel and Steel-Concrete Composite Bridges - page 396

Q D+L+ f =
1325 kN

N 4

N 3

Figure 4.156 The connection between cross girder and main plate girder.

Field splice position

Field splice position

7500 6500 6500 7500

5750 16,500 5750

6×4500=27,000 mm

28,000 mm

Figure 4.157 Positions of field splices in the main plate girder.

compensated by three flange splice plates having cross-sectional area of
54 1.6 and 2 25 1.6 cm 2 with a total area of 166.4 cm 2 , which is
greater than the original area, while the area of web pla-
te ¼ 270 1.6 ¼ 432 cm 2 can be compensated by two web splice plates hav-
ing cross-sectional area of 2 260 1.0 cm 2 with a total area of 520 cm 2 ,
which is governed by the minimum thickness (10 mm) of plates used in rail-
way steel bridges. The top row of bolts in the web (see Figure 4.158 )is