Design Examples of Steel and Steel-Concrete Composite Bridges - Finite Element Analysis and Design of Steel and Steel-Concrete Composite Bridges - page 349

2500

250

100

200

30

500

1740 mm

16

30

700 mm

Figure 4.116 Cross section at supports of the composite plate girder.

Equivalent section
of concrete slab

417 mm

A 5
A 4
A 3

250

200 s 83 s

597 mm

30

500

x

x

1740 mm A 2

1653 mm

16

x 1 A 1 x 1

30

700 mm

Figure 4.117 Calculation of shear forces at supports of the composite plate girder using
elastic analysis.

E s ¼ 210,000MPa
E cm ¼ 35000MPa Short term ð Þ

210,000
35,000 ¼ 6

Modular ratio a c ¼