Design Examples of Steel and Steel-Concrete Composite Bridges - Finite Element Analysis and Design of Steel and Steel-Concrete Composite Bridges - page 329

550 mm 550 mm

Joint J 4

U 3

U 4

450 mm 450 mm

D 4

Cover plate = 550 × 36
2 Web plate = 450 × 24
Lower flange plate = 400 × 36

V 4

400 mm

400 mm

Cover plate = 550 × 30
2 Web plate = 450 × 20
Lower flange plate = 400 × 30

400 mm

350 mm

350 mm

400 mm

2 Flange plate = 350 × 14
Web plate = 372 × 10

2 Flange plate = 350 × 16
Web plate = 368 × 12

550 mm

450 mm

R = 20 mm

400 mm

Minimum 15°

400 mm

Figure 4.96 Details and drawings of the main truss joint J 4 .

Number of Bolts for the Vertical Member V 4
N V ðÞ¼

F Ed
F s , ult ¼

:

2226 1

103 ¼ 21

: 6 bolts, taken as 24 bolts (12 bolts in each side

acting in single shear)

Number of Bolts for the Diagonal Member D 4
N D ðÞ¼

F Ed
F s , ult ¼

2850 8

103 ¼ 27

:

: 8 bolts, taken as 32 bolts (16 bolts in each side

acting in single shear)