Design Examples of Steel and Steel-Concrete Composite Bridges - Finite Element Analysis and Design of Steel and Steel-Concrete Composite Bridges - page 328

550 mm 550 mm

Joint J 3

U 2

U 3

450 mm 450 mm

D 3

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

V 3

400 mm

400 mm

Cover plate = 550 × 24
2 Web plate = 450 × 16
Lower flange plate = 400 × 24

350 mm 400 mm

350 mm

400 mm

2 Flange plate = 350 × 20
Web plate = 360 × 12

2 Flange plate = 350 × 24
Web plate = 352 × 16

550 mm

450 mm

400 mm

Minimum 15°

400 mm

Figure 4.95 Details and drawings of the main truss joint J 3 .

Number of Bolts for the Diagonal Member D 3
N D ðÞ¼

1
103 ¼ 39 : 6 bolts, taken as 40 bolts (20 bolts in each side
acting in single shear)

F Ed 4086 :

F s , ult ¼

4.3.3.38 Design of Joint J 4
Joint J 4 (see Figure 4.96 ) can be designed using the same M27 high-strength
pretensioned bolts as follows.