Civil Engineering Reference
In-Depth Information
Shearing Force Due to Dead and Live Loads with Dynamic Effect
Added (Q
D+L+F
)
Q
D+L+
F
¼Q
D
:
L
:
g
g
+
FQ
L
:
L
:
g
q
¼
414
1
:
2+1
:
139
1713
:
8
1
:
45
¼
3327
:
2kN
Design Bending Moment (M
Ed
) and Shear Force (Q
Ed
)
M
Ed
¼M
D+L+
F
¼
24,032 kNm
Q
Ed
¼Q
D+L+
F
¼
3327
:
2kN
Design of the Main Plate Girder Cross Section
Let us assume the main plate girder cross section shown in
Figure 4.16
.
The
cross section consists of two flange plates for the upper and lower flanges and
a web plate. The web plate height is taken as equal to
L
/10
¼
30,000/
10
¼
3000 mm, with a plate thickness of 16 mm. The width of the bottom
56
3
0.4×95
= 38
28.4
1.6
60
Figure 4.16 Reduced cross-section of plate girder.
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