Civil Engineering Reference
In-Depth Information
228.2 mm
17.3
12.7
xx
C
2
=
547.6
11.1
C
1
= 95.85
17.3
Figure 4.44 The cross-section of stringers (UB 610229113).
C
1
¼
95
:
85mm,
t
fl
¼
17
:
3,
C
1
=
t
fl
¼
95
:
85
=
17
:
3
¼
5
:
54
9
0
:
924
¼
8
:
316 Stringer flange is class 1
ð
Þ
C
2
¼
547
:
6mm,
t
w
¼
11
:
1,
C
1
=
t
fl
¼
547
:
6
=
11
:
1
¼
49
:
3
72
0
:
924
¼
66
:
5 Stringer web is class 1
ð
Þ
Check of Bending Resistance
3281
10
3
W
pl
f
y
g
M0
¼
275
M
c
,
Rd
¼
¼
902,275,000Nmm
1
:
0
¼
902
:
3kNm
>
M
Ed
¼
833
:
04 kNm Then O
ð
:
K
:
Þ
Check of Shear Resistance
=
p
=
p
A
v
f
y
ð
573
11
:
1
Þ
275
V
pl
,
Rd
¼
¼
¼
1,009,833N
g
M0
1
:
0
¼
1009
:
8kN
>
Q
Ed
¼
604
:
5 kN Then O
ð
:
K
:
Þ
4.3.2 Design of the Cross Girders (Lateral Floor Girders)
The cross girders (the lateral floor beams) carry concentrated loads from the
stringers as shown in
Figure 4.45
.
Therefore, the dead and live loads acting
on an intermediate cross girder can be calculated as follows:
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