Civil Engineering Reference
In-Depth Information
25 cm
2.4
x
x
1.6
25 cm
22
22
2.4
Figure 4.148 Load bearing web stiffeners at supports.
maximum reaction at
supports
(
N
Ed
¼R
D+L+
F
), which is equal
to
3132.8 kN. The design procedures can be performed as follows:
N
Ed
N
b
,
Rd
1
:
0
wAf
y
g
M1
A¼
2
25
2
where
N
b
,
Rd
¼
24 cm
2
:
4+46
:
4
1
:
6
¼
194
:
¼
27,492
6
3
4
25
3
3
2
6cm
4
I
x
¼
46
:
4
1
:
=
12 + 2
2
:
=
12 + 60
13
:
:
1
p
F
2
w¼
but
w
1
:
0
l
2
F
+
h
i
+
l
2
F¼
0
:
51+
a l
0
:
2
s
Af
y
N
cr
l¼
p
2
14
2
6
10
4
EI
L
2
3
:
210,000
27,492
:
N
cr
¼
¼
¼
19,521,217N
5400
2
r
194
:
24
100
275
19,521,217
l¼
¼
0
:
523
¼
0
523
2
F¼
0
:
51+0
:
49 0
ð
:
523
0
:
2
Þ
+0
:
:
716
¼
0
523
2
F¼
0
:
51+0
:
49 0
ð
:
523
0
:
2
Þ
+0
:
:
716
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