Civil Engineering Reference
In-Depth Information
Bridge Input Parameters
Effective Width Calculation
Full Girder Width
Span L =
152
ft
L eff /4 =
342
12 t + max( b f /2, t w ) =
Slab t =
10
in
full S (in) =
127
120
Girder S =
10
ft
S =
120
Haunch =
2
in
22
in
Top flange
14
x
2
in
Web
0.75
x
45
in
Bot flange
16
x
2
in
Total steel D
49
in
(a)
Ad 2
d
I 0
Section
A
d b
Ad b
Top flange
28
48
1344
24.50
16810.66
9.333333
Web
33.75
24.5
826.875
1.00
33.93
5695.313
Bot flange
32
1
32
−22.50
16196.16
10.66667
Sum
93.75
2202.875
33040.749
5715.313
y top =
y bot =
23.50
in
25.50
in
I x = I 0 + Ad 2 =
38756.06
in 4
S top =
S bot =
1519.69
in 3
in 3
1649.38
(b)
Figure 7.25 (a) Demonstration of the 2D beam section properties at the interior pier location. (b) Section properties ( Ininity). Highlighted
areas are input items. (Continued)
Search WWH ::




Custom Search