Civil Engineering Reference
In-Depth Information
Ad
2
l
0
J
t
=
bt
3
/3
Section
A
d
b
Ad
b
d
b/t
Slab
130.63
140.75
18385.47
67.33
592080.98
982.41
456.81
3.08
Haunch
2.33
135.5
316.17
62.08
8991.09
0.19
2.14
0.39
Top flange
84.00
134.25
11277.00
60.83
310774.82
8958.92
15.75
0.05
31.50
Web
255.21
172.50
644.67
67.5
17226.87
−5.92
−72.67
370569.13
290.07
Bot flange
0.75
129.38
911081.54
32.34
76.67
Sum Σ =
47334.88
1831887.36
371599.83
825.74
34.97
Enclosed
A
0
19820.11
73.42
in
2
in
in
4
in
3
K
t
= 4
A
2
/Σ(
b/t
) +
J
t
in
4
1902982
61.58
29948.79
35785.33
y
bot
=
y
top
=
S
topc
=
S
top
=
in
l
x
=
l
0
+
Ad
2
=
2203487.2
35785.33
in
3
in
3
S
bot
=
(c)
d
b
Ad
b
l
0
J
t
=
bt
3
/3
Section
A
d
Ad
2
b/t
Slab
Haunch
391.88
140.75
55156.41
47.69
891302.99
2947.23
0.58
15.75
370569.13
32.34
152.27
0.71
0.05
290.07
76.67
83.27
5.50
31.50
7.00
84.00
135.5
948.50
42.44
12608.83
142524.55
166717.47
Top flange
134.25
11277.00
41.19
−25.56
Web
255.21
172.50
910.59
67.5
17226.87
Bot flange
0.75
129.38
−92.31
1469855.48
Sum Σ =
84738.15
2683009.32
373565.04
519.77
120.27
Enclosed
A
0
19820.11
in
2
in
K
t
= 4
A
2
/Σ(
b/t
) +
J
t
3023266
in
4
y
bot
=
y
top
=
S
topc
=
S
top
=
93.06
41.94
in
l
x
=
l
0
+
Ad
2
=
3056574.4
32845.65
17905.27
in
4
in
3
56664.86
72877.48
in
3
in
3
S
bot
=
Q
slab
=
in
3
(d)
Figure 8.25
(Continued) (c) Section properties (
N
=
3
n
=
24). (d) Section properties (
N
=
n
=
8).
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