Civil Engineering Reference
In-Depth Information
Figure 16.6
A flat-plate floor
slab.
For Exterior Panel
Assume
h
7 in. and compute
with reference made to Figure 16.7(a). Centroid of cross-hatched
beam section located by statics 6.55 in. from top.
1
3
1
3
1
3
I
b
(20)(6.55)
3
(12)(8.45)
3
(8)(0.45)
3
4287 in.
4
1
12
(102)(7)
3
2915.5
I
s
See Figure 16.7(b)
EI
b
(
E
)(4287)
(
E
)(2915.5)
1.47
0.8
EI
s
This is an edge beam as defined in footnote in Table 16.1.
33
20
1
12
Min
h
n
0.566 ft
6.79 in.
33
Try 7 in.
C
L
of panel
6
"
16ft
2
columns 16
'
on center
6
"
+
= 102
"
h
= 7
"
h
= 7
"
h
w
= 8
"
(b) Slab dimensions
hw
≤ 4h
use 8
"
12
"
(a) Edge beam dimensions
Figure 16.7
