Civil Engineering Reference
In-Depth Information
Column by Darby et al. (2011)
900
Darby et al. Column
Experimental
800
700
600
500
400
300
200
100
0
0
50
100
150
200
Bending Moment (kip-ft)
FIGURE 7.26
Confined interaction diagram according to ACI 440.2R-08 for column SC2
tested by Darby et al. (2011).
Point D:
P
=
0kips,
M
=
86.375 kip-ft
nD
,
nD
,
When comparing Figures 7.26 and 7.27, it is evident again that the ACI 440.2R-
08 procedure is more conservative compared to that of KDoT Column Expert
procedure.
SC2
1200
1000
800
600
400
200
0
0
20
40
60
80
100
120
140
160
Resultant Moment (kip.ft)
FIGURE 7.27
Confined interaction diagram according to KDOT Column Expert for col-
umn SC2 tested by Darby et al. (2011).
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