Civil Engineering Reference
In-Depth Information
Table 9.1
Graphs for curvature coefficients
s
,
and
cs
for rectangular reinforced con-
crete sections (Figs. F.1 to F.10)
Parameters
Figure number
Coefficient
d
/
h
d
′
/h
in Appendix F
1.0
0.9
0 to 0.2
-
F.1
s1
0.8
1.0
0.9
0 to 0.2
-
F.2
s2
0.8
1.0
1.0
0 to 0.2
2.0
F.3
3.0
4.0
1.0
0.9
0 to 0.2
2.0
F.4
1
3.0
4.0
1.0
2.0
0.8
0 to 0.2
3.0
F.5
4.0
1.0
0
2.0
F.6
3.0
4.0
1.0
2.0
0.8 to 1.0
0.1
3.0
F.7
2
4.0
1.0
0.2
2.0
F.8
3.0
4.0
1.0
any
0.8
0 to 0.2
value
F.9
cs1
0
0.8 to 1.0
2.0
F.10
cs2
0.2
Note
: The value of some parameters is indicated by a range for which the graph may be employed. For
preparation of the graphs, the value at the middle of the range is used in the calculations.
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