Bending moment coefticients for two-way restrained slab
Type of panel and mnoments
Short span coeficlents,_
considered
Long
Values of L
span
coefilclent
1.0
1.1
1.2
1.3
1.4
1.5
1.75
2.0
S, Pay for
all values
of
Interior
panels
Negative moment at continuous
edge
Positive moment at mid-span_
One short edge discontinuous
0.037 0.042 0.046 0.050 0.053 0.059 0.063
0.024 0.028 | 0.0320.035 0.037 0.040 0.044 0.048
0.031
Negative moment at continuous | 0.039
edge
Positive moment at mid-span
long edge discontinuous
|One
Negative moment at continuous
edge
0.044
0.048
0.052
0.055 0.058 0.063.067
0.032
0.024
0.037
0.029 0.033 0.0360.039 0.041 0.0430.047 0.050
0.028
0.056|0.062 0.068 0.073
0.037
0.039
0.049
0.082
0.089
Positive
moment atmid-span0.0300.036 0.042 0.047 0.051|0.0550.062 0.067
Two adjacent edges
0.028
discontinuous
Negative moment at continuous 0.047
Positive moment at mid-span
Two short edges
discontinuous
0.056
0.063
0.069
0.074 0.078
0.093
0.045
0.036 0.042 0.047 0.051 0.055 0.059 0.065 0.070
0.034
edge
0.087
Negative moment at continuous0.046 0.050 0.054 0.057| 0.060 0.062| 0.067| O.070
edge
Positive moment at mid-span
Two long edges discontinuous
0.034 0.038 0.040 0.043 0.045 0.047 0.050 0.053|
Negative moment at continuous
0.045
edge
Positive moment at mid-span
Three
edges discontinuous
(one long edge continuous)
0.034 0.046 0.056 0.065 0.072 0.078 0.0910.100
Negative moment at conttnuous 0.057
edge
Positive moment at mid-span
0.034
0.065 0.071 0.076| 0.081 0o.084
0.034_
0.092| 0.098
0.043 0.048 0.0530.057 0.060 0.063 0.069 0.074
0.044
Three edges discontinuous
(one short edge continuous)
Negative moment at continuous
0.058
edge
Positive moment at mid-span
0.042 0.054 | 0.063 0.071 0.078 0.084 0.096 0.105
0.044
Positive moment at mid-span
0.055 0.065 0.0740.081 0.087 0.0920.103 0.111
0.056
| Four edges discontinuous