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8/13/2019 Positive Moment
1/7
positive moment in ribsclear span clear span 1 m in middle
srtip
La (short) Lb (long) m W,dl(kn/m2) W,LL percent,Dl parcent,LL L,
(a or b) M , dL
5.83 7.15 0.815385 12.168 6.4 0.039 0.048 5.83 16.12955.83 7.15
0.815385 12.168 6.4 0.016 0.02 7.15 9.9529375.83 #DIV/0! 14.196 6.4
0
5.8 6.75 0.859259 12.168 6.4 0.029 0.04 5.8 11.870615.8 6.75
0.859259 12.168 6.4 0.017 0.022 6.75 9.4248775.83 #DIV/0! 12.168
6.4 05.8 6.75 0.859259 12.168 6.4 0.029 0.04 5.8 11.870615.8 6.75
0.859259 12.168 6.4 0.017 0.022 6.75 9.424877
#DIV/0! 12.168 05.8 7.15 0.811189 12.168 6.4 0.039 0.048 5.8
15.963935.8 7.15 0.811189 12.168 6.4 0.016 0.02 7.15 9.952937
#DIV/0! 12.168 06.8 6.8 1 12.168 6.4 0.02 0.028 6.8 11.252976.8
6.8 1 12.168 6.4 0.023 0.03 6.8 12.94091
#DIV/0! 12.168 06.8 6.8 1 12.168 6.4 0.02 0.028 6.8 11.252976.8
6.8 1 12.168 6.4 0.023 0.03 6.8 12.94091
#DIV/0! 12.168 05.8 7.15 0.811189 12.168 6.4 0.039 0.048 5.8
15.963935.8 7.15 0.811189 12.168 6.4 0.016 0.02 7.15 9.952937
#DIV/0! 12.168 05.8 6.75 0.859259 12.168 6.4 0.029 0.04 5.8
11.87061
5.8 6.75 0.859259 12.168 6.4 0.017 0.022 6.75 9.424877#DIV/0!
12.168 0
5.8 6.45 0.899225 12.168 6.4 0.025 0.035 5.8 10.233295.8 6.45
0.899225 12.168 6.4 0.019 0.024 6.45 9.618165
#DIV/0! 12.168 05.8 7.6 0.763158 12.168 6.4 0.043 0.052 5.8
17.60126
5.8 7.6 0.763158 12.168 6.4 0.013 0.016 7.6 9.136708
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8/13/2019 Positive Moment
2/7
M , LL M total #rib in 1m moment fay fc` b d $
10.44139 26.57089 2 13285445 0.9 28 520 285 0.0124826.54368
16.49662 2 8248309 0.9 28 520 285 0.007749
0 0 #DIV/0! 0.9 28 520 285 #DIV/0!
8.61184 20.48245 2 10241227 0.9 28 520 285 0.0096226.4152
15.84008 2 7920038 0.9 28 520 285 0.0074410 0 #DIV/0! 0.9 28 520
285 #DIV/0!
8.61184 20.48245 2 10241227 0.9 28 520 285 0.0096226.4152
15.84008 2 7920038 0.9 28 520 285 0.007441
0 0 #DIV/0! 0.9 28 520 285 #DIV/0!10.33421 26.29814 2 13149069
0.9 28 520 285 0.0123546.54368 16.49662 2 8248309 0.9 28 520 285
0.007749
0 0 #DIV/0! 0.9 28 520 285 #DIV/0!8.286208 19.53917 2 9769587
0.9 28 520 285 0.0091798.87808 21.81899 2 10909496 0.9 28 520 285
0.01025
0 0 #DIV/0! 0.9 28 520 285 #DIV/0!8.286208 19.53917 2 9769587
0.9 28 520 285 0.0091798.87808 21.81899 2 10909496 0.9 28 520 285
0.01025
0 0 #DIV/0! 0.9 28 520 285 #DIV/0!10.33421 26.29814 2 13149069
0.9 28 520 285 0.0123546.54368 16.49662 2 8248309 0.9 28 520 285
0.007749
0 0 #DIV/0! #DIV/0!8.61184 20.48245 2 10241227 0.9 28 520 285
0.009622
6.4152 15.84008 2 7920038 0.9 28 520 285 0.0074410 0 2 0 0.9 28
520 285 0
7.53536 17.76865 2 8884324 0.9 28 520 285 0.0083476.390144
16.00831 2 8004155 0.9 28 520 285 0.00752
0 0 2 0 0.9 28 520 285 011.19539 28.79665 2 14398324 0.9 28 520
285 0.013528
5.914624 15.05133 2 7525666 0.9 28 520 285 0.007071
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8/13/2019 Positive Moment
3/7
fy omega ro As B1 a hf rectangle bw
420 0.013 0.000867 128.44 0.85 4.358824 70 ok 120420 0.008
0.000533 79.04 0.85 2.682353 70 ok 120420 0 0 0.85 0 70 ok 120
420 0.01 0.000667 98.8 0.85 3.352941 70 ok 120420 0.008 0.000533
79.04 0.85 2.682353 70 ok 120420 0 0 0.85 0 70 ok 120420 0.01
0.000667 98.8 0.85 3.352941 70 ok 120420 0.008 0.000533 79.04 0.85
2.682353 70 ok 120
420 0 0 #DIV/0! #DIV/0!420 0.0125 0.000833 123.5 0.85 4.191176
70 ok 120420 0.0083 0.000553 82.004 0.85 2.782941 70 ok 120420 0 0
0.85 0 70 ok 120420 0.01 0.000667 98.8 0.85 3.352941 70 ok 120420
0.011 0.000733 108.68 0.85 3.688235 70 ok 120
420 0 0 0.85 0 70 ok 120420 0.01 0.000667 98.8 0.85 3.352941 70
ok 120420 0.011 0.000733 108.68 0.85 3.688235 70 ok 120
420 0 0 0.85 0 70 ok 120420 0.0125 0.000833 123.5 0.85 4.191176
70 ok 120420 0.0083 0.000553 82.004 0.85 2.782941 70 ok 120
#DIV/0! #DIV/0! 0.85 #DIV/0! 70 #DIV/0! 120420 0.0105 0.0007
103.74 0.85 3.520588 70 ok 120
420 0.008 0.000533 79.04 0.85 2.682353 70 ok 120420 0.008
0.000533 79.04 0.85 2.682353 70 ok 120420 0.009 0.0006 88.92 0.85
3.017647 70 ok 120420 0.008 0.000533 79.04 0.85 2.682353 70 ok
120420 0.008 0.000533 79.04 0.85 2.682353 70 ok 120420 0.0145
0.000967 143.26 0.85 4.861765 70 ok 120
420 0.0075 0.0005 74.1 0.85 2.514706 70 ok 1200.008 #DIV/0!
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8/13/2019 Positive Moment
4/7
As,min As>As,min ro,max A
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8/13/2019 Positive Moment
5/7
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8/13/2019 Positive Moment
6/7
strip Result for positive reinforc
As>As,min As, use As,prov bars middle srtip width bars column
strino 112.86 157 2 No 10 3.6 2 No 10 1.8no 112.86 157 2 No 10 3 2
No 10 1.45no 112.86 0
no 112.86 157 2 No 10 3.4 2 No 10 1.7no 112.86 157 2 No 10 2.9 2
No 10 1.45no 112.86 0no 112.86 157 2 No 10 3.4 2 No 10 1.7no 112.86
157 2 No 10 2.9 2 No 10 1.45
no 0 0no 112.86 157 2 No 10 3.6 2 No 10 1.8no 112.86 157 2 No 10
2.9 2 No 10 1.45no 112.86 0no 112.86 157 2 No 10 3.4 2 No 10 1.7no
112.86 157 2 No 10 3.4 2 No 10 1.7
no 112.86 0no 112.86 157 2 No 10 3.4 2 No 10 1.7no 112.86 157 2
No 10 3.4 2 No 10 1.7
no 112.86 0no 112.86 157 2 No 10 3.6 2 No 10 1.8no 112.86 157 2
No 10 2.9 2 No 10 1.45
#DIV/0! #DIV/0! 0no 112.86 157 2 No 10 3.4 2 No 10 1.7
no 112.86 157 2 No 10 2.9 2 No 10 1.45no 112.86 0no 112.86 157 2
No 10 3.2 2 No 10 1.6no 112.86 157 2 No 10 2.9 2 No 10 1.45no
112.86 0no 112.86 157 2 No 10 3.8 2 No 10 1.9
no 112.86 157 2 No 10 2.9 2 No 10 1.45no 0 0
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8/13/2019 Positive Moment
7/7
ent (bottom) in mid of each rip in strip
p width bars
2 No 102 No 10
0
2 No 102 No 100
2 No 102 No 10
02 No 102 No 10
02 No 102 No 10
02 No 102 No 10
02 No 102 No 10
02 No 10
2 No 100
2 No 102 No 10
02 No 10
2 No 100
7
8
9
10
1
2
3
4
5
6
