losa maciza 123.xlsx
TRANSCRIPT
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8/12/2019 losa maciza 123.xlsx
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DISEO DE LOSA MACIZA h=
d=
0 6.48 6.21 0 b=
A 6.8 B 7.5 C 6.5 D
5.33 4.45 4.87
DATOS: 1) Calculo de wu
F'c= 210 k/cm2 PP. 0.48 T/m
Fy= 4200 k/cm2 sobrecarga 0.35 T/m
B= 0.85 Wu= 1.267T/m
2) Diseo
Pb= 0.02125
Pmax= 0.5Pb 0.01063 A max= 18.0625cm2
Pmin= 0.0018 Amin= 3.06 cm2
3)
Ma 0
a= 0
As= 0 cm2 31/2" 1.270
As cal.= 3.81 cm2
p= 0.00224
dis. = 33.3333 cm
Mab 5.33
a= 2.07872
As= 8.83456 cm2 43/4" 2.850
As cal.= 11.4
p= 0
dis. = 25 cm
Mb 6.48
a= 2.56644
As= 10.9074 cm2 43/4" 2.850
As cal.= 11.4
p= 0
dis. = 25 cm
Mbc 4.45
a= 1.71602
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As= 7.29308 cm2 31/2" 1.270
As cal.= 3.81
p= 0
dis. = 33.3333 cm
Mc 6.21
a= 2.45046As= 10.4145 cm2 43/4" 2.850
As cal.= 11.4
p= 0
dis. = 25 cm
Mcd 4.87
a= 1.88804
As= 8.02417 cm2 43/4" 2.850
As cal.= 11.4
p= 0dis. = 25 cm
Md 0
a= 0
As= 0 cm2 31/2" 1.270
As cal.= 3.81
p= 0
dis. = 33.3333 cm
4) Acero por contraccin / temperatura
As = As min
As= 3.06 cm2 31/2" 1.270
As cal.= 3.81
p= 0.00224
dis. = 33 cm
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8/12/2019 losa maciza 123.xlsx
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20
17
100 Barra N " Area
3 3/8" 0.71
4 1/2" 1.27
5 5/8" 1.986 3/4" 2.85
7 7/8" 3.88
8 1" 5.07
9 1 1/8" 6.41
10 1 1/4" 7.92
11 1 3/8" 9.58
12 1 1/2" 11.4
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diametro
0.953
1.270
1.5881.905
2.223
2.540
2.858
3.175
3.493
3.810