Losa Maciza en 2 Direcciones
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Transcript of Losa Maciza en 2 Direcciones
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SELECCIN Caso 1 Caso 2 Caso 3 Caso 4 Caso 5 Caso 6Caso 6
Indicar Longitudes PropiedadesLa = 9.00 m 0.82 f'c = 210Lb = 11.00 m 0.90 fy = 4200
25.0 cm DISEO"e" a usar = 25.0 cm
rec. = 3.0 cm Direccin Corta
Centro de LuzCARGAS As = 6.4Carga Muerta
P. prop. = 600 CM = 1.40 Borde ContnuoP. term. = 100 CV = 1.70 As = 13.3
P. tab. = 200 1600Borde Discontnuo
Carga Viva As = 2.1S/C = 200
Direccin LargaMOMENTOS PARA LA FRANJA CENTRAL Centro de LuzMomentos en bordes Contnuos As = 5.2
Ma = 10238.4 kg-mMb = 0.0 kg-m Borde Contnuo
As = 0.0Momentos Positivos
Borde Discontnuo
3980.3 kg-m As = 1.71156.7 kg-m5137 kg-m 2.0
3201.7 kg-m
1028.5 kg-m CORTE4230 kg-m
Direccin CortaMomentos en bordes Discontnuos Vu = 3960 kg Ok
Ma = 1712 kg-m 14362 kgMb = 1410 kg-m
mcalculado = kg/cm2maproximado = kg/cm2
e sugerido =
cm2/m
kg/m2
kg/m2 cm2/mkg/m2 qu = kg/m2
cm2/mkg/m2
cm2/m
cm2/m
Ma CM = cm2/mMa CV =
Asmn = cm2/m
Mb CM =
Mb CV =
Vc =
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Caso 7 Caso 8 Caso 9
LOSA MACIZA EN 2 DIRECCIONES1/2" @ 20
5/8"
@15
5/8" @ 15
1/2"
@203/8" @ 33
3/8"@41 3/8"@419.00 m
1/2"@241/2" @ 24
1/2" @ #DIV/0!
3/8"
@33
3/8" @ 41
11.00 m
Ok
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9.00 m
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SELECCIN Caso 1 Caso 2 Caso 3 Caso 4 Caso 5 Caso 6Caso 1
Indicar Longitudes PropiedadesLa = 7.10 m 0.77 f'c = 210Lb = 9.25 m 0.80 fy = 4200
20.4 cm viguetas @ = 40 cm## 541.6"e" a usar = 35.0 cm Peso x lad. = 10.0 kg### 450.3
rec. = 3.0 cm 10 cm
DISEOCARGASCarga Muerta Direccin Corta
P. prop. = 541.60 CM = 1.40 Centro de LuzP. term. = 100 CV = 1.70 As = 1.44
P. tab. = 200 607.3 kg/mBorde Contnuo
Carga Viva As = ###S/C = 200
Borde DiscontnuoMOMENTOS PARA LA FRANJA CENTRAL As = 0.64Momentos en bordes Contnuos
Ma = kg-m Direccin LargaMb = kg-m Centro de Luz
As = 1.00Momentos Positivos
Borde Contnuo
1330.4 kg-m As = ###383.9 kg-m1714 kg-m Borde Discontnuo
As = 0.44927.5 kg-m
267.6 kg-m 0.771195 kg-m 3.09
Momentos en bordes DiscontnuosMa = 571 kg-mMb = 398 kg-m
mcalculado = kg/cm2maproximado = kg/cm2
e sugerido =
bw vigueta =
kg/m2
kg/m2 cm2
kg/m2 qu =
cm2
kg/m2
cm2
cm2
Ma CM = cm2
Ma CV =
cm2
Mb CM =
Mb CV = Asmn (-)= cm2
Asmn (+)= cm2
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Caso 7 Caso 8 Caso 9
LOSA ALIGERADA EN 2 DIRECCIONES
13/
8"1/2"2 1/2"
5/8"2
1/2"### 5/8"
13/8" 13/8"3/8" 7.10 m
1 3/8" 23/8"
3/8"2 3/8"
13/
8"
1/2"
### 1/2"9.25 m
3/8"1 3/8"
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Tabla 1:Coeficientes para momentos negativos en losas######
Relacin Caso 1 Caso 2 Caso 3 Caso 4 Caso 5 Caso 6
m=La/Lb
1.00Ca,neg 0.045 0.050 0.075 0.071
1.00 Cb, neg 0.045 0.076 0.050
0.95Ca,neg 0.050 0.055 0.079 0.075
0.95 Cb, neg 0.041 0.072 0.045
0.90Ca,neg 0.055 0.060 0.08 0.079
0.90 Cb, neg 0.037 0.070 0.040
0.85Ca,neg 0.060 0.066 0.082 0.083
0.85 Cb, neg 0.031 0.065 0.034
0.80Ca,neg 0.065 0.071 0.083 0.086
0.80 Cb, neg 0.027 0.061 0.029
0.75Ca,neg 0.069 0.076 0.085 0.088
0.75 Cb, neg 0.022 0.056 0.024
0.70Ca,neg 0.074 0.081 0.086 0.091
0.70 Cb, neg 0.017 0.050 0.019
0.65Ca,neg 0.077 0.085 0.087 0.093
0.65 Cb, neg 0.014 0.043 0.015
0.60Ca,neg 0.081 0.089 0.088 0.095
0.60 Cb, neg 0.010 0.035 0.011
0.55Ca,neg 0.084 0.092 0.089 0.096
0.55 Cb, neg 0.007 0.028 0.008
0.50Ca,neg 0.086 0.094 0.090 0.097
0.50 Cb, neg 0.006 0.022 0.006
Ca,neg 0.079 Ca,negCb, neg Cb, neg
Tabla 2:Coeficientes para momentos positivos debidos a carga muerta en losas
Relacin Caso 1 Caso 2 Caso 3 Caso 4 Caso 5 Caso 6
m=La/Lb
1.00Ca,dL 0.036 0.018 0.018 0.027 0.027 0.033
1.00 Cb, dL 0.036 0.018 0.027 0.027 0.018 0.027
0.95Ca,dL 0.040 0.020 0.021 0.030 0.028 0.036
0.95 Cb, dL 0.033 0.016 0.025 0.024 0.015 0.024
0.90Ca,dL 0.045 0.022 0.025 0.033 0.029 0.039
0.90 Cb, dL 0.029 0.014 0.024 0.022 0.013 0.021
0.85Ca,dL 0.050 0.024 0.029 0.036 0.031 0.042
0.85 Cb, dL 0.026 0.012 0.022 0.019 0.011 0.017
0.80Ca,dL 0.056 0.026 0.034 0.039 0.032 0.045
0.80 Cb, dL 0.023 0.011 0.020 0.016 0.009 0.015
0.75Ca,dL 0.061 0.028 0.040 0.043 0.033 0.048
0.75 Cb, dL 0.019 0.009 0.018 0.013 0.007 0.012
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0.70Ca,dL 0.068 0.030 0.046 0.046 0.035 0.051
0.70 Cb, dL 0.016 0.007 0.016 0.011 0.005 0.009
0.65Ca,dL 0.074 0.032 0.054 0.050 0.036 0.054
0.65 Cb, dL 0.013 0.006 0.014 0.009 0.004 0.007
0.60Ca,dL 0.081 0.034 0.062 0.053 0.037 0.056
0.60 Cb, dL 0.010 0.004 0.011 0.007 0.003 0.006
0.55Ca,dL 0.088 0.035 0.071 0.056 0.038 0.058
0.55 Cb, dL 0.008 0.003 0.009 0.005 0.002 0.004
0.50Ca,dL 0.095 0.037 0.080 0.059 0.039 0.061
0.50 Cb, dL 0.006 0.002 0.007 0.004 0.001 0.003
Ca,dL 0.039 Ca,neg 0.056Cb, dL 0.021 Cb, neg 0.023
Tabla 3:Coeficientes para momentos positivos debidos a carga viva en losas
Relacin Caso 1 Caso 2 Caso 3 Caso 4 Caso 5 Caso 6
m=La/Lb
1.00Ca,LL 0.036 0.027 0.027 0.032 0.032 0.035
1.00 Cb, LL 0.036 0.027 0.032 0.032 0.027 0.032
0.95Ca,LL 0.040 0.030 0.031 0.035 0.034 0.038
0.95 Cb, LL 0.033 0.025 0.029 0.029 0.024 0.029
0.90Ca,LL 0.045 0.034 0.035 0.039 0.037 0.042
0.90 Cb, LL 0.029 0.022 0.027 0.026 0.021 0.025
0.85Ca,LL 0.050 0.037 0.040 0.043 0.041 0.046
0.85 Cb, LL 0.026 0.019 0.024 0.023 0.019 0.022
0.80Ca,LL 0.056 0.041 0.045 0.048 0.044 0.051
0.80 Cb, LL 0.023 0.017 0.022 0.020 0.016 0.019
0.75Ca,LL 0.061 0.045 0.051 0.052 0.047 0.055
0.75 Cb, LL 0.019 0.014 0.019 0.016 0.013 0.016
0.70Ca,LL 0.068 0.049 0.057 0.057 0.051 0.060
0.70 Cb, LL 0.016 0.012 0.016 0.014 0.011 0.013
0.65Ca,LL 0.074 0.053 0.064 0.062 0.055 0.064
0.65 Cb, LL 0.013 0.010 0.014 0.011 0.009 0.010
0.60Ca,LL 0.081 0.058 0.071 0.067 0.059 0.068
0.60 Cb, LL 0.010 0.007 0.011 0.009 0.007 0.008
0.55Ca,LL 0.088 0.062 0.080 0.072 0.063 0.073
0.55 Cb, LL 0.008 0.006 0.009 0.007 0.005 0.006
0.50Ca,LL 0.095 0.066 0.088 0.077 0.067 0.078
0.50 Cb, LL 0.006 0.004 0.007 0.005 0.004 0.005
Ca,dL 0.042 Ca,neg 0.056Cb, dL 0.025 Cb, neg 0.023
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Caso 7 Caso 8 Caso 9
0.033 0.061 1 5 1 60.071 0.031 0.033 2 10 2 11
0.038 0.065 3 15 3 160.067 0.056 0.029 4 20 4 21
0.043 0.068 5 25 5 26 Var Diam Area0.062 0.052 0.025 6 30 6 31 6 mm 0.60 0.28
0.049 0.072 7 35 7 36 8 mm 0.80 0.500.057 0.046 0.021 8 40 8 41 3/8" 0.95 0.71
0.055 0.075 9 45 9 46 1/2" 1.27 1.270.051 0.041 0.017 5/8" 1.59 1.98
0.061 0.078 3/4" 1.91 2.850.044 0.036 0.014
0.068 0.0810.038 0.029 0.011
0.074 0.0830.031 0.024 0.008
0.080 0.0850.024 0.018 0.006
0.085 0.0860.019 0.014 0.005
0.089 0.0880.014 0.010 0.003
Caso 7 Caso 8 Caso 9
0.027 0.020 0.023 1 5 1 60.033 0.023 0.020 2 10 2 110.031 0.022 0.024 3 15 3 160.031 0.021 0.017 4 20 4 210.035 0.025 0.026 5 25 5 260.028 0.019 0.015 6 30 6 310.040 0.029 0.028 7 35 7 360.025 0.017 0.013 8 40 8 410.045 0.032 0.029 9 45 9 460.022 0.015 0.0100.051 0.036 0.0310.020 0.013 0.007
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0.058 0.040 0.0330.017 0.011 0.0060.065 0.044 0.0340.014 0.009 0.0050.071 0.048 0.0360.012 0.007 0.0040.081 0.052 0.0370.009 0.005 0.0030.089 0.056 0.0380.007 0.004 0.002
Caso 7 Caso 8 Caso 9
0.032 0.028 0.030 1 5 1 60.035 0.030 0.028 2 10 2 110.036 0.031 0.032 3 15 3 160.032 0.027 0.025 4 20 4 210.040 0.035 0.036 5 25 5 260.029 0.024 0.022 6 30 6 310.045 0.040 0.039 7 35 7 360.026 0.022 0.020 8 40 8 410.051 0.044 0.042 9 45 9 460.023 0.019 0.0170.056 0.049 0.0460.020 0.016 0.0130.063 0.054 0.0500.017 0.014 0.0110.070 0.059 0.0540.014 0.011 0.0090.077 0.065 0.0590.011 0.009 0.0070.085 0.070 0.0630.009 0.007 0.0060.092 0.076 0.0670.007 0.005 0.004
MENUMACIZA EN 2 DIRECCIONESALIGERADA EN 2 DIRECCIONESTABLA