Losa Maciza en 2 Direcciones

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 =

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

9.00 m

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


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"

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


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

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


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


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


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

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


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

Losa Maciza en 2 Direcciones

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