• Author / Uploaded
• mauricio arce erquicia

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DISEÑO DE VIGA ϒc= ϒs= ϒf=

1.5 1.15 1.6

fyk (kg/cm²)= fyd (kg/cm²)=

4600 4000

μlim= 0.266 rec (cm)= ωlim= 0.33 ρ= 0.003

2

Tramo M (T-m) Md (kg-cm) fck (kg/cm²) fcd (kg/cm²) b (cm) h (cm) ɸp (cm) ɸe (cm) d (cm) d' (cm) A-B

-10.5

1680000

210

140

25

40

1.6

0.6

36.6

3.4

B-C

8.15

1304000

225

150

25

40

1.6

0.6

36.6

3.4

4.21

673600

225

150

25

40

1.6

0.6

36.6

3.4

DISEÑO DE VIGAS A FLEXION

S.S.A. ω

S.D.A.

μ

Tipo sección

0.35833

S.D.A.

0.5133 16.439 0.101782 0.431782 13.828

0.25959

S.S.A

0.3197

10.97 -0.00707 0.322931 11.081

-0.243

0.13409

S.S.A

0.1468

5.036 -0.14541 0.184585

-4.99

As+ (cm²)

ω'

ω

As+ min (cm²) As+ (cm²)

As+ (cm²) As- (cm²) As- min (cm²)

6.334

3.26

2.745 0.915 2.745 0.915 2.745 0.915

Usar

As- (cm²)

13.828 3.26 10.97 0.915 5.036 0.915

3 1 3 1 1 1

ɸ ɸ ɸ ɸ ɸ ɸ

20 12 20 12 20 8

As+ dis (cm²)

Usar + + + + + +

As- dis (cm²)

3 2 2 2 2 1

ɸ ɸ ɸ ɸ ɸ ɸ

16 12 16 10 16 8

15.457 3.393 13.446 2.702 7.163 1.005

OK OK OK OK OK OK

DISEÑO DE ϒc= ϒs= ϒf=

1.5 1.15 1.6

fyk (kg/cm²)= fyd (kg/cm²)=

4600 4000

μlim= ωlim= ρ=

0.266 rec (cm)= 0.33 0.003

2

CONTRIBUCION DEL H° Tramo V (T) Vd (x=a) (T) 13 10 A-B 18.41 15.41 13 10 B-C 18.41 15.41

25

d (cm) 36.6

Vc (T)

140

h (cm) 40

Vcu (T)

16

5.413

3.383 R. Estribos

24.656 16

140 150

25 25

40 40

36.6 36.6

5.413 5.603

3.383 R. Estribos 3.502 R. Estribos

24.656

150

25

40

36.6

5.603

3.502 R. Estribos

Vd (T)

fcd (kg/cm²) b (cm)

Requiere estribos

DISEÑO DE VIGAS A CORTE

ESTRIBOS DE CALCULO ESTRIBOS MINIMOS L (m) ɸ (cm) Av (cm²) Vsu (T) S (cm) 0,85*d 3*b 30 cm Smax (cm) Vsu max (T) Vu max (T) V max (T) Estribos 8 1.005 10.587 12.508 31.11 75 30 30 4.414 9.827 6.14188 E.Calculo 6 8 1.005 19.243 6.8814 31.11 75 30 30 4.414 9.827 6.14188 E.Calculo 8 1.005 10.397 12.736 31.11 75 30 30 4.414 10.017 6.26063 E.Calculo 6 8 1.005 19.053 6.95 31.11 75 30 30 4.414 10.017 6.26063 E.Calculo

Usar

X (V=0)

2.6 3.68 2.6 3.68

ɸ ɸ ɸ ɸ ɸ ɸ

8 8 8 8 8 8

c/ c/ c/ c/ c/ c/

12 30 6 12 30 6

en en en en en en

1.372 2.176 2.452 1.348 2.224 2.429