W= 3000.00 Kgf/m

6.00 m

M- 0.00 Kgf-m 0.00 Kgf-m

M+ 13500.00 Kgf-m

V 9000.00 Kgf 9000.00 Kgf

CALIBRE DE ACERO: A36M Mayor 13,500.00 Kgf-m Chequeo por seccion admisibleL Mayor 6.00 m Sx = 653.00V Mayor 9,000.00 Kgf Scal = 889.33Fy = 2,530.00 No ChequeaØ = 0.60 Chequeo por flexionFb = 1,518.00 δadm = 3.00 cmEs = 2.10E+06 δcal = 2.46 cmPerfil Selec = IPN 300 OKSx = 653.00 Chequeo por CortanteIx = 9800.00 Vadm = 1,012.00A = 54.20 Vcal = 249.08

OKComentarios:

Por: Carlos A. Saavedra

Ing. Civil

REVISION DE PERFILES METALICOS A FLEXION AISC - ASD 1999 Viga Simplemente Apoyada

cm³cm³

kgf/cm²

kgf/cm²kgf/cm²

cm³cm⁴ kgf/cm²cm² kgf/cm²

El perfil seleccionado IPN 300 No cumple con una sección resistente a momentos, Cumple por flexión y Resiste el esfuerzo de corte.

12

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

ACERO

A36

A572G50

AREA PESO

HxBxe R cm2 kgf/m Ix (cm4) Sx (cm3) rx (cm) Iy (cm4)

Vigas Unicon ECO

80 x 40 x 2.25 3.38 5.02 3.94 40.61 10.15 2.84 13.84

100 x 40 x 2.25 3.38 5.92 4.65 71.37 14.27 3.47 17.05

120 x 60 x 2.50 3.75 8.54 6.70 159.29 26.55 4.32 54.67

140 x 60 x 3.00 4.50 11.33 8.89 274.27 39.18 4.92 73.46

160 x 65 x 3.40 5.10 14.44 11.34 449.65 56.21 5.58 110.41

180 x 65 x 4.00 6.00 18.41 14.45 697.99 77.55 6.16 140.88

200 x 70 x 4.30 6.45 21.85 17.15 1,016.19 101.62 6.82 194.94

220 x 90 x 4.50 6.75 26.39 20.72 1,561.83 141.98 7.69 388.34

260 x 90 x 5.50 8.25 36.25 28.46 2,844.82 218.83 8.86 536.10

300 x 100 x 5.50 8.25 41.75 32.77 4,366.42 291.09 10.23 777.00

300 x 100 x 7.00 10.50 52.36 41.10 5,360.46 357.36 10.12 943.61

320 x 120 x 7.00 10.50 57.96 45.50 7,032.23 439.51 11.02 1,512.24

320 x 120 x 9.00 13.50 73.18 57.45 8,654.16 540.89 10.87 1,841.31

350 x 170 x 9.00 13.50 87.58 68.75 13,546.10 774.06 12.44 4,418.30

Perfiles ECO T

ECO T 80 4.97 3.91 46.25 8.84 3.04

ECO T 100 5.65 4.44 68.07 10.05 3.47

Perfiles IPN

IPN 80 6.30 78.10 19.40 3.12 7.70

IPN 100 8.32 171.00 34.20 4.01 12.20

IPN 120 11.20 328.00 54.70 4.81 21.50

IPN 140 14.40 573.00 81.90 5.61 35.20

IPN 160 17.90 935.00 117.00 6.40 54.70

IPN 180 21.90 1,450.00 161.00 7.20 81.30

IPN 200 26.30 2,140.00 214.00 8.00 117.00

IPN 240 36.20 4,250.00 354.00 9.59 221.00

IPN 300 54.20 9,800.00 653.00 11.90 451.00

FY

2530.00

3515.00

DIMENSIONES NOMINALES mm

DIMENSIONES mm

PROPIEDADES ESTATICAS

Sy (cm3) ry (cm)

6.92 1.66

8.53 1.70

18.22 2.53

24.49 2.55

33.97 2.77

43.35 2.77

55.70 2.99

86.30 3.84

119.13 3.85

155.40 4.31

188.72 4.25

252.04 5.11

306.88 5.02

519.80 7.10

1.54

1.06

3.61 0.98

4.88 1.07

7.41 1.23

10.70 1.40

14.80 1.55

19.80 1.71

26.00 1.87

41.70 2.20

72.20 2.56