Page 109 - UAGRM - FCET - Estructuras Metálicas

Estructuras Metálicas Tecnología Hoy

Angulo de alas iguales, perfil Brasilero: xg = yg = centro de gravedad z = eje principal de inercia

bxpeso b t A Ix = Iy Wx = Wy rx = ry r r xg, yg
Pulg/kgs. cm cm cm2 cm4 cm3 cm max. min. cm
1/2
2 x6.10 6.40 0.635 7.68 29.10 6.40 1.95 1.24 2.45 1.83
1/2
2 x7.40 6.40 0.794 9.48 35.40 7.80 1.93 1.24 2.43 1.88
1/2
2 x8.80 6.40 0.955 11.16 40.80 9.10 1.91 1.22 2.41 1.93
3” x 9.10 7.60 0.794 11.48 62.40 11.60 2.33 1.50 2.94 2.21
3”x12.40 7.60 1.111 15.68 83.30 15.70 2.30 1.47 2.91 2.31
3”x14.00 7.60 1.270 17.74 91.60 17.50 2.27 1.47 2.86 2.36
4”x14.60 10.20 0.955 18.45 183.10 25.10 3.15 2.00 3.96 2.90
4”x19.10 10.20 1.270 24.19 233.10 32.40 3.10 1.98 3.91 3.00
4”x23.40 10.20 1.588 29.74 278.90 39.40 3.06 1.96 3.86 3.12
5”x24.10 12.70 1.270 30.65 470.30 51.90 3.92 2.49 4.95 3.63
5”x29.80 12.70 1.588 37.81 566.10 63.30 3.87 2.46 4.89 3.76
5”x35.10 12.70 1.905 44.77 653.50 73.90 3.82 2.46 4.82 3.86
6”x22.20 15.20 0.955 28.13 641.00 58.10 4.77 3.02 6.05 4.17
6”x36.00 15.20 1.588 45.87 1007.30 93.20 4.69 2.97 5.94 4.39
6”x49.30 15.20 2.222 62.77 1327.80 125.50 4.60 2.97 5.80 4.62
8”x39.30 20.30 1.270 50.00 2022.90 137.20 4.01 4.01 8.05 5.56
8”x57.90 20.30 1.905 73.81 2901.10 199.90 3.99 3.99 7.92 5.79
8”x75.90 20.30 2.540 96.77 3704.40 259.40 3.96 3.96 7.81 6.02

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