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L stalp = 2200 mm f y = 235 N/mm2 A = 28.5 cm2 I y = 1940.0 cm4 l f = 0.7 E = 210000 N/mm2 i y = 82.6 mm I z = 142.0 cm4 L cr = 1540 mm G = 81000 N/mm2 i z = 22.4 mm I t = 7.0 cm4 λ 1 = 93.9 W pl,y = 221.00 cm3 I w = 12990.0 cm6 W pl,z = 44.60 cm3 y - y λ y = 18.6 λ barat = α = 0.21 Φ y = 0.520 χ y = 1.000 χ y = 1.000 N b,Rd = N Ed /N b,Rd = z - z λ z = 68.8 λ barat = α = 0.34 Φ z = 0.858 χ z = 0.765 χ z = 0.765 N b,Rd = N Ed /N b,Rd = 1.0 669.75 kN 0.004 < 120 0.732 curba b de flambaj Verificarea la flambaj din compresiune < 120 0.199 curba a de flambaj 1.0 512.56 kN 0.006 OK OK

Calcul Stalp IPE - Verif Flambaj

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verif flambaj IPE

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  • Lstalp = 2200 mm fy = 235 N/mm2 A = 28.5 cm2 Iy = 1940.0 cm4

    lf = 0.7 E = 210000 N/mm2 iy = 82.6 mm Iz = 142.0 cm4

    Lcr = 1540 mm G = 81000 N/mm2 iz = 22.4 mm It = 7.0 cm4

    1 = 93.9 Wpl,y = 221.00 cm3 Iw = 12990.0 cm6

    Wpl,z = 44.60 cm3

    y - y

    y = 18.6 barat =

    = 0.21

    y = 0.520 y = 1.000 y = 1.000

    Nb,Rd = NEd/Nb,Rd =

    z - z

    z = 68.8 barat =

    = 0.34

    z = 0.858 z = 0.765 z = 0.765

    Nb,Rd = NEd/Nb,Rd =

    1.0

    669.75 kN 0.004

    < 120 0.732

    curba b de flambaj

    Verificarea la flambaj din compresiune

    < 120 0.199

    curba a de flambaj

    1.0

    512.56 kN 0.006

    OK

    OK