DSC00120 4

_tg<p = 0,602    tg8 = ~~^SŁ = 0,018    iii = 003

^Ni    tg<D

|||⁰

N„= 20,70 N_c =32,80 N_B=8,95 pi” = 1.71 Pd’= 1.52    p, * 1,52

D «»14.45m

i_B = 0,99 i_c = 0,98 i_D = 0,99

Q|nb = ⁴-⁹'⁶'⁴³'I[i^{1 +} °>³ $)• 32,80• 0■ 0,98 + (1 +1,5-^)• 20,70• 1,52• 10• 4,45• 0.98 +

+(1 - 0,25 ■    • 8,95-1,71-4,9-0,99-10] =

= 31,51 ■ [0 + 2940,62 + 600,98] = 111595,82kN

Sprawdzenie I-go stanu granicznego.

Nj = 6005,56kN < m-O^ =0,81-111595,82j90392,60kN 11 zestaw obciążeń.

Ni₁ = N_n + B^,-i:-h.p⁽h^r).g

N„ = 2486,71 + 4,9 • 6,43 • 3,45 • 2,0 • 10 = 4660,69kN

' _ N_u *Hmnx ^L2“ N

2486,71 0,8+40 -3,45 _A ,,

e,, =-= 0.46m

4660,69

L = L-2-e'_1J = 6,43 + 2 • 0,46 = 7,35m B = B =4,9m

B = B = 4,9m tg® = 0,602 tg6 = ^^fflK- = 0,018    -%- = 0,03

N,    tg®

L = L-2-e = 46,43-2-0,46 = 7,35m C_u=0 N₀ = 20,70 N_c = 32,80 N „ = 8.95 Pb’=1,71    p^» = 1,52

^DM=4,45m

*_B = 0,99 i_c =0,98 i_D = 0,99

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