.
, .
qH (23.22), 1/ρ (23.12). ϳ qH 1/ρ
cosαnsinαn = 0,5sin2αn
; ,
. (23.26)
WHt , (23.21)
WHt = (FHt/b) Hα, Hβ, KHv
(23.26) : ZM , ;
ZM = 275 1/2; ZM = 215 1/2; ZM = 200 1/2; ZH ; (xΣ ≠ 0) ZH , xΣ = 0) αn = 20 ZH = 1,77cosβ; Zε ; εβ ≤ 0,9 Zε, Zε = , εβ > 0,9 Zε = .
(23.26) . 1,05[σ]H ≥ σH ≥ 0,9[σ]H. , 2, ψb. , .
䳿 , .
σ max ≤ [σ] max, (23.27 )
σ max , 1 , 䳿 ;
[σ] max .
, , (23.27) :
σ max = σ . (23.28)
σ , 1 [ (23.26)].
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