. , .. , /3:
ρd. . = ρs / (1+0 ), (1.5)
ρs , /3; 0 , , ;
0 = (∆ ∆0), (1.6)
∆ = ∆0 = (. 1.3), /-- /; , , , σ = σ + σγ; σ = σ + σ; σ, σ, σγ , ; , , , 1,1 1,6 .
, . σ σ .
:
σγ= .i h i (1.7)
γ. i i , / ,
h i , .
γ. i = (γ i -1 + γ i)/2 (1.8)
γ i -1 γ i (i -1)- i - , /3.
:
γ = ρ d (1+ W)g (1.9)
W , , g , g = 9,81 / .
(1.7)-(1.9) .
.1.3 .
1.3.2. .
.1.4 , , , 0,35 :
= (1.10)
= 401,67 + 0,7/2 387,75 = 14,27
Hp= h = 14,27 0,7 = 13,57
.
:
|
|
(1.11)
P 70, (220 ); /1/.
n (3); /., 1/;
l , (4,3 ); /., 1/;
b0 , (2,75 ).
=(1,3*220*3)/(4,3*2.75) = 72,56
= 80 , .
1.5 /1/ , IV 50 .
1.4 .