:
(2.10)
U - .
, , U = 1;
U = 0,7... 0,8. ,
, U = 1.
( ) U = 0,7... 0,8.
U - . , U = 1,0... 1,5, U = 1,0;
r - , ;
(2.11)
d - , ; b - , ;
λ . - , . , ( ), λ = 0,85... 0,90; λ = 0,80... 0,85.
, :
, .
():
(2.12)
- ;
λ . - . 4x2 λ = 0,65...0,75; 4x2
λ = 0,50...0,60; 44 66
λ = 1,0.
, :
. .
- .
2.1 -
U ≤ 5, 8 U ≤ 7, 8 U ≤ 9.
, U ≥ 9, ( ).
2.1.6
(2.13)
|
|
|
G = 9,8 (mo +m) () , ;
Ψmax - .
4 x 2 Ψmax :
Ψmax = 0,25...0,40 Ψmax = 0,32.0,50 .
4 x 4 Ψmax = 0,600,80
, :
:
:
(2.14)
:
(2.15)
φ - ;
L , ( , . );
h , . 4 2
h =0,901,5 ; 4 4 6 6
h = 0,801,4; h = 0,500,65 .
φ = 0,600,80.
, :
, U 1 .
(2.16)
:
Vmin = 1,5... 2,0 / ;
Vmin = 2,0... 3,0 / .
