| - |
| . |
| . |
| . |
2.1 T1 - , 350 *;
2.2 [σH] - , 450 ;
2.3 [σF]1 - , 220 ;
2.4 [σF]2 - , 250 ;
2.5 [σH]max- , 1960 ;
2.6 [σF]max - , 560 ;
2.7 u - 3,15;
2.8 Hβ - 1,2;
2.9 Fβ - 1,42;
2.10 ψbd-
1,25;
2.11 αω - . αω=20 .
2.12 n1 - , 125 /.
2.13 
- ,
=30...25 <350, ( 25)
=20...15 >350;
2.14 
- , , = 274 ;
2.15 
= 3,88
= 3,74 - .
| - |
| . |
| . |
| . |
3.1
= 
=99,3
d ,
d =770 
;
U - , U = 3,15;
T1 - , *, T1 = 350;
Hβ - , Hβ = 1,2;
[σH] - , , [σH] = 450;
ψbd - , ψbd = 1,25;
3.2 
=1,25 * 99,3 = 124,125
3.3
= 
= 5
310-76
1 : 1.5; 2.0; 2.5; 3; 4; 5;6; 8;10.
2 : 1.75; 2.25; 2.75; 3.5; 4.5; 5.5; 7;9.
3.4 
28,55 ( 29)
| - |
| . |
| . |
| . |
3.5 |
|
|
(4-5)% 1, (.. 3.11).
3.6 
( 91)
3.7 V, (/)
3.8
=1,73
3.9 ,
3.10 
,
=0,87
3.11
- , , 
=1,77cos(β)=1,77 ( β=0).
| - |
| . |
| . |
| . |
3.11.1 
. 5,82 
18.
.
.3.11
3.12
3.12.1 , 
3.12.2 , 
3.13
,
3.14
