202
1. ;
2. , h 2,0 ;
3. , b 1,0 ;
4. , l 1,4 ;
5. ;
6. , g 1500 .
1.1.
. 1.1 -
1 ; 2 ; 3 ;
4 ; 5 ;
6 ; 7 ;
b, , l, , . , , , .
, - , . 2.1.1.
- (. 1) q:
| (1) |
g ;
b , b;
.
. 2.1.1 - .
- q, / (. 2) P, 1300, . . 1.3.2 28012-89 (. 3).
| (2) |
| (3) |
| (4) |
(. 5).
| (5) |
, . 6:
| (6) |
:
m , m = 0,85 (. 4 II-25-80);
R 2- , R = 13 (. 3, II-25-80).
b x t = 100 x 32 . 6, . ..
.
- q (. 7,9).
| (7) |
:
- 1*104 . . 3.5, II-25-80;
I - , 4. . 8:
| (8) |
| (9) |
| (10) |
.
|
|
|
.. , b x t = 100 x 32.
- (. 11):
| (11) |
:
b ,
l ,
, /3.
, - q (. 2.2.1).
. 2.2.1
. 12:
| (12) |
100 . , . 13:
| (13) |
:
m , m = 0,85 (. 4 II-25-80);
R 2- , R = 13 (. 3, II-25-80).
b x h = 100 x 150 .
, N . 14:
| (14) |
- .
. II-25-80 . . 15:
| (15) |
.
1.
. 16:
| (16) |
.17:
| (17) |
, c . 18:
| (18) |
= 8. ,
. 19:
| (19) |
. 20:
| (20) |
. 21:
| (21) |
: 
, 1;
- , .
λ>75, . II-25-80 . 22:
| (22) |
. 23:
| (23) |
, 2.
2.
24.:
| (24) |
. 25:
| (25) |
. 26:
| (26) |
. 27:
| (27) |
= 9. ,
. 28:
| (28) |
. 29:
|
|
|
| (29) |
. 30:
| (30) |
λ>75, . II-25-80 . 31:
| (31) |
. 32:
| (32) |
, 9 .
