5
| , .- | ||||
| 1000 | ||||
| -1 | -2 | |||
| (6,0-7,5 ) | 0,30 | 6,0 | 19,80 | 4,80 |
6
4
| 4 | ||||
| 100 | 1,10 | 1,10 | ||
5 , , 0,9 .
7
| 2,0 | |
| 1,0 | |
| 0,6 | |
| -1 | 1,0 |
| -1 | 0,8 |
| -2 | 1,0 |
| -2 | 0,9 |
:
t = t 
2 4 = 0,30 × 1,15 × 1,10 × 1,0 = 0,37 .-
-1
t1 = t 
2 4 = 6,0 × 1,15 × 1,10 × 0,8 = 6,07 .-
t2 = t 
2 4 = 19,80 × 1,15 × 1,10 × 1,0 = 25,04 .-
t = t 
1 2 3 4 5 n = 4,80 × 1,2 × 1,15 × 1,2 × 1,10 × 0,9 × 1,0 = 7,86 .-/1000
t , t , t , t - .
N i :
= N t=20337 × 0,37 = 7524 .-
1 = N 1 t1=134 × 6,07 = 814 .-
2 = N 2 t2=112 × 25,04 = 2804 .-
= 0,3 2 = 0,3 × 25,04 × 124 × 2 = 1862 .-
2 = 2804 + 1862 = 4666 .-
= 
= 
= 33568
= (0,25-0,30) S =0,25 × (7524 + 814 + 2804 + 33568) = 11177 .-
1.4.
= 24 ( + - ) = 24 (12 + 1 2) = 13 .
|
|
|
- ;
- ;
- .
-1 , -2 .
R = 
= 
= 12,92
R-1 = 
2000
R-2 = 
2400
- , ;
- .
-1 . , . .
t = 
7
-1 .
t-1 = 
6,25
-2 , 90% -2, 10% - .
t-2 = 
440
ti - i , .-;
n - , ;
t3 - ( 0,6 1,5 ).
n = 
0,54
( n = 1 );
n -1 = 
0,003 1
-2
n -2 = 
0,20 1
n = 
= 10,51 11
- , , .-;
s - , (s = 1,21,5);
- , - ;
h - ( h = 0,750,90);
n - .
L = L + ( 1) = 3 × 6,36 + 1,2 (3 1) = 21,48
L = L + 2(L + ) = 21,48 + 2 (6,36 + 1,2) = 36,6
1.5 ,
:
F = fcitroen n = 12,82 × 1 × 4 = 51,28 2
F-1 = fcitroen n-1 = 12,82 × 1 × 4 = 51,28 2
F-2 = fcitroen n-2 = 12,82 × 1 × 4 = 51,28 2
F = fcitroen n = 12,82 × 11 × 4 = 564,1 2
f - , ( ), 2 ;
n - ;
- 1 2 , ( = 45).
:
L i = L = 34442 × 124 = 4,27 .
F = L i f 1 2 3 = 4,27×0,76 ×1,20 ×1,0=3,89 2 .
1.6.
8
| . . | () | |||
| , | 2 / | |||
| 2. | , | 2 / | ||
| 3. | , | 2 / | ||
| 4. | , | 2 / | ||
| 5. | , : - ; - 1; - 2; - | 2 / | ||
| 6. | , : - ; - 1; - 2; - | 2 / | ||
| 7. | , : - ; - 1; - 2; - | 3 / | ||
| 8. | , : - ; - 1; - 2; - | 3 / | ||
| , : - ; - 1; - 2; - | ./ | |||
| , : - ; - 1; - 2; - | ./ |
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