ɔ
1. , ( 120 240)
2.
, /:
= Gd4 / 83i,
G , G = 7,7 ∙ 104 /2;
d , ;
,
= d,
;
i , = - 1,5; - .
8.1.
8.1.
d, | , | , | , / | ||||
3. , , . . 8.2 1 S0 .
4. , , D = 8 - 12 .
5. 8.2 ( 2) S1 , S1 - S0 = D ( 3), , ( 4):
F1 = D ∙
6. . 8.2 S0 ( 5)
8.2
/ | 璺 | |||
F = 0; S0, | --- | |||
F > 0; S1, | --- | |||
D= S1 S0, | --- | |||
F1 , | --- | |||
F = 0; S, | ||||
F > 0; S2, | ||||
S2 - S0, | ||||
F2 , | ||||
--- | --- | |||
--- | --- | |||
, % | --- | --- | ||
F ; S3, | ||||
S3 - S0, | ||||
F3 , |
7. ǒ F, :
F = 0,8 F,
, :
S2 = F /
8. . 8.2 S2 ( 6) , ( 7):
Dl = S2 - S0
Dl = S2 - S0
9. F2, ( 8): F = Dl ∙
F = Dl∙
10. : ( 9)
|
|
= (F - F) / F
11. ( 10)
= / ( + )
12. ( 11)
D = (( - )/ ) ∙ 100 %
13. , , :
Fmax = Dmax ∙
Fmax = Dmax ∙
14. .
вД
1. ( 120 240).
2. .
3. .
4. .