, (. 17.1). , , , , . , , .
. 17.1.
, , . 15-32, 21-404, , , .
, α , α ≈ 1530. , .
,
= 100 × β = 1,5, d = 28 .
1. , . f = 0,10,15; [ ] = 11,2 [12, . 477].
α ρ; α = 815. α = 10.
b - D c
0,150,25.
ψ = 0,25.
2. p:
.
Fn , :
,
Q 1 .
Q 1 , Ft:
D c = 156 .
b = 156 × 0,25 = 39 . b = 40 .
3.
4. , :
|
5. d , l , :
|
|
|
d = 45 .
1. .
II ( 1 105 ), 3- 652 [12, . 488489]; [τ] = 750 a.
2.
3. , :
D 0 = 6 × 11,5 = 69 ; D = 69 + 11,5 = 80,5 ; D =
= 69 11,5 = 57,5 .
D > d .
4. () -
n ,
G = 8 × 104 .
. Q 2, , G, d F 2 n , , , F 2 Q 2, .
, n = 4,
5.
n 1 = n + 2 = 4 + 2 = 6.
6. H 3
7.
8.
9. H 0
10. l
11. H 2 Q 2