1. = 2500 /3 100 .
. :
m = m k = h k = 2500 0,1 1 = 250 /2.
f B (. . 3.1) :
f B = 29000/100 = 290 .
f B = 290 2:
f B = 315 .
:
R B = 20 lg250 12 = 36 .
, . 3.1.
. 6 .
6
/ | 1/3- , | ||||||||||||||||
100 | 125 | 160 | 200 | 250 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | ||
1 | R, | 36 | 36 | 36 | 36 | 36 | 36 | 38 | 40 | 42 | 44 | 46 | 48 | 50 | 52 | 54 | 56 |
2 | , | 33 | 36 | 39 | 42 | 45 | 48 | 51 | 52 | 53 | 54 | 55 | 56 | 56 | 56 | 56 | 56 |
3 | , | -- | -- | 3 | 6 | 9 | 12 | 13 | 12 | 11 | 10 | 9 | 8 | 6 | 4 | 2 | -- |
4 | , 7 | 26 | 29 | 32 | 35 | 38 | 41 | 44 | 45 | 46 | 47 | 48 | 49 | 49 | 49 | 49 | 49 |
5 | , | -- | -- | -- | -- | 2 | 5 | 6 | 5 | 4 | 3 | 2 | 1 | -- | -- | -- | -- |
6 | R w, | 45 |
7
/ | 1/3- , | ||||||||||||||||
100 | 125 | 160 | 200 | 250 | 315 | 400 | 500 | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | ||
1 | L n, | 59 | 60 | 65 | 65 | 63 | 62 | 60 | 58 | 54 | 50 | 46 | 43 | 43 | 41 | 37 | 33 |
2 | , | 62 | 62 | 62 | 62 | 62 | 62 | 61 | 60 | 59 | 58 | 57 | 54 | 51 | 48 | 45 | 42 |
3 | , | -- | -- | 3 | 3 | 1 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
4 | , 4 | 58 | 58 | 58 | 58 | 58 | 58 | 57 | 56 | 55 | 54 | 53 | 50 | 47 | 44 | 41 | 38 |
5 | , | 1 | 2 | 7 | 7 | 5 | 4 | 3 | 2 | -- | -- | -- | -- | -- | -- | -- | -- |
6 | L nw, | 56 |
, , 105 , 32 .
7 , 28 , , 32 .
|
|
1/3- 500 , .. = 45 .
2. L wn , . 7.
. , L wn , .
7 , 32 . 4 .
31 , 32 .
1/3- 500 , .. ∆ = 56 .
3. , 6 .
. .1 :
f B = 6000/6 = 1000 ; R B = 35 .
f = 12000/6 = 2000 ; R = 29 .
. 3.2, 4,5 , CD 7,5 (. 7).
. 7. 3
:
f, | R w, | f, | R w, | f, | R w, |
100 | 20,0 | 315 | 27,5 | 1000 | 35,0 |
125 | 21,5 | 400 | 29,0 | 1250 | 33,0 |
160 | 23,0 | 500 | 30,5 | 1600 | 31,0 |
200 | 24,5 | 630 | 32,0 | 2000 | 29,0 |
250 | 26,0 | 800 | 33,5 | 2500 | 31,5 |
3150 | 34,0 |
4. , 14 , γ = 850 /3 . 100 .
. . 3.2.
. 1:
f B = 19000/14 = 1337 ; R B = 34 .
f = 38000/14 = 2714 ; R = 28 .
f B f 2:
f B = 1250 ; f = 2500 .
ABCD . 3.2. (. 8).
. 2 R 1 :
m / m 1 = 28500,014/8500,014 = 2.
. 2 m / m 1 = 2 R 1 = 4,5 .
R 1 = 4,5 A1B1C1D1, 4,5 ABCD.
(5) m = 8500,014 = 11,9 /2.
f = 60 = 77,8 80 .
f = 80 F 4 A1B1C1D1, .. R F = 16,5 .
|
|
8 f (630 ) K R K = R F + H = 16,5 + 26 = 42,5 .
H , 100 (. . 3.3).
K KL f B = 1250 4,5 . L :
R L = R K + 4,5 = 47 .
L 1,25 f B ( 1/3- 1600 ) LM.
f = 2500 N R N = R C1 + R 2 = = 32,5 + 8,5 = 41 .
N N 7,5 .
A1EFKLMNP (. . 8) .
:
f, | R, | f, | R, | f, | R, | f, | R, |
100 | 19,5 | 250 | 31,0 | 630 | 42,5 | 1600 | 47,0 |
125 | 22,5 | 315 | 34,0 | 800 | 44,0 | 2000 | 44,0 |
160 | 25,0 | 400 | 36,5 | 1000 | 45,5 | 2500 | 41,0 |
200 | 28,0 | 500 | 39,5 | 1250 | 47,0 | 3150 | 43,5 |
. 8. 4
5. γ = 2500 /3, 100 ; 35 100×50 500 , γ = 140 /3, 40 . 2000 .
. :
m 1 = 25000,1 = 250 /2;
m 2 = 6000,035() + 6000,050,12() = = 27 /2.
, 1 2 2 :
= 11350 .
R wo (7):
R wo = 37 lg m 1 43 = 37 lg250 43 = 45,7 46 .
= 0,55 (9):
h 3 = h o(1 )0,04(1 0,55) = 0,018 .
= = 8,0105 (8):
ƒ. = 0,16 = = 216 ≈ 210 .
R wo = 46 ƒ. = 200 . 4 R w = 52 .
6. , :
140 = = 2500 /3;
(-) 10 ;
= 1300 /3 50 ;
= 1100 /3, 3 .
2000 .
. :
m 1 = 25000,14 = 350 /2;
m 2 = 13000,05 + 11000,003 = 68 /2.
2000 + 683 = 2683 .
, . 5.3, L nwo = 78 .
= 0,1:
h 3 = 0,01(1 0,1) = 0,009 .
(10) E = = 6,6105 :
ƒ = 0,16 .
. 4 L nwo = 78 ƒ = 160 L nw = 60 .
7. , = 2500 /3 160 3,6 .
|
|
. :
m = 25000,16 = 400 /2.
. 5.3 :
L nwo = 77 .
. 5 :
Δ L nw = 19 .
(11) L nw :
L nw = 77 19 = 58 .
8. R wo () , = 2500 /3, 160 ( 1810880).
. :
m = 25000,16 = 400 /2.
(7) m = 400 /2
R w = 37 lg400 43 = 53,3 53,5 .
, ( 1810880), 1 , , R w :
R w = 53,3 1 = 52,5 .
9. 220 , γ = 2500 /3. 1,2 6 0,16 , .
. :
(3), , h = 120 :
.
1. 23-032003. . ., 2003. 34 .
2. 23-1032003. . . ., 2004.
3. . .: , 1983. 64 .
4. : . . . / .. , .. , .. .; . .. . .: , 2003. 448 .
1
,
/ |
| R w | L nw |