:
1. iy = 16,6
2.
3.
4. N -
M* -
5.
. 1 [1], . 9.2.5 [1]
1. B20 Rb = 11,5 . g b 1= 1,0.
2. C245. 20-30 , Ry = 240 /2, (. 1 [1])
3. C245. 2-20 , Ry = 240 /2, , (. 1 [1])
4. C255. 20-40 , Ry = 230 /2, (. 1 [1])
5. :
- ( 2):
M=1597 ; N=-1967 ; Nmax=-2315 ( 1, Nmax),
- ( 9):
M=-995 ; N=-2089 ; Nmax=-1874 ( 1, Nmax).
6.
- :
) N=-264 , =388
) N=-1916, =672
- :
) N=-264 , =388
) N=-136, =-1544
,
,
A, W
b,l
, = 0,75
, , .
200 , :
( 1,25) l=1,45
11,8:
,
:
-
-
:
-
-
, .
. 8.6.2 [1] , , q - s
:
- I , , , ,
|
|
- II , , ,
*(-II)/c=7,41*(84,3-20)/84,3*0.1=0,6 /
:
,
t=4
, SCAD( 2) . , .
1-b | 21,88 | ||
3-c | -579 | ||
4-d | -580 | ||
6-e | -738 | ||
7-f | -738 | ||
a-2 | |||
a-5 | |||
a-8 | |||
1-2 | -486 | ||
2-3 | |||
4-5 | -173 | ||
5-6 | |||
7-8 | |||
3-4 | -70 | ||
6-7 | -70 | ||
8-8` | 0,65 |
.
. 10.1.1 [1] lx l y . 24 [1]:
, , , ( ) (λx≈λy) .
lx= ly ( ly , , , , .. lx), λx≈λy ( lx= ly, ix≈ iy) , (ix≈ iy). (ix≈0,8 iy).
, , (lx>ly), - , (iy>ix). lx=0,8ly .
24, .