, , . , , . .
1) :
 ,
| (6.1) |
S d (2);
D ().
2) :
 ,
| (6.2) |
F , .
3) :
 .
| (6.3) |
4) , :
 ,
| (6.4) |
m0 .
:
F = 80
D = 14 = 14×10-3 ;
d = 0,15 = 1,5×10-4 .
:
1) 
(2);
2) 
();
3) 
();
4) 
().
. 6.1, .
6.1
| F () | D () | d () | |
| 0,2 | |||
| 0,9 | |||
| 0,1 | |||
| 1,2 | |||
| 1,5 |
:
S d = ___________________________________________________________________
_______
d = ___________________________________________________________________
_______
d = ___________________________________________________________________
_______
I×wd = __________________________________________________________________
_______
6.2.
6.2
| S d (2) | d () | d () | I×wd () |
7
: " "
: .
1) :
| L K = b b , | (7.1) |
L ();
b ();
a b ().
2) :
| D = d C + 2 h, | (7.2) |
D ();
d ;
h .
3) :
| D = D + 2 d C, | (7.3) |
D ().
4) :
| Q 0 = 2 d C × L , | (7.4) |
Q 0 (2).
5) :
|
|
|
| L = p(D + D ) / 2, | (7.3) |
L ().
6) ij :
 ,
| (7.3) |
r ;
F , ;
U - .
:
b = 90 ;
d = 8 ;
U = 12 ;
= 2 ;
b = 4 ;
r = 0,0175 ×;
F = 307,6 ;
h = 0,25
:
1) L K = 90 2 4 =84 ();
2) D = 8 + 2*0,25 = 8,5 ();
3) D = 8,5 + 2*8 = 24,5 ();
4) Q 0 = 8*84 = 672 ();
5) L = (3,14*(24 + 8,5))/2 = 61,8 () = 61,8*10-3 ();
6) 
().
. 7.1, .
7.1
| b () | d () | U () | () | b () | r (×) | F () | h () | |
| 0,0275 | 97,035 | 0,35 | ||||||
| 0,0375 | 955,895 | 0,45 | ||||||
| 0,0475 | 500,123 | 0,55 | ||||||
| 0,0575 | 569,176 | 0,65 | ||||||
| 0,0675 | 718,264 | 0,75 |
L K = ___________________________________________________________________
_______
D = __________________________________________________________________
_______
D = _________________________________________________________________
_______
Q 0 = ___________________________________________________________________
_______
L CP = __________________________________________________________________
_______
d = ____
_______
7.2.
7.2
| L K () | D () | D () | Q 0 (2) | L () | d () |
8
: " ()"
: .
