1. , g=16,0 /3: 0=P-gd=300-16,0*1,8=271,2 .
2. z=1,0 . a . 1 , x=2z/b =2*1,0/2,0=1,0 h=l/b =3,0/2,0=1,5. a=0,733, 
=0,733*271,2=209,6 .
3. z=1,0 : =0,25*0,733*271,2=52,4 .
4. (. 9):
9
z . 7, . 16.
6
: ,
(), ( ) . : 1,0 ( 8).
- . .
. 8
:
1 . h , , ,
(28)
. . : (i), , (Ni), .
:
1) - :
g , /3;
j , ;
c , ;
2) :
, ;
Ai , 2;
Li , ;
3) :
Qi , /;
i , /;
Ni , /;
Fi , /.
, h >1.2.
2 h.
.
13
| , | g, /3 | |||||
| j, | , | |||||
| 19,0 | 1: 2 | |||||
| 20,0 | ||||||
| 18,5 | ||||||
| 18,0 | ||||||
| 18,2 | ||||||
| 18,8 | ||||||
| 17,8 | ||||||
| 19,8 | ||||||
| 20,0 | ||||||
| 19,2 | ||||||
| 18,0 | ||||||
| 19,3 | ||||||
| 19,8 | ||||||
| 18,2 | ||||||
| 19,2 |
|
|
|
a b (. 31). 14, .
14 a b
| (H:L) | a, | b, |
| 1:1 | ||
| 1:1,5 | ||
| 1:2 | ||
| 1:3 | ||
| 1:4 | ||
| 1:5 |
: () 11 1:1 ( 450). - : g = 19 /3, j = 200, = 40 .
.
1. 1:100 ( 32).
2. . 14 a =280 b =370. .
3. R; .
