.


:




:

































 

 

 

 


.

A = D d0 = 46,062 41 = 5,062 .

3. D D11.

D11 = D = 41 .

.

4044-70 , .

40 4543-71

D = 40 .

Fx = 804,2 2

.

=

.

.

.

= 2,5 .

9.

Pmax = 264,1

zc = 2.

= 0,16 :

i =2 ,

Z = 2 ,

Sz = 0,05 1 .

Sz = 0,03 2 .

= 0,10 :

Z = 3 ,

Sz = 0,02 1 .

Sz = 0,01 2 .

Z = 4 .

= - - = 5,062 0,16 0,10 = 4,802 - ()

- .

= - 2∙io∙Szo = 4,802 - 2∙17∙0,14 = 0,039 5 Sz = 0,05 .

.

- N = 8.

-

R = 30 .

. 0,03 .

- N = 8.

-

R = 30 .

, .

.

6 9 :

p1 = 11 ; p2 = 12 ; p3 = 13 ;
:

h = 4 ;

r = 2 ;

g = 5,5 ;

R = 6 ;

F = 12,6 2;

.

z = zo + z + z + z = 17∙2 + 2∙2 + 3 + 4 = 45

Lp = (zo + z)po + (z + z)p = 532 + 85 = 617 .

.

L = 0,75L = 0,75∙80 = 60 L = 70 .

D =41 .

L..=20 .

lo = 450

L=40.

D=46

= 2 .

.

L = lo + Lp + L = 450 + 617 + 40 = 1107 .

-
= 20a -

:

m =2.

1,0.

7.

45.
1. .

1. .

2. .

3. () .

SD , .

DSu = 0,11

4. .

5. .

6. .

7. .

rz = 0,6
8. .

r1 = 0,8

9. ( ; ).

.



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