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1:

2:

3: ( )

4:

5:

6:

7:

8:

9:



:

1.       ;

2.       ;

3.       ;

4.       ;

5.       ;

6.       .


(, ), , (, ..) .

1. 2-3 :


M = 0

P = 5300

d = 56

ࠠ l = 40

- f = 0,13

d1 = 50

d2 = 78

45

4417

Rzd = 5

RzD = 10

t = 60ْ


:

1. ;

2. .


( ).


(M; P) (d; l) [1.1]:


, [1.1]


P , ; M , ; l ; f -.



p Nmin [1.2]


, [1.2]


E1 E2 ; c1 c2 , [1.3] [1.4]


, [1.3]


, [1.4]

d1 ; d2 ; μ1 μ2 .

E1 = 1,96105 /2, E2 = 0,84105 /2, μ1 = 0,3, μ2 = 0,35 (. 1.106, . 335. 1).




Nmin [1.5]


, [1.5]


γ , [1.6]


[1.6]



γt , [1.7]


, [1.7]


αD αd ;



αD = 17,610-6 -1, αd = 11,510-6 -1 (. 1.62, . 187-188, 1).




[pmax], . [pmax] , [1.8] [1.9]


, [1.8]


, [1.9]


σ1 σ2 .

σ1 =355 (. 3, . 97, 1), σ2 = 147 (. 68, . 198, 1).





Nmax [1.10]


[1.10]



Nmin [1.11]


, [1.11]


γ .

γ = 0,93 ( . 1.68, . 336, 1).



(.1.49, . 156, 1)


,


Nmax = 106 < [Nmax], Nmin = 57 > [Nmin].



.1.1

.1.2


.1.3


2. 16-17 : .


.2.1


.2.2

, [2.1], [2.2], [2.3]


, [2.1]


, [2.2]


, [2.3]


[2.4], [2.5]


, [2.4]


, [2.5]


; ; ; . (=30 , =-10 , =25 , =0 )





() [2.6]


[2.6]



[2.7]

[2.7]



(1.65) = 0.4505 (. 1.1, . 12, 1).


[2.8] ( [2.9]) [2.10] ( [2.11]):


[2.8]


[2.9]


[2.10]


[2.11]


.2.3

3. () : 16-17.


- h7


.3.1

[3.1], [3.2], [3.3]


, [3.1]


, [3.2]


, [3.3]


d ; ; ; Z1 ; Y1 .

Z1 = 4 , Y1 = 3 (. 2, . 8, 24853-81).




( ) H1 = 5 (. 2, . 8, 24853-81).

( , ) H = 2 (. 2, . 8, 24853-81).


-:

ࠠ ,

ࠠ .


-:

ࠠ ,

ࠠ ,

ࠠ .

.3.2


- Js8


.3.3


[3.4], [3.5], [3.6]


, [3.4]


, [3.5]


, [3.6]


D ; ; ; Z ; Y .

Z = 7 , Y = 5 (. 2, . 8, 24853-81).




( ) H = 5 (. 2, . 8, 24853-81).

-:

ࠠ ,

ࠠ .


.3.4

4. 7 8 421.

蠠 0

R = 45

ࠠ 100%

:

ࠠ d = 105

ࠠ D = 260

ࠠ B = 60

ࠠ r = 4


, . [4]


, [4.1]


R ; B ; r , k , ( 150%, k = 1); F , ( F = 1, . 4.90, . 286, 2); FA R (FA = 1 - ).



(. 4.92, . 287, 2), (. 4.93, . 289, 2).


:

堠 L0-20 (. 4.82, . 273, 2),

堠 l0-35 (. 4.83, . 276, 2).


.4.1


.4.2

5. 13-14.

⠠ z = 16

𠠠 D = 82

45

4417


, (HB = 255 1051-88) (HB = 60 . 68, . 198, 1) , . z = 16, d = 72 , D = 82 , b = 7 (. 4.71, . 251, 2).


(. 4.72, 4.75, . 252 253, 2).


.5.1

.5.2


.5.3


.5.4


.5.5

6. 10-11.

m = 10

⠠ z = 25

v = 5 /


[6.1] [6.2]


[6.1]


[6.2]




, . 8 ( ) (. 5.12, . 330, 2).

[6.3]


, [6.3]


h*a = 1 13755-81 9587-81.



Fr = 80 (. 5.7,. 317, 2), Fp = 125 (. 5.8, . 319, 2).

fi = 60 , fpt = 32 , ff = 28 (. 5.9, . 321, 2).

.. b = 50 , 40%, 50%; fx = 25 , fy = 12 , Fβ = 25 (. 5.10, . 323-324, 2).

, d, III (. 5.15, . 335, 2).

[6.4]


, [6.4]


z1 = z2 = 25.



jnmin = 72 , fa = 35 (. 5.17, . 336, 2).


1643-81 8-8-8-d


m,

10

z

25

-

13755-81

0

1643-81

-

8-8-8-d

Fr,

80

fpt,

32

jnmin,

72

d,

250

P ,

31.4

7. . -.


.7.1


.7.2


∑.

ࠠ [A∑max] = 4.2 ;

ࠠ [A∑min] = 3.8 ;

ࠠ [∑] = 0.2 ;

ࠠ [∑] = -0.2 ;

[Δc∑] = 0;

ࠠ [∑] = 0.4 .

[7.1] ( ):


.


[7.1]


A∑ = 4 : 1 = 100 , 2 = 8 ; 3 = 112 . [7.1]: 112 (100 + 8) = 4.

[7.2]


, [7.2]


[∑] ∑, i . i1 = 2.17, i2 = 0.9, i3 = 2.17 (. 3.3, . 20, 2).



10- (. 1.8, . 44, 1).

, : 1 = 0.14 , 3 = 0.14 . [7.4] 2


[7.3]


[7.4]



. 1 h, 3 H, .. Δc1 = -1/2 = -0.07 , Δc3 = 0.07 . 2 [7.5]


[7.5]



2 [7.6] [7.7]


[7.6]


[7.7]



[7.8]


[7.8]





1


2


3


-

∑.

ࠠ [A∑max] = 4.2 ;

ࠠ [A∑min] = 3.8 ;

ࠠ [∑] = 0.2 ;

ࠠ [∑] = -0.2 ;

[Δc∑] = 0;

ࠠ [∑] = 0.4 .

[7.1] ( ):


.


A∑ = 4 : 1 = 100 , 2 = 8 ; 3 = 112 . [7.1]: 112 (100 + 8) = 4. , , .. , , , . . , = 0.27%. = 0.27% - t = 3 (. 3.8, . 36, 2). [7.9]

[7.9]


i1 = 2.17, i2 = 0.9, i3 = 2.17 (. 3.3, . 20, 2).



11- (. 1.8, . 44, 1).

, : 1 = 0.22 , 3 = 0.22 . [7.11] T2


[7.10]


[7.11]



. 1 h, 3 H, .. Δc1 = -1/2 = -0.11 , Δc3 = 0.11 . 2 [7.5]


2 [7.6] [7.7]




1


2

8. .

l = 14

򠠠 27

ࠠ 27


27 P = 3 , d = 27 (.4.22, . 141, 2). [8.1], [8.2]


[8.1]


[8.2]




l = 14 N (. 4.27, . 149, 2). 6h, 6G (. 4.28, . 151, 2).


( . 4.29, . 155, 2):


d2max = 25.051 ;


d2min = 25.051-0.200 = 24.851 ( 200 6h);


dmax = 27 ;

dmin = 27-0.375 = 26.625 ( 375 6h);


d1max = 23.752;


d1min .


( . 4.29, . 165, 2):


D2max = 25.051+0.313 = 25.364 ( 313 6G);


D2mix = 25.051+0.048 = 25.099 ( 48 6G);


Dmax ;


Dmin = 27+0.048 = 27.048 ( 48 6G);


D1max = 23.752+0.548 = 24.3 ( 548 6G);


D1mix = 23.752+0.048 = 23.8 ( 48 6G).


.8.1


.8.2

.8.3



9. ( 23360-78). .

蠠 b = 22

ࠠ t1 = 9

h = 14

b h9

蠠 Js9

ࠠ N9


h9, Js9, N9 , (. 4.65, . 237, 2).


.9.1


( 23360-78):

ࠠ d = 80


蠠 b = 22

蠠 h = 14

ࠠ s = 0.7

蠠 l = 95


󠠠 t1 = 9

堠 t2 = 5.4

r = 0.5

(. 4.64, . 236, 2).

.9.2

.9.3


.9.4


: ; . .

:


1.       . . 2- ./. . , . . , . . , . . . 6- . .: , . -, 1983.

2.       -. 3- ./. . 7- . .: , 1992.




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