.


:




:

































 

 

 

 





3 [1] Nc=590 ² 3.1 .

3.1

( ) 1740 3 : ,, 1750 761-742 . ,, 1750 761-74
- 440 : I 42 ; II 56 ; III 32 .     440 , 32 (III ); 225 (9 25 ), 225 (9 25 ) 322/21225 22879, 322/21225 22879, 10080
- () - 2 . I 137 I -34 . 2315-79, I -34 . 2315-79.
- 2 .   3 66 (32-34) 5.227287
2 . II 43 II-34-3 . 5.2316-79, II-34-3 . 5.2316-79

 

- BLM 2 . BLM 14

3.1

, 1 ., 2 ., - 1 322/21225 22879 5040 , 1 ., 2 ., 1 .  

3.1.

(3.1).

m = 18,5P1/3,

L = 9,6m, , H = 12,3m, , A = 4,8m, , E = 1,57m, ,

B = 6,8m, , C = 3,14m, , h = 1,05m, , t = 0.81m, , (3.1)

:

m = 223 ; L = 2141,

H =2743 , A = 1070,4,

B = 1516,4, C = 700,22 ,

E = 350,11 h = 234,15,

t = 180,6

3.1

3.2.

:

L = 560 , = 325 ,

= 610 , 1 = 372 ,

l = 850 , l1 = 330 ,

= 235 , b = 235 ,

= 6 30 ,

= 137 .

3.2 .

 

- 3.3.

:

32

L1 = 1082 ,

L1 * = 1350 ,

34 .

 

3.3 - ( )

 

 

3.4.

(32-34) 600 5.2272-87:

L = 306 ;

h1 = 60 ;

a1 = 284 ;

B = 110 ;

b = 33 ;

H = 320 810 . 3.4 -

= 65 .

66 .

 

 

BLM 14

3.5.

 

:

= 2152, J=370

= 780, K=2580

=1210 K1=257

L=100

C1= 1409 M=30

D = 360, N=70

d=325 P=720

d1=1020 Q=460

E = 350, S=35

F=1420 W=300

G=947 W1=600

G1=370

H=460

 

3.5

( 3.6). . 3.6 ABC, 2400 , . A,

= (80 ÷ 110) d = 2560 ÷ 3520 , = 3000 . (3.1)

d ,

b = 0,5*-0,5*d= 1279 (3.2)

b = 1290 .

. , ρ ( - 15˚). γ

γ ≤ 90˚ - φ - 15˚ ≤ 90˚- 45˚- 15˚ ≤ 30˚ (3.3)

φ

γ = 30˚, (3.3), , . 3.7.

. d

D = (8÷12) d = (8÷12) 36 = (256 ÷ 384) (3.4)

:

- D = 320 ;

- L = 2380 ;

- :

t1 = (0,4÷0,5) d = (0,4÷0,5) 32 = (12,8 ÷ 16) (3.5)

t1 = 16 ;

-

t2 = 0,65 t1 = 0,65∙16 = 10,4 (3.6)

t2 = 11 ;

-

δ1 = d = 32 ; (3.7)

-

δ2 = 0,45 d = 15,4 (3.8)

δ2 = 16 ;

-

R ≥ (9÷10) d = (9÷10) 32 = (288 ÷ 320) (3.9)

R = 320 .

. .

 

;

 

. .

V=kld210-5 =122532210-5 =2,3 3 (3.10)

k = 0,85÷1 ;

l , .

.

D = 35 d = 3532 = 1150 . (3.11)

D = 1150 .

[3]

h = 3000 .

, :

- 10 ;

- 12 .

-

h = (0,5 ÷ 0,6) D = (575 ÷ 690) (3.12)

600 .

-

Δh = 15 d = 15∙36 = 480 (3.13)

D ≥ 7d = 7∙32 = 224 (3.14)

D = 230.

t = 0,2 d = 7 (3.15)

(12 ÷ 14) d

400 .

(0,35 ÷ 0,4) d.

14 .

3.8.

셻[1] N = 590 2.

셻 160 132 .

:

. . 0,68<0,9 .

- .

 

4 .

40% 셻

.

, .

223,7 :

115 ,

842 .

: 37(115) 842 30055 93

:

 

.

 

.

IID 200 .

: IID-2-- 11265-73

. , .

.

3.9.

:

D = 377, L = 1430 , = 532 ,

= 780 , = 900 , h = 164 ,

h1 = 126 , S = 16

m = 415 .

 

3.9

 

, . .

II .

: II 235 5.2183 76

II 235 5.2183 76

3.10.

:

D = 235 , L1 = 1580 ,

L = 1440 , = 400 ,

= 450 , l = 590 ,

b = 220 , h = 390 ,

z = 180 , t= 50 3.10

= 580.

115 .

: 360 -- 9321-73.

3.11.

:

D = 360 , D1 = 433 , D2 = 290 , D3 = 468 ,

= 227 , ∆ = 6 . = 144 .

3.11

 

II 250 .

, .

80 .

3.12.

: 2-250x180 25056-81

:

= , L = 550 , = 300 ,

= 480 , h = 340 , S = 16 .

3.12

 

 





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