Гост расчет сосудов колонного типа

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24757-81

( 1645-79)

15 1981 . 2411

01.07.81

24305-80. , , , , , .

1645-79.

1.1. :

, (I-I, II-II, …, Z-Z . 1); ( ) – ;

(Z-Z . 1, 2);

(X-X . 1, 2);

(Y-Y . 1, 2).

. 1

. 2

. . 1 2 .

1.2. (-, – . 1).

, , .

2.1.

2.1.1. p1 2, , – 14249-80.

2.1.2.

p = g(-0). (1)

g = 10-5 /3 (10-3 /3)

2.2. .

:

G1 – , , , , ();

G2 – , , , ();

G3 – , ();

G4 – ( ), ().

. , , , .

2.3.

2.3.1. G , , .

2.3.2. MV – 24756-81.

2.3.3. R 24756-81.

2.4. .

.

2.5. .

.

2.6. .

(, , , .) – , . (-, – . 1) s s . 4.1.

2.7.

14249-80.

, ,

tA = ma (tK -Dt; 20 ), (2)

Dt – . 3.

Dt = 10 + 0,132h3 + 0,24910-3h3- 0,30510-6h + 0,93410-10h

. 3

20 .

:

;

;

.

:

1. M V M R .

2. M V .

3. M V M R M V, .

4.1. .

4.1.1.

, 1, (F=F1; M=M1; p=p1) (F=F3; =3; =0).

4.1.2. sx :

(3)

sx= -+; (3)

(4)

sx= –. (4)

4.1.3. sy (5)

sy= (5)

4.1.4. :

(6)

s= ; (6)

sx < 0, j = 1,0, sy < 0, j = 1,0;

(7)

s= ; (7)

sx< 0, j = 1,0, sy < 0, j = 1,0.

4.1.5. :

(8)

max {|sx |; s} £ [s]j; (8)

sx< 0, j = 1,0;

(9)

max {|sx |; s} £ [s]j; (9)

sx< 0, j = 1,0;

4.2.

, .

4.2.1. , , , .

s3 , . . 5.3. (10).

1,0. (10)

.

[F] [] 14249 – 80, , , .

4.2.2. ,

. 4.2.1.

, (11)

1,0, (11)

[], [F], [] – 14249-80 .

5.1. . Z-Z (Fz = Gz; z) Y-Y (FY=GY; MY) . – Y-Y.

5.2. , ( Z-Z . 1, 2), (12)

sx = min{[s]0; [s]} (12)

1 . 4

5.3. ( – . 1, 2) (13)

, (13)

[F], [M] – 14249-80;

y1, y2, y3 – , . 5, 6 7.

– , (13) , y1 y2 0,95. y1 > 0,95 y2 > 0,95, (13)

A, W, Ys – , .

5.4. , (14)

sx = (14)

:y1, y2, y3 – , . 5, 6 7.

,

y1 =y2 = 1,0 y3 = 0.

. 4

. 5

. 6

. 7

6.1. . Fy My . 5.

6.2.

b1 , (15)

b1 ³ b1R = (15)

2d2 + 30 £ b2 £ b1. (16)

6.3. (17)

s = [s] (17)

6.4. .

(. 8) (18)

s = (18)

, , D (. 8) (18) .

6.5. , , , , D (19)

s4 ³ max (19)

s4 (20)

s4 ³ + . (20)

(19) (20) s4 > 2s3 D.

6.6. – (21)

s5 ³ max (21)

c2 – , . 10

6.7.

s7 = max (22)

> 20 .

6.8. -.

(23)

(23)

c4 – , . 11.

b4 b5, a D(b6 +b7).

(24)

s1x £ [s], (24)

[s] – – .

6.9. D.

. 8

h1 b2 = b5, (25)

h1 (25)

s5 2s3

. 9

. 10

. 11

c5 = 1+ c7, c6 = 1 + 2c7

c7 =

s5, s7 s3 . 6.6, 6.7 6.8.

.

7.1. ,

= 4, 6, 8, 10, 12, 16… 4.

7.2. , , (26)

d2 ³ c8+ c, (26)

c8 – , . 12.

FY = F4

. > 1,0, (27)

:

4 24 – D1<1400 ;

6 30 – 1400 <D1£2200 ;

D1>2200 36 1200 , 12.

. 12

1 – (. 4), ();

2 – (. 9), ();

b1 – (. 8), ();

b1R – , ();

b2 – (. 8), ();

b3 – (. 5), ();

b4 – (. 8), ();

b5 – (. 8), ();

b6 – (. 8), ();

b7 – (. 8), ();

– ;

d1 – (. 5), ();

d2 – , ();

1- , , ();

2 – (. 8), ();

h1 – (. 2 8), ();

h2 – (. 1, 2), ();

h3 – (. 1, 2), ();

n – ;

p1 – , 0 ( > 0 < 0), (/2);

p2 – , , (/2);

p – , 0, (/2);

[] – , (/);

s1 – (. 1), ();

s2 – (. 1, 2), ();

s3 – (. 1, 2), ();

s4 – (. 8), ();

s5 – (. 8), ();

s6 – (. 5), ();

s7 – (. 8), ();

tA – , ;

t – , ;

0 – (. 1), ();

– , 2 (2);

D1 – (. 1), ();

D2 – ( ) (. 1), ();

D3 – (. 1 2) (); D3 – ;

D4 – (. 1 2), ();

F – , 0, () ( , );

F1 – ;

F2 – ;

F3 – ;

[F] – , ();

G – , 0, ();

G1 – ;

G2 – ;

G3 – ( );

G4 – ( );

– (. 1), ();

– 0, ͷ ();

G – 0, ͷ ();

MV – 0, ͷ ();

R – 0, ͷ ();

M1, MG, MV, MR- ;

M2, MG, MV, MR- ;

M3, MG, MV, MR- ( );

M4, MG, MV, MR- ( );

[] – , ͷ ();

g- , /3 (/3);

c1,c2,c3,c4,c5,c6,c7,c8 – ;

s – , (/2);

sy – , (/2);

sE – , (/2);

s – , (/2);

s1- , (/2);

[s]- , (/2);

[s]- , (/2);

[s]- , (/2);

[s], [s], [s]- ;

[s], [s], [s]- ;

[s]- , (/2);

[s]- , (/2);

[s]- , (/2);

j – ;

j – ;

js – , (. 4);

y1 y2 y3 – ;

Dt – , .

1. . 1

2. . 2

2.1. . 2

2.2. . 3

2.3. .. 3

2.4. . 3

2.5. . 3

2.6. . 3

2.7. . 3

3. . 4

4. . 4

5. . 6

6. . 8

7. . 11

, . 12

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: https://internet-law.ru/stroyka/text/9530/

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