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2.05.03-84
  
06.03.2013 .

4.57*. ( ) :

 :  ,,  2.05.03-84   ;                                                       (187)

 :  ,,  2.05.03-84   ,                                               (188)

smax,ef - ( ):

tmax, ef - ( );

gw - ;

m - , . 60*.

  smax,ef tmax,ef . 77 (206)(217) , . 2.1*2.3.

77

smax, ef

 :  ,,  2.05.03-84

¾¾¾

æ3 Wn

                           N         M

¾    ¾¾¾

                          An      æ3 Wn

                     y                Myx

¾¾¾¾    ¾¾¾¾

                     æ3 Ix,n                    æ3 Iy,n

                 N         Mxy           Myx

¾  (¾¾¾    ¾¾¾)

                An        æ3 Ix,n               æ3 Iy,n

. 77 :

, x, y , . 4.28*;

æ3   , 1,05.

. . 77 .

gm

 :  ,,  2.05.03-84   ,                                 (189)

z , 1,0 0,7 ;

 :  ,,  2.05.03-84     , l smax;

a, d , ;

b , . 1* 17*:

r .

r :

 :  ,,  2.05.03-84   ;                                                        (190)

 :  ,,  2.05.03-84    ,                                                        (191)

smin, smax, tmin, tmax - , , , smax, ef, tmax, ef ; æ3 = 1,0.

(189) (187), smax > 0, (188).

a d . 78*.

78*

a

d

16

0,64

0,20

15

0,72

0,24

10

0,81

0,20

390-142, 390-152

gm a d, .

 :  ,,  2.05.03-84     :

 :  ,,  2.05.03-84                                               (192)

v x . 79*.

79*

v x

b

16

15, 10,

390-142, 390-152

v

x

v

x

1,0

1,45

0,0205

1,65

0,0295

1,1

1,48

0,0218

1,69

0,0315

1,2

1,51

0,0232

1,74

0,0335

1,3

1,54

0,0245

1,79

0,0355

1,4

1,57

0,0258

1,83

0,0375

1,5

1,60

0,0271

1,87

0,0395

1,6

1,63

0,0285

1,91

0,0415

1,7

1,66

0,0298

1,96

0,0436

1,8

1,69

0,0311

2,00

0,0455

1,9

1,71

0,0325

2,04

0,0475

2,0

1,74

0,0338

2,09

0,0495

2,2

1,80

0,0364

2,18

0,0536

2,3

1,83

0,0377

2,23

0,0556

2,4

1,86

0,0390

2,27

0,0576

2,5

1,89

0,404

2,31

0,0596

2,6

1,92

0,0417

2,36

0,0616

2,7

1,95

0,0430

2,40

0,0636

3,1

2,07

0,0483

2,57

0,0716

3,2

2,10

0,0496

2,62

0,0737

3,4

2,15

0,0523

2,71

0,0777

3,5

-

-

2,75

0,0797

3,7

-

-

2,84

0,0837

4,4

-

-

3,15

0,0977

4.58.

smax £ m1 gwsRdhm,                                                      (193)

m1 - , :

0,83;

, , 1,0;

Rdh - , . 4.33;

gws - ,

 :  ,,  2.05.03-84   ,                         (194)

z,  :  ,,  2.05.03-84   , r - , . 4.57*;

bs - , . 2 17*;

m - , . 60*.



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