II-22-81(1995)
Administrator   
05.08.2008 .
   

5. ( )

5.1. ( ) :

) 0 >0,7y;

) , ( , , ) , ;

) , , ( ) ;

) - ;

) , , , ;

) ;

) , .

5.2. . 0 >0,7y (. . 5.3) .

5.3. ( ) 0 >0,7y, :

;

, .

 II-22-81                                                       (33)

I - ;

- ;

Rtb - (. . 10);

gr - , . 24.

, . 4.7.

24

gr ,

 

100

50

25

1.

1,5

2,0

3,0

2. ,

1,2

1,2

3. ,

1,2

1,5

4. ,

0,8

1,0

1,0

. , , . 24 :

k = 1,25 m ³ 0,1 %;

k = 1 m ³ 0,05 %.

- , k = 0,75 + 5m.

5.4. , , . , , (34) - (37). eu, . 25.

25

eu

,

0,8×10-4

, (, )

0,5×10-4

- :

 

)

1×10-4

) ,

0,8×10-4

. , 25 %.

5.5. :

 II-22-81                                                                        (34)

 II-22-81                                                                     (35)

 II-22-81                                                      (36)

 II-22-81                                                      (37)

(34) - (37):

N - , ;

eu - , . 25;

(h - ) - ;

 I - ;

- , (8).

 


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