1000 3 "", "", "", "" . , . . , , .    

                              

                                  

- 10

- 20

. . (t = 50-70) .

 

 

          

 

                                 

                                                             :

 1)

        .   .

        .

        .

2)

        .

3)

        14 - 25 .

        .

        10 - 12

      .

        , .                                                         

                                                            

:

-10

-20

10  - 15

20  - 30

/

150 2/500 3

300 2/1000 3

50

50

0,15 /

0,3 /

220

220

500 3/

700 3/

1 - 1,5 /

2 - 3 /

:                      

700

560

1250

700

560

1450

80 

100 

 

NEN-EN 294, NEN-EN 292-1, NEN-292-2, EN 1050, .

-12 .


 

()

 

: ( - 1002 (200-3003), .

 

 

:

 

1 - ;

2 - ;

3 - ;

4 - ;

5 - ;

6 - ;

7 - .