Bar for railroad switch

 

 

 

         

  

Bar wooden for railroad switch

  • on geometrical parameters and quality of wood DSTU GOST 8816:2009 " Wooden railroad ties for the switch wideband railway";
  • security parameters - GOST 20022.5-93 "Protection of wood. High pressure impregnation by oily protective equipment";
  • a protective tool - GOST 2770-74 "Oil coal for wood impregnation".

Technical characteristics of a bar wooden

Wood of coniferous breeds is applied to production of a bar pine, fir-tree

  • 1 type - for the main ways
  • 2 type - for little used main, reception- dispatch ways and hump yards
  • 3 type - for access roads of the industrial enterprises;

The sizes of a bar wooden for railroad switch

Type of bar Thickness, mm Width, mm Length, mm
1 180 260 20/5 from 3000 to the 5500 with step 250
2 160 250 20/5 from 3000 to the 5500 with step 250
3 160 230 20/5 from 3000 to the 5500 with step 250

Bars prepare complete sets (1, 2, 3, 4, 1, 2,) depending on type of rails and mark railroad switches.

The quantity of bars in the complete set makes

Length bars,
m

The conditional
number
Lengths
bar

Complete set types

1

2

3

4

1

2

-

Types of rails

65

65,
50

65

65, 50

The cross railroad
switches

Marks of railroad switches

1/22

1/18

1/11

1/9

1/11

1/9

3,00

1

16

31

16

17

16

17

-

3,25

2

39

16

10

10

8

7

-

3,50

3

21

17

8

8

7

7

19

3,75

4

16

12

7

4

8

5

18

4,00

5

14

11

5

6

4

3

8

4,25

6

12

9

6

5

6

4

8

4,50

7

10

8

7

6

7

7

10

4,75

8

10

9

6

4

5

4

8

5,00

9

11

9

5

4

5

5

8

5,25

10

10

8

6

4

6

4

8

5,50

11

11

7

4

-

3

-

4

In total

170

137

80

68

75

63

91

Volumes of sets of switched  bars, m3

Type of completing
bars

Complete set kind

1

2

3

4

1

2

-

1 type

31,62

25,08

14,91

12,11

13,96

11,35

18,11

2 type

27,03

21,44

12,75

10,35

11,93

9,7

15,48

3 type

24,86

19,72

11,73

9,52

10,97

8,92

14,24

Parameters of security of a bar wooden at preservation

Wood protection completely meet the requirements of GOST 20022.0-93"Protection of wood. Security parameters"

Before impregnation humidity no more than 25 %. Humidity of wood is defined in conformity of GOST 20022.14-84 Protection of wood. Definition methods before impregnation humidity

Norms of absorption antiseptics, kg/m3

The name

The minimum

The planned

Pine and cedar bars

79

96

Fur-tree and fir bars

62

69

Norms of depth of impregnation

The name

Depth of impregnation

On a sapwood, mm

High grade and ripe wood, mm

Pine and cedar bars

not less than 5

not less than 5

Fir-tree, fir and fallacious bars

not less than 5

not less than 2

Average service life

The name

Average service life, years

Bars the wooden impregnated

15-20

Certificate  vidpovvidnosti for manufacturing bars for  transfers strilkovoi broad gauge railways Certificate  vidpovvidnosti to manufacture timber beams

<< Back