Impregnated railroad ties

 

 

 

         

  

Impregnated wooden cross ties completely correspond to GOST requirements:

  • on geometrical parameters and quality of wood - DSTU GOST 78-2009 Wooden railroad ties for a wideband railway;
  • security parameters - GOST 20022.5-93 "Protection of wood. Under pressure impregnation by oily protective equipment";
  • protective tool - GOST 2770-74 "Oil coal for wood impregnation".

Technical characteristics of a cross tie wooden

Wood of coniferous breeds is applied to production of cross ties pine, fir-tree.

  • 1 type - for the main ways;
  • 2 type - for station and access roads.

The sizes of cross ties

Cross tie type Thickness, mm Width, mm Length, mm Volume, 3
1 type 1805 250 275020 0,1237
2 type 160   230 27502020 0,1012

Parameters of security of a cross tie wooden

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

Preimpregnation humidity of a cross tie no more than 25 %. Humidity of wood is defined in conformity of GOST 20022.14-84 Protection of wood. Definition methods preimpregnation humidity.

Norms of absorption antiseptics, kg/m3

The name Minimum Planned
Pine and cedar cross ties 79 96
Fur-tree and fir cross ties 62 69

Norms of depth of impregnation

The name Depth of impregnation
On a sapwood, mm High gade and ripe wood, mm
Pine and cedar cross ties not less than 5 not less than 5
Fur-tree, fir and fallacious cross ties not less than 5 not less than 2

Average service life:

The name Average service life, years
Cross ties impregnated wooden 15-20

Certificate  vidpovvidnosti for manufacturing railway sleepers timber Certificate  vidpovvidnosti the manufacture of wooden sleepers  for railway broad gauge

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