Assessment of ballast contamination level dependence on remoteness from coal mass loading sites

Abstract

The article analyzes the contamination (particles less than 25 and 0.1 mm) of the crushed stone ballast of the railway track depending on the distance from Kuzbass along the Trans-Siberian and Central Siberian Railways in 141 experimental sections. Also, the averaged results of the influence of the service life (missed tonnage), in areas with the same distance from Kuzbass, on the level of ballast pollution are given.

Ballast pollution on Trans-Siberian Railway with increasing remoteness (from 300 to 1 100 km) from places of mass coal loading (Kuzbass) on track I: for fraction less than 25 mm at 700-900 million tons on average decreases from 37 to 30 %, at 900–1 100 million tons – from 41 to 38 %; for fraction less than 0,1 mm at 700–1 500 million tons – from 5.5 to 3.5 %; on track II: For fraction less than 25 mm at 900–1 100 million tons – decreases from 36 to 33 %, at 1 100–1 300 million tons – from 36 to 34 %; for fraction less than 0.1 mm at 700–1 300 million tons – is at levels 3–5 %.

Decrease of ballast pollution along the Central Siberian Railway along the 1st way with increasing distance from Kuzbass (from 300 to 900 km): for fraction less than 25 mm at 900–1 100 million tons – from 35 to 32 %; for fraction less than 0.1 mm – from 9 to 6 %.