TB/T 2140.2-2018: Railway ballast - Part 2: Test methods

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Scope

This Standard specifies test methods and calculations for Los Angeles abrasion
ratio, standard collect stuff concussion temper, stones wear resistant rigidity
coefficient, standard collect stuff crunch rate, ballast collect stuff crunch rate,
filter coefficient, rock powder test model compressive strength, rock powder
fluid limit, rock powder mold limit, combination of rock powder fluid limit and
mold limit, vitriol natrium liquor marinate loss lead, stones density, stones
specific gravity, ballast grading, acicular index and laminated index, air-slake
grain and other incidental stones, the dust content of the grain below 0.1mm,
surface cleanness of railway ballast.
This Part is applicable to railway ballast test. The tests of Los Angeles abrasion
ratio, rock powder fluid limit, rock powder mold limit, vitriol natrium liquor
marinate loss lead, ballast grading parameter for grading of gravel on the
bottom of ballast and bed surface may refer to corresponding methods in this
Standard.

Basic Data

Standard ID	TB/T 2140.2-2018 (TB/T2140.2-2018)
Description (Translated English)	Railway ballast - Part 2: Test methods
Sector / Industry	Railway and Train Industry Standard (Recommended)
Classification of Chinese Standard	S05
Word Count Estimation	43,492
Issuing agency(ies)	National Railway Administration