This part specifies the test methods and calculations for the powder content of railway gravel ballast with a particle size of less than 0.1 mm. This section is applicable to the test of powder content of railway gravel ballast with particle size below 0.1mm.
TB/T 2328.17-2008 history
2018TB/T 2140.2-2018 Railway gravel ballast Part 2: Test methods
1992TB/T 2328.17-1992 Test method for content of clay mass and other impurities in railway crushed stone ballast
TB/T 2328.17-2008 Test method for railway ballast has been changed from TB/T 2328.18-1992 Test method for powder content of railway gravel and ballast with particle size below 0.1mm.
TB/T 2328.17-2008 Test method for railway ballast was changed to TB/T 2140.2-2018 Railway gravel ballast Part 2: Test methods.