General information

Rut depth

The wheel tracking test is a test method for determining the susceptibility of bituminous materials to deform under load. The test is applicable to mixtures with upper sieve size less than or equal to 32 mm. 

This test is applicable to specimens prepared from asphalt mixtures that have either been manufactured in a laboratory or cut from a pavement. Test specimens are held in a mould with their surface flush with the upper edge of the mould.

The susceptibility of bituminous materials to deform is assessed by the rut formed by repeated passes of a loaded wheel at a fixed temperature. In our labs, large size devices are used. This means two different sizes of moulds can be used:

  • (500 x 180 x 50) mm
  • (500 x 180 x 100) mm

Standards*

*Note: Make sure you are logged in to edu.mynbn!

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