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CEN - EN 12697-22

Bituminous mixtures - Test methods - Part 22: Wheel tracking

active, Most Current
Organization: CEN
Publication Date: 1 February 2020
Status: active
Page Count: 32
ICS Code (Road construction materials): 93.080.20
scope:

This document describes test methods 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.

The tests are 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 constant temperature. Three alternative types of device can be used according to this standard: large-size devices, extra large-size devices and small-size devices. With large-size devices and extra large-size devices, the specimens are conditioned in air during testing. With small-size devices, specimens are conditioned, in either air or water.

NOTE Large-size and extra large-size devices are not suitable for use with cylindrical cores.

Document History

EN 12697-22
February 1, 2020
Bituminous mixtures - Test methods - Part 22: Wheel tracking
This document describes test methods 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...
December 1, 2003
Bituminous mixtures - Test methods for hot mix asphalt - Part 22: Wheel tracking
A description is not available for this item.
December 1, 2003
Bituminous mixtures - Test methods for hot mix asphalt - Part 22: Wheel tracking
A description is not available for this item.

References

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