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PREN 12697-22

2013 Edition, October 15, 2013

Complete Document

Draft BS EN 12697-22 Bituminous mixtures - Test methods for hot mix asphalt Part 22: Wheel tracking

Includes all amendments and changes through Draft , October 2013

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Product Details:

  • Revision: 2013 Edition, October 15, 2013
  • Published Date: October 2013
  • Status: Active, Most Current
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 32
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This European Standard 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 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.