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Normas DIN – AENOR
DIN EN 12697-22:2020-05

DIN EN 12697-22:2020-05

Bituminous mixtures - Test methods - Part 22: Wheel tracking; German version EN 12697-22:2020

Mélanges bitumineux - Méthodes d'essai - Partie 22: Essai d'orniérage; Version allemande EN 12697-22:2020

Asphalt - Prüfverfahren - Teil 22: Spurbildungstest; Deutsche Fassung EN 12697-22:2020

Fecha:
2020-05 /Active
Equivalencias internacionales:

EN 12697-22 (2020-02)

Relación con otras normas DIN:
Resumen:
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.
Keywords:
Asphalts, Construction, Construction materials, Definitions, Determination, Finishes, Hot mix asphalts, Loading, Measurement, Mechanical properties, Pavements (roads), Physical properties, Rail grooves, Road construction, Strain, Test equipment, Testing, Tracks, Wheel tracking
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