PREN 12697-31-2014
Bituminous mixtures - Test methods - Part 31: Specimen preparation by gyratory compactor

Standard No.
PREN 12697-31-2014
Release Date
2014
Published By
CEN - European Committee for Standardization
Latest
PREN 12697-31-2014
Scope
This European Standard specifies the method for compaction of cylindrical specimens of bituminous mixtures using a gyratory compactor. Such compaction is achieved by combining a rotary shearing action and a vertical resultant force applied by a mechanical head. The method is used for: -determination of the air voids content of a mixture for a given number of gyrations or derivation of a curve density (or void content) versus number of gyrations; -preparation of specimens of given height and/or at a predetermined density@ for subsequent testing of their mechanical properties. The equipment used for the method needs to comply with Annex A@ Annex B or Annex C. Annex A is especially suitable for compaction research and Annex A@ Annex B and Annex C for the preparation of specimens for mechanical testing and for void content evaluation. This European Standard applies to bituminous mixtures (both those made up in laboratory and those resulting from work site sampling)@ with an upper aggregate size not larger than 31@5 mm.

PREN 12697-31-2014 history

  • 2014 PREN 12697-31-2014 Bituminous mixtures - Test methods - Part 31: Specimen preparation by gyratory compactor

PREN 12697-31-2014 -All Parts

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