Norm

NEN-EN 12697-25:2013 Ontw. en

Bitumineuze mengsels - Beproevingsmethoden voor warm bereid asfalt - Deel 25: Cyclische drukproef

  • Deze norm is ingetrokken sinds 06-09-2016

29,20

Over deze norm

Status Ingetrokken
Aantal pagina's 34
Commissie Wegenbouwmaterialen
Gepubliceerd op 01-10-2013
Taal Engels
This European Standard describes three test methods (A1, A2 and B) for determining the resistance of bituminous mixtures to permanent deformation by cyclic compression tests with confinement. The tests make it possible to rank various mixtures or to check on the acceptability of a given mixture. They do not allow making a quantitative prediction of rutting in the field to be made. Test methods A1 and A2 describe methods for determining the creep characteristics of bituminous mixtures by means of a uniaxial cyclic compression test with some confinement present. In this test a cylindrical specimen is subjected to a cyclic axial stress. Method A2 is preferred for mastic asphalt and method A1 for other asphalt mixtures. To achieve a certain confinement, the diameter of the loading platen is taken smaller than that of the sample. In test method A1, the specimen is loaded by block-pulses whereas in method A2 haversine loading with rest time is applied. Test method B describes the method for determining the creep characteristics of bituminous mixtures by means of the triaxial cyclic compression test. In this test a cylindrical specimen is subjected to a confining stress and a cyclic axial stress. This test is most often used for the purpose of evaluation and development of new types of mixtures. This European Standard applies to specimens prepared in the laboratory or cored from the road. The maximum size of the aggregates is 32 mm.

Details

ICS-code 93.080.20
Nederlandse titel Bitumineuze mengsels - Beproevingsmethoden voor warm bereid asfalt - Deel 25: Cyclische drukproef
Engelse titel Bituminous mixtures - Test methods for hot mix asphalt - Part 25: Cyclic compression test
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