EXPERIMENTAL SECTIONS MADE WITH ASPHALTIC CONCRETE SPREAD WITH PRECOATED CHIPPINGS. CORROY-LE-GRAND. DESCRIPTION OF THE EXPERIMENT EVOLUTION IN ADHESION DURING THE FIRST FIVE YEARS

SECTIONS EXPERIMENTALES EN BETON BITUMINEUX CLOUTE 1 CORROY-LE-GRAND. DESCRIPTION DE L'EXPERIENCE. EVOLUTION DE L'ADHERENCE DANS LES CINQ PREMIERES ANNEES

ASPHALTIC CONCRETE CONTAINING DIFFERENT PROPORTIONS OF AGGREGATES (35, 45 OR 55% PHORPHYRY AGGREGATES OR 45% LIMESTONE AGGREGATES) WAS SPREAD WITH PRECOATED CHIPPINGS IN TWO DIFFERENT WAYS. THE OBJECT WAS TO SEE WHETHER IT IS POSSIBLE TO ADEQUATELY SPREAD PRECOATED CHIPPINGS ON A MIXTURE WITH A HIGH PROPORTION OF AGGREGATES (55%), TO OBSERVE THE INFLUENCE OF THE AGGREGATE CONTENT ON THE BEHAVIOUR (ADHESION AND RESISTANCE TO TRACKING) OF THE SPREAD SURFACING AND TO EXAMINE WHETHER THE PRESENCE OF POLISHABLE AGGREGATES (LIMESTONE) IN THE MIXTURE ON WHICH THE PRECOATED CHIPPINGS ARE SPREAD, INFLUENCES ADHESION. RESULTS OF THE OBSERVATIONS SHOW THAT IT IS POSSIBLE TO SUCCESSFULLY SPREAD PRECOATED CHIPPINGS ON A MIXTURE CONTAINING 55% AGGREGATES THUS OBTAINING A COARSER MACROTEXTURE AND THAT THE USE OF LIMESTONE AGGREGATES AND SAND IN THE MIXTURE OVER WHICH THE PRECOATED CHIPPINGS ARE SPREAD, DOES NOT BADLY INFLUENCE THE COEFFICIENT OF TRANSVERSE FRICTION DURING THE FIRST FIVE YEARS.

  • Authors:
    • DECOENE, Y
  • Publication Date: 1978

Language

  • French
  • Dutch

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Filing Info

  • Accession Number: 01289865
  • Record Type: Publication
  • Source Agency: Institut Francais des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)
  • Files: ITRD
  • Created Date: Nov 21 2010 1:58AM