THE GRANULAR STRUCTURE OF CONVENTIONAL BITUMINOUS MIXTURES

SOBRE LA ESTRUCTURA GRANULAR DE LAS MEZCLAS ASFALTICAS CONVENCIONALES

ONE OF THE BASIC CHARACTERISTICS OF CONVENTIONAL BITUMINOUS LAYERS AND, IN PARTICULAR, ASPHALTIC CONCRETE LAYERS, IS THEIR SHEAR STRENGTH SO THAT PERMANENT DEFORMATIONS UNDER SERVICE CONDITIONS ARE REDUCED TO A MINIMUM. THIS STABILITY DEPENDS FOR ITS GREATER PART ON THE RESISTANCE TO FRICTION ORIGINATING IN THE STABLE ARRANGEMENT OF THE AGGREGATES, WHICH, IN TURN, DEPENDS ON THE GRADING OF THE LATTER. THE AIM OF THE RESEARCH DESCRIBED IS TO INCREASE THE PRESENT KNOWLEDGE OF THE INFLUENCE OF GRADING IN THE FORMATION OF DIFFERENT TYPES OF GRANULAR STRUCTURE, AND OF ITS RELATION WITH THE OPTIMUM BINDER CONTENT (ACCORDING TO MARSHALL). RESULTS OBTAINED WITH 6 TYPES OF BITUMINOUS MIXTURES ARE GIVEN. SEE ALSO IRRD ABSTRACT NO 106948.

  • Authors:
    • RIVARA DE RONCHI, Y R
    • LLANO, O F
    • Ruiz, C L
  • Publication Date: 1975

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 01293887
  • 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 4:21AM