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CONCRETE SURFACE COURSES INCORPORATING MODIFIED HYDROCARBON BINDERS: A LABORTORY STUDY

REVETEMENTEN BETON DE LIANTS HYDROCARBONES MODIFIES

This research report takes stock of laboratory studies undertaken in 1973 an 1974 on fourteen modified hydrocarbon binders and a "conventional" bitumen serving as are ference. Ten of these binders incorporated bitumen, and four incorporated tar. The first part of this report presents the different binders studied, the nature of the additives, and where applicable the method of their laboratory preparation. There is also a description of tests which were not conducted in accordance with an official procedure. The second and third parts set forth the results obtained with bitumen-based binders and tar-based binders. Each of these parts begins with a study of the rheological properties of the binders, determined by ball and ring test and tests of penetrability, Fraass fragility, ductility, adhesiveness and cohesiveness. A study is then made of the mechanical properties of bituminous mixtures made with these same binders, with the same particle size formula: 0/10 continuous bituminous concrete, semi-granular, incorporating completely crushed dioritic materials. Unconfined compression tests were carried out at different temperatures and variable conditons of preservation, together with rutting tests and measurements of complex modulus. In the fourth part, the authors attempt, on the basis of the results obtained, to compare these different substances one with another by reference to the pilot bitumen, and try to relate the modifications observed in the mechanical properties of bituminous mixtures of modifications observed in the rheological properties of binders. /Author/

  • Corporate Authors:

    Central Laboratory of Bridges & Highways, France

    75732 Paris,   France 
  • Authors:
    • Grimaux, J P
    • Grignard, A
    • Huet, M
  • Publication Date: 1976-12

Media Info

  • Features: Figures; Tables;
  • Pagination: 45 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00163656
  • Record Type: Publication
  • Report/Paper Numbers: Report LPC No 62
  • Files: TRIS
  • Created Date: Jan 13 1978 12:00AM