BITUMINOUS SURFACE TREATMENTS FOR NEWLY CONSTRUCTED RURAL ROADS

VARIOUS BITUMINOUS SURFACE TREATMENTS ARE USED BY ROAD AUTHORITIES IN SOUTH AFRICA FOR NEWLY CONSTRUCTED ROADS IN RURAL AREAS. THESE ARE GENERALLY VARIATIONS IN DOUBLE OR TRIPLE SURFACE TREATMENTS WITH LAYERS OF STONE OR SAND OR WITH A LAYER OF STONE OVER WHICH SLURRY IS SPREAD TO FILL THE VOIDS. SURFACE TREATMENTS ARE USUALLY USED ON ROADS CARRYING FROM ABOUT 125 UP TO 1000 VEHICLES/LANE/DAY. IT IS COMMON PRACTICE TO USE A PREMIX SURFACING ON ROADS CARRYING MORE THAN 1000 VEHICLES/LANE/DAY. THIS GUIDE DESCRIBES SOME OF THE COMMONLY USED METHODS THAT HAVE PROVED SATISFACTORY IN PRACTICE, INTRODUCES A NEW DESIGN METHOD BASED ON THE RESULTS OF ROAD EXPERIMENTS CARRIED OUT BY THE NATIONAL INSTITUTE OFR ROAD RESEARCH, AND GIVES BRIEF RECOMMENDATIONS

  • Corporate Authors:

    Nat Inst Road Research /S Africa

    ,    
  • Publication Date: 1971-2

Media Info

  • Features: Figures; References; Tables;
  • Pagination: 58& p.
  • Serial:
    • Volume: trh3

Subject/Index Terms

Filing Info

  • Accession Number: 00207618
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Files: TRIS
  • Created Date: May 15 1974 12:00AM