USE OF CUTBACKS AND ROAD OILS IN SOIL STABILIZATION

AN EFFORT IS MADE TO IMPROVE EARTH, CRUSHED STONE, AND WORN-OUT GRAVEL ROADS OF LITTLE THICKNESS, TO GIVE DUSTLESS SAFE SERVICE AT A REASONABLE ANNUAL COST BY USING WATERPROOFED BASES AND RELATIVELY THIN RENEWABLE COVER COATS. IT IS UNCERTAIN WHETHER ENOUGH OIL CAN BE ADDED TO WATERPROOF DURABLY WITHOUT CAUSING A PLASTIC CONDITION AND THEREBY LOSING THE INHERENT STABILITY OF THE SOIL; AND WHETHER, IF THIS IS NOT POSSIBLE, THE PLASTICITY SO PRODUCED CAN BE OVERCOME BY ADDITION OF FRICTION MATERIAL. BITUMINOUS MATERIALS TEND TO KEEP THE MOISTURE CONTENT OF A SOIL SYSTEM BELOW THE PLASTIC LIMIT OR CHANGE THE CHARACTER OF THE SOIL SO AS TO RAISE THE PLASTIC LIMIT. A CERTAIN AMOUNT OF WATER IS NECESSARY FOR A GOOD OILING JOB, AND THE COHESIVE STRENGTH OF THE SYSTEM IS A FUNCTION BOTH OF THE WATER FILMS AND THE OIL FILMS. EXPERIMENTS SHOW THAT WATER ADSORPTIONS DECREASE WITH INCREASING BITUMEN CONTENT AND THAT AN OPTIMUM BITUMEN RANGE DEMONSTRATED BY STABILITY MEASUREMENTS IS ROUGHLY 6 TO 10% BASED ON SOIL FINES. /AUTHOR/

  • Supplemental Notes:
    • Vol 16, pp 359-368, 2 FIG, 1 TAB
  • Authors:
    • Reagel, F V
    • Schappler, R C
  • Publication Date: 1937

Media Info

  • Monograph Title: Proceedings of the Sixteenth Annual Meeting of the Highway Research Board Held at Washington, D.C. November 18-20, 1936
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00232894
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: Aug 15 1971 12:00AM