NEW TECHNIQUE USES POZZOLAN TO RAISE ROAD

A METHOD FOR RAISING THE PAVEMENT TO SOLVE AN UNUSUAL SETTLEMENT PROBLEM IS DESCRIBED. AFTER DRILLING HOLES IN THE PAVEMENT, A POCKET WAS WASHED OUT HORIZONTALLY UNDER THE SLAB WITH A SPECIAL TOOL TO CREATE A CAVITY INTO WHICH THE GROUT SLURRY WAS INJECTED. THE SLURRY CONSISTED OF ONE PART PORTLAND CEMENT AND THREE PARTS POZZOLAN, AN EXPANDING AGENT THAT OFFSETS SHRINKAGE OF THE MIX, AND A FLUIDIFYING AGENT. /BR/

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/1519687
• Supplemental Notes:
  • Vol 41, No 4, P 18, 2 PHOT
• Publication Date: 1971-4

Media Info

• Serial:
  • Better Roads
  • Publisher: James Informational Media, Incorporated
  • ISSN: 0006-0208
  • Serial URL: http://www.betterroads.com

Subject/Index Terms

• TRT Terms: Ground settlement; Grout; Pavements; Portland pozzolan cement; Slurry
• Old TRIS Terms: Slurries
• Subject Areas: Highways; Maintenance and Preservation; Pavements;

Filing Info

• Accession Number: 00218959
• Record Type: Publication
• Files: TRIS
• Created Date: Jun 5 1972 12:00AM