STEEL FIBERS CAN ENHANCE ASPHALT LIFE, STUDY FINDS USE OF SHORT, DUCTILE STEEL FIBERS TO REINFORCE ASPHALTIC CONCRETE MAY PROVIDE INCREASED STABILITY AND IMPROVED TENSILE CHARACTERISTICS

Studies have shown that the use of short, ductile steel fibers to reinforce asphatlic concrete may provide increased stability and improved tensile characteristics. Laboratory test procedures are described in detail. Test results are described and the optimum dosage of steel fiber per ton of asphaltic cement is given. The apparent optimum asphalt cement content varies with fiber dosage. Flow values or plastic deformation of specimens for a range of fiber contents are also discussed, as are also voids parameters. Use considerations are noted. Steel fibers in asphaltic concrete mixes should be ductile and exhibit little or no elastic memory. Depending on the mix's aggregate size, different fiber lengths can also be used. The optimal benefits of introducing ductile flat steel fibers to asphaltic concrete are obtainable with commonly used dense-graded mixes. The use of ductile, flat-steel fibers to modify and reinforce conventional asphaltic concrete will not only provide increased stability and improved tensile characteristics, but will also reduce problems of mix cracking, shoving, rutting and ravelling.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/11660022
• Corporate Authors:

  Scranton Gillette Communications

  380 E Northwest Highway, Suite 200
  Des Planes, IL  United States  60016-2282
• Authors:
  • Woods, W R
• Publication Date: 1985-11

Media Info

• Features: Photos;
• Pagination: p. 84-86
• Serial:
  • Roads & Bridges
  • Volume: 23
  • Issue Number: 11
  • Publisher: Scranton Gillette Communications
  • ISSN: 8750-9229
  • Serial URL: http://www.roadsbridges.com/rb/

Subject/Index Terms

• TRT Terms: Asphalt concrete; Cement content; Countermeasures; Ductility; Fiber reinforced concrete; Laboratory tests; Pavement cracking; Plastic deformation; Ruts (Pavements); Service life; Stability (Mechanics); Steel fibers; Stripping (Pavements); Tensile properties; Void ratios
• Uncontrolled Terms: Rut
• Old TRIS Terms: Void
• Subject Areas: Design; Highways; Materials; Safety and Human Factors; I31: Bituminous Binders and Materials;

Filing Info

• Accession Number: 00454370
• Record Type: Publication
• Files: TRIS
• Created Date: Jul 31 1986 12:00AM