Assessment of Crumb Rubber Concrete for Flexural Structural Members

To address the ever increasing quantity of scrap tires produced in the U.S. a study is conducted on the use of crumb rubber in concrete for enhancement of structures against blast effects. Crumb Rubber Concrete (CRC) is produced by replacing a volume percentage of the traditional coarse and/or fine aggregate with crumb rubber particles. Crumb rubber is produced in various gradations from used vehicle tires. The research program characterizes the mechanical properties of CRC and provides an assessment of the capability of CRC in providing flexural resistance for structural applications. The results of the experimental and analytical investigation found that (1) crumb rubber replacement of coarse and fine aggregate is done at a cost premium of approximately ¾ times the replacement percentage, (2) the addition of crumb rubber results in a decrease in unit weight, compression strength, splitting tensile strength, and elastic modulus, linearly related to the addition of rubber, (3) the modulus of rupture was not sensitive to up to 40% rubber aggregate replacement, and (4) flexural failure modes occur at lower demand levels due to the use of rubber replacement. The reductions are in line with the material property conclusions previously discussed.

• Record URL:
  • https://doi.org/10.1061/(ASCE)MT.1943-5533.0000986
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/08991561
• Supplemental Notes:
  • Copyright 2013 by the American Society of Civil Engineers 2013
• Authors:
  • Naito, Clay
  • States, Joe
  • Jackson, Christopher
  • Bewick, Bryan
• Publication Date: 2014-10

Language

• English

Media Info

• Media Type: Digital/other
• Features: References;
• Serial:
  • Journal of Materials in Civil Engineering
  • Volume: 26
  • Issue Number: 10
  • Publisher: American Society of Civil Engineers
  • ISSN: 0899-1561
  • EISSN: 1943-5533
  • Serial URL: http://ascelibrary.org/journal/jmcee7

Subject/Index Terms

• TRT Terms: Coarse aggregates; Compressive strength; Crumb rubber; Fine aggregates; Flexural strength; Scrap; Structural members; Tires
• Geographic Terms: United States
• Subject Areas: Highways; Materials; I32: Concrete;

Filing Info

• Accession Number: 01500040
• Record Type: Publication
• Files: TRIS, ASCE
• Created Date: Nov 25 2013 10:02AM