Characterization of Granular Materials Containing Glass Cullet for Use in Embankments

Embankments in the transportation infrastructure use large quantities of good and marginal quality aggregate materials and are therefore good applications for possible use of waste materials such as glass. The engineering suitability of glass cullet as a granular embankment material is well documented. This research was conducted to investigate the resilient characteristics of a blend of caliche, a marginal quality granular material, which is typically used in low traffic volume pavement subbase layers, and glass cullet. The authors conducted resilient modulus tests on a series of specimens containing different caliche-glass cullet blends. Resilient modulus of granular material depends on factors such as aggregate mineralogy, particle characteristics, density, moisture content and gradation. However, when a material blend is used, in addition to the factors indicated above, the material response appears to also depend on relative strengths and compatibility of constituent materials in the blend. The general acceptance has been that by blending glass cullet with conventional materials, its engineering properties, particularly the strength, decreases. However, results from resilient modulus tests indicate that for marginal quality granular materials such as caliche, the introduction of glass cullet increases the strength of material blend. However, the strength gain appears to be accompanied by a likelihood of the material to fail by dilation at higher stress levels. As long as the caliche-glass cullet blend is not subjected to excessive stress levels, the presence of cullet in the blend appears to strengthen the resilient properties of the granular material.

Language

  • English

Media Info

  • Media Type: CD-ROM
  • Features: Figures; Photos; References; Tables;
  • Pagination: 16p
  • Monograph Title: TRB 86th Annual Meeting Compendium of Papers CD-ROM

Subject/Index Terms

Filing Info

  • Accession Number: 01044052
  • Record Type: Publication
  • Report/Paper Numbers: 07-3341
  • Files: TRIS, TRB
  • Created Date: Feb 8 2007 8:01PM