Study on utilization of granulated copper slag in open graded bituminous base course using non-linear optimization

An attempt has been made to design a base course with aggregate grading (AG) which accommodates volumetric requirements of bituminous bases, knowing that the AG of any bituminous mixes restricts the minimum Voids in Mineral Aggregate (VMA). The design values obtained from the Marshall method of mix design performed on the granulated copper slag were considered as a Non-Linear Objective Functions (NLOF) and the Marshall requirements and mix volumetric requirements for bituminous bases were considered as Linear Constraints (LC). The mix design has been carried out with presence of particular percentage of aggregate in the mix, aggregate packing characteristics, Marshall Compaction, the binder aggregate interrelationship and the volumetric of the mix. The application of LC in NLOF yields the desired results according to the constraints defined by the user, by exploring the properties of the aggregate in the bituminous mix. The results of this process showed that the copper slag performed as a fine aggregate base and thus yielded a design for Open Graded Fine Aggregate Bituminous Base course (OGFABBC) with optimum utilization of copper slag.

  • Availability:
  • Authors:
    • Selvanambi, P
    • Shanmugasundaram, V
    • Karunamoorthi, M
  • Publication Date: 2011-2


  • English

Media Info

  • Media Type: Print
  • Features: Figures; References; Tables;
  • Pagination: pp 17-23
  • Serial:
    • Indian Highways
    • Volume: 39
    • Issue Number: 2
    • Publisher: Indian Roads Congress
    • ISSN: 0376-7256

Subject/Index Terms

Filing Info

  • Accession Number: 01350448
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Aug 23 2011 7:11PM