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Experimental evaluation of high performance base course and road base asphalt concrete with electric arc furnace steel slags

Journal of Hazardous Materials, ISSN: 0304-3894, Vol: 181, Issue: 1, Page: 938-948
2010
  • 192
    Citations
  • 0
    Usage
  • 174
    Captures
  • 0
    Mentions
  • 1
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    192
  • Captures
    174
  • Social Media
    1
    • Shares, Likes & Comments
      1
      • Facebook
        1

Article Description

The paper presents the results of a laboratory study aimed at verifying the use of two types of electric arc furnace (EAF) steel slags as substitutes for natural aggregates, in the composition of base course and road base asphalt concrete (BBAC) for flexible pavements. The trial was composed of a preliminary study of the chemical, physical, mechanical and leaching properties of the EAF steel slags, followed by the mix design and performance characterization of the bituminous mixes, through gyratory compaction tests, permanent deformation tests, stiffness modulus tests at various temperatures, fatigue tests and indirect tensile strength tests. All the mixtures with EAF slags presented better mechanical characteristics than those of the corresponding asphalts with natural aggregate and satisfied the requisites for acceptance in the Italian road sector technical standards, thus resulting as suitable for use in road construction.

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