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Technical and Environmental Assessment of an Alternative Binder for Low Traffic Roads with LCA Methodology

  • Alejandra Balaguera Quintero
  • Diana Gómez Cano
  • Gloria Carvajal Peláez
  • Yhan Paul AriasEmail author
Conference paper
Part of the The Minerals, Metals & Materials Series book series (MMMS)

Abstract

Currently, low traffic roads in most countries are made up of unpaved roads; therefore, to increase the bearing capacity and durability of soils, using stabilizers such as lime and portland cement is required. In this paper, the results obtained from the addition of alternative binder materials based on industrial by products such as alkali activated coal ashes that work as soil stabilizers with sustainability criteria and are assessed through Life Cycle Assessment (LCA); this process is approached from the preparation, packaging and storage of binder material, its activation and finally the application in test sections obtaining unconfined compressive strengths of the order of 2 MPa; which represented an increase in resistance above 300% for the same soil without stabilization.

Keywords

Alternative binder Life cycle assessment Soil stabilization 

Notes

Acknowledgements

Thanks are given to “INNOVIAL”, “Universidad de Medellín” and “Universidad Nacional de Colombia”.

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Copyright information

© The Minerals, Metals & Materials Society 2017

Authors and Affiliations

  • Alejandra Balaguera Quintero
    • 1
  • Diana Gómez Cano
    • 1
  • Gloria Carvajal Peláez
    • 1
  • Yhan Paul Arias
    • 2
    Email author
  1. 1.Facultad de IngenieríaUniversidad de MedellínMedellínColombia
  2. 2.Facultad de ArquitecturaUniversidad Nacional de ColombiaMedellínColombia

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