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Life Cycle Analysis of Strengthening Existing RC Structures with R-PE-UHPFRC

Author

Listed:
  • Amir Hajiesmaeili

    (Maintenance and Safety of Structures, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland)

  • Francesco Pittau

    (Institute of Construction and Infrastructure Management, Swiss Federal Institute of Technology Zurich (ETH Zurich), CH-8093 Zurich, Switzerland)

  • Emmanuel Denarié

    (Maintenance and Safety of Structures, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland)

  • Guillaume Habert

    (Institute of Construction and Infrastructure Management, Swiss Federal Institute of Technology Zurich (ETH Zurich), CH-8093 Zurich, Switzerland)

Abstract

(PE)-UHPFRC, a novel strain hardening ultra high-performance fiber reinforced concrete (UHPFRC) with low clinker content, using Ultra-High Molecular Weight Polyethylene (UHMW-PE) fibers, was developed for structural applications of rehabilitation. A comprehensive life cycle assessment (LCA) was carried out to study the environmental impact of interventions on an existing bridge using PE-UHPFRC compared with conventional UHPFRC and post-tensioned reinforced concrete methods in three categories of global warming potential (GWP), cumulative energy demand (CED), and ecological scarcity (UBP). The results showed 55% and 29% decreases in the environmental impact of the PE-UHPFRC compared with reinforced concrete and conventional UHPFRC methods, respectively, which highlighted the effectiveness of this material for the rehabilitation/strengthening of structures from the viewpoint of environmental impact.

Suggested Citation

  • Amir Hajiesmaeili & Francesco Pittau & Emmanuel Denarié & Guillaume Habert, 2019. "Life Cycle Analysis of Strengthening Existing RC Structures with R-PE-UHPFRC," Sustainability, MDPI, vol. 11(24), pages 1-13, December.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:24:p:6923-:d:294406
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    References listed on IDEAS

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    1. World Commission on Environment and Development,, 1987. "Our Common Future," OUP Catalogue, Oxford University Press, number 9780192820808.
    2. Stern,Nicholas, 2007. "The Economics of Climate Change," Cambridge Books, Cambridge University Press, number 9780521700801, October.
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    Cited by:

    1. Svetlana Pushkar & Yuri Ribakov, 2020. "Life-Cycle Assessment of Strengthening Pre-Stressed Normal-Strength Concrete Beams with Different Steel-Fibered Concrete Layers," Sustainability, MDPI, vol. 12(19), pages 1-15, September.
    2. Numa Bertola & Célia Küpfer & Edgar Kälin & Eugen Brühwiler, 2021. "Assessment of the Environmental Impacts of Bridge Designs Involving UHPFRC," Sustainability, MDPI, vol. 13(22), pages 1-19, November.

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