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Life-Cycle Assessment of Strengthening Pre-Stressed Normal-Strength Concrete Beams with Different Steel-Fibered Concrete Layers

Author

Listed:
  • Svetlana Pushkar

    (Department of Civil Engineering, Ariel University, Ariel 40700, Israel)

  • Yuri Ribakov

    (Department of Civil Engineering, Ariel University, Ariel 40700, Israel)

Abstract

This study aimed to determine the difference between two alternatives for pre-stressed normal-strength concrete beams according to life-cycle assessments (LCAs): strengthening the PNSC (pre-stressed normal-strength concrete) beam on one side with a 70 mm width, steel-fibered, high-strength concrete layer (Case 1) and strengthening the PNSC beams by jacketing on three sides with 30 mm width, ultra-high-performance, fiber-reinforced concrete layers (Case 2). We conducted LCAs of these cases using the ReCiPe2016 midpoint and endpoint-single-score methods. The differences among the beams’ endpoint-single-score results were evaluated using a two-stage nested analysis of variance. The ReCiPe2016 midpoint results showed that compared to Case 2, Case 1 reduced the global warming potential, terrestrial ecotoxicity, water consumption, and fossil-resource-scarcity impacts by 73–80%. The ReCiPe2016 endpoint-single-score results showed that the environmental damage from Case 1 was significantly lower ( p = 0.0003) than that from Case 2. These findings could be promising and useful for studying sustainability in construction.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:19:p:7958-:d:419798
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    References listed on IDEAS

    as
    1. Svetlana Pushkar, 2019. "The Effect of Different Concrete Designs on the Life-Cycle Assessment of the Environmental Impacts of Concretes Containing Furnace Bottom-Ash Instead of Sand," Sustainability, MDPI, vol. 11(15), pages 1-20, July.
    2. 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.
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    Cited by:

    1. 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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