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Comparative Life-Cycle Assessment of Steel and GFRP Rebars for Procurement Sustainability in the Construction Industry

Author

Listed:
  • Saad Al Omar

    (Engineering Management Department, College of Engineering, Prince Sultan University, Riyadh 11586, Saudi Arabia)

  • Abdelhakim Abdelhadi

    (Engineering Management Department, College of Engineering, Prince Sultan University, Riyadh 11586, Saudi Arabia)

Abstract

This research examines the potential impact on the procurement sustainability of replacing steel rebars with Glass Fiber-Reinforced Polymer (GFRP) rebars in the construction industry, focusing on screed pre-cast hollow core topping in a project in the Kingdom of Saudi Arabia. A comparative life cycle assessment (LCA) is conducted using One Click LCA (Version 0.26.0) software for cradle-to-grave analysis. The assessment covers various stages, including raw material extraction, manufacturing, transportation, usage, and recycling. The comprehensive LCA highlights GFRP rebars as a more sustainable alternative to steel, emitting 17% less C O 2 equivalent ( 2 e ) per kilogram throughout its life cycle. Additionally, GFRP requires substantially less mass compared to steel, resulting in a dramatic reduction in C O 2 e emissions ranging from 77.89% to 85.26% across different spacing configurations in real-world construction scenarios, as presented in this research case study. These findings suggest that GFRP rebars offer a promising solution for reducing the environmental impact of construction activities while potentially yielding significant cost savings over the project’s life cycle. Integrating environmental considerations into material selection processes can prioritize sustainability without compromising performance or safety, contributing to a more sustainable future for the construction industry globally.

Suggested Citation

  • Saad Al Omar & Abdelhakim Abdelhadi, 2024. "Comparative Life-Cycle Assessment of Steel and GFRP Rebars for Procurement Sustainability in the Construction Industry," Sustainability, MDPI, vol. 16(10), pages 1-22, May.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:10:p:3899-:d:1389818
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    References listed on IDEAS

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    1. Abdulmajeed Almadhi & Abdelhakim Abdelhadi & Rakan Alyamani, 2023. "Moving from Linear to Circular Economy in Saudi Arabia: Life-Cycle Assessment on Plastic Waste Management," Sustainability, MDPI, vol. 15(13), pages 1-22, July.
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