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March 30, 2026Materials Circular EconomyOpen Access

Waste-Derived Alternatives for Sustainable Cement Replacement in Concrete

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Authors

SAScarlett AllendeMZMuhammad Adeel ZafarRRRajeev Roychand

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Overview

Research shows the viability of waste materials as cement replacements in concrete, indicating lower carbon impact.

Key Points

  • The aim is to explore sustainable alternatives to Portland cement using waste materials for concrete production.
  • Partially replace cement with recycled concrete fines, ground glass, sugarcane bagasse ash, and coffee husk biochar.
  • Conduct physicochemical, mechanical, microstructural, and thermal analyses on concrete mixtures.
  • Perform life cycle and techno-economic assessments to evaluate environmental and economic impacts.
  • SCBA and GG improved compressive strength by up to 64% and 46%, respectively, at 7 days compared to control.
  • CHB showed enhanced internal curing properties due to high porosity.
  • Life-cycle analysis indicated CHB concretes emitted significantly lower CO₂ compared to conventional mixes.
  • Techno-economic assessment identified GG as the most cost-effective alternative.

Cite This Study

Allende et al. (2026) studied this question.

synapsesocial.com/papers/69ca134b883daed6ee0953c6https://doi.org/10.1007/s42824-026-00234-8
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Developing greener concretes from spent bleaching earth and sugarcane bagasse ash2024
  2. 2Transforming Industrial Waste into Low-Carbon Cement: A Multi-Criteria Assessment of Supplementary Cementitious Materials for Sustainable Concrete Design2025
  3. 3Recycling of different industrial wastes as supplement of cement for sustainable production of mortar2024 · 29 citations
  4. 4Utilization of untreated sugarcane bagasse ash in the construction industry2025
  5. 5Study on the Performance of Concrete Using Waste Glass and Sugarcane Bagasse Ash2024