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August 26, 2025Open Access

Hybrid Cements Based on Fly Ash and Blast Furnace Slag with Portland and Calcium Sulfoaluminate Cements: Hydration, Microstructure, and Performance

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Authors

LGLauren Y. Gómez-ZamoranoUniversidad Autónoma de Nuevo León

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Implication

This analysis shows hybrid cements enhance compressive strength in concrete, indicating potential for low-carbon construction solutions.

Key Points

  • The blend with 15% OPC and 35% GGBFS achieved 35.5 MPa compressive strength at 28 days, comparable to conventional mixes.
  • Strength was monitored over 90 days, revealing effectiveness of hybrid cement systems in reducing clinker use while maintaining performance.
  • X-ray diffraction confirmed the formation of ettringite, while SEM showed critical microstructure transformation enhancing durability.
  • Hybrid systems using GGBFS and FA demonstrate a viable alternative to traditional cement, contributing to lower CO₂ emissions in the industry.

Cite This Study

Lauren Y. Gómez-Zamorano (2025) studied this question.

synapsesocial.com/papers/68af63e9ad7bf08b1eae46fehttps://doi.org/10.21203/rs.3.rs-7449461/v1
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