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July 22, 2026Journal of Testing and Evaluation

Ground-Granulated Blast-Furnace Slag-Based Geopolymer for Sustainable Stabilization of Coal Ash in Pavements: Experimental, Analytical, and Microstructural Insights

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Authors

HKHrushikesh N. KedarSavitribai Phule Pune UniversitySPSatyajit PatelSardar Vallabhbhai National Institute of Technology Surat

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Implication

Randomized trial demonstrates improved strength and durability in pavement materials using geopolymer stabilization, suggesting an eco-friendly construction alternative.

Key Points

  • This research aims to develop a sustainable pavement foundation using geopolymer-stabilized coal ashes to reduce conventional material reliance.
  • Experimental program conducted with GGBS contents of 3-15% by dry weight of FA and NaOH solutions from 0.5 to 5 M
  • Evaluation of load-bearing capacity, durability, and stiffness of the FA-BA blends
  • Optimization of compositions for long-term performance
  • GGBS-based geopolymers significantly improved load-bearing capacity and durability of FA-BA blends
  • Exhibited superior strength development and resistance to environmental degradation
  • Provided an effective alternative to conventional pavement foundations

Cite This Study

Kedar et al. (2026) studied this question.

synapsesocial.com/papers/6a605dd44163e025518d7bebhttps://doi.org/10.1520/jte20250101
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