What question did this study set out to answer?

The aim is to develop a sustainable geopolymer mortar using industrial waste materials and optimizing its mechanical properties.

May 9, 2026Scientific ReportsOpen Access

Polypropylene fiber-reinforced geopolymer mortar from coal washing waste and recycled glass powder: mechanical and microstructural performance

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Randomized trial demonstrates enhanced mechanical performance in geopolymer mortar, suggesting sustainable construction options.

The aim is to develop a sustainable geopolymer mortar using industrial waste materials and optimizing its mechanical properties.
Five-stage experimental approach to optimize binder and ratios
Incorporation of polypropylene fibers for reinforcement
Mechanical performance evaluation through flexural and compressive strength tests
Flexural strength increased by 7% with 0.8% polypropylene fibers
Compressive strength of 42.15 MPa after 28 days, a 50% improvement over Portland cement
SEM, FTIR, and XRD confirmed formation of dense gel phases enhancing properties

Najafitabar et al. (2026) studied this question.

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