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The aim is to evaluate the physicochemical properties of fly ash recovered from ash dams for its suitability in cement-based applications.

August 9, 2026Construction MaterialsOpen Access

Physicochemical Analysis of Recovered Fly Ash and Their Suitability in Mortar and Concrete Applications

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The aim is to evaluate the physicochemical properties of fly ash recovered from ash dams for its suitability in cement-based applications.
Characterized physicochemical properties including particle size, pH, and density.
Beneficiated fly ash through drying, breaking agglomerates, and sieving.
Conducted compressive strength tests on mortar samples blended with fly ash.
The recovered fly ashes were classified as Class F, containing amorphous aluminosilicates.
Mortars blended with fly ash demonstrated higher compressive strength gain at later ages compared to reference Portland cement mortars.
Strength gain is influenced by the fineness, amorphous content, and mineralogy of each ash sample.

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Investigates the physicochemical properties of fly ash for cement applications, indicating its viability in construction materials.

Amadi et al. (2026) studied this question.

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