September 11, 2025BuildingsOpen Access

Physicochemical Properties of Alkali-Activated Ground-Granulated Blast Furnace Slag (GGBS)/High-Calcium Fly Ash (HCFA) Cementitious Composites

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The optimized binder achieved a compressive strength of 52.8 MPa and a flexural strength of 9.5 MPa at 28 days, showcasing the material's structural potential.
Increasing HCFA dosage beyond 20% compromised compressive strength, while the flexural strength was highest at this dosage, highlighting the importance of mix proportions.
Characterization revealed that C-(A)-S-H gel was the dominant phase, with high temperatures and acid exposure leading to composition changes impacting strength.
Acid resistance was weaker than alkali resistance, indicating specific degradation patterns depending on the chemical exposure in cementitious applications.

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Implication

This analysis demonstrates compressive and flexural strengths in cementitious composites, suggesting improved acid and alkali resistance in different curing conditions.

Cite This Study

Si et al. (2025) studied this question.

synapsesocial.com/papers/68d43b02713b0b5dfea7b044 https://doi.org/10.3390/buildings15183265

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Implication

This analysis demonstrates compressive and flexural strengths in cementitious composites, suggesting improved acid and alkali resistance in different curing conditions.

Physicochemical Properties of Alkali-Activated Ground-Granulated Blast Furnace Slag (GGBS)/High-Calcium Fly Ash (HCFA) Cementitious Composites

Key Points

Discussion

Implication

Cite This Study

Physicochemical Properties of Alkali-Activated Ground-Granulated Blast Furnace Slag (GGBS)/High-Calcium Fly Ash (HCFA) Cementitious Composites

Key Points

Discussion

Implication

Cite This Study

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