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Investigate the rheological properties, hydration kinetics, and microstructural development of cementitious systems incorporating silica fume and fly ash for self-compacting concrete applications.

June 27, 2026Journal of Composites ScienceOpen Access

Rheological, Thermal, and Microstructural Behavior of Cementitious Systems with Silica Fume and Fly Ash for Self-Compacting Concrete

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Investigate the rheological properties, hydration kinetics, and microstructural development of cementitious systems incorporating silica fume and fly ash for self-compacting concrete applications.
Evaluated cement pastes and mortars prepared with silica fume and fly ash replacement levels of 0%, 5%, 10%, and 15%.
Characterized material behavior via rotational rheometry, semi-adiabatic calorimetry, scanning electron microscopy, and X-ray diffraction.
Silica fume increased plastic viscosity, promoted structural build-up, and refined pore structures through calcium silicate hydrate formation, whereas fly ash decreased both yield stress and viscosity to enhance flowability.
Calorimetry demonstrated that silica fume lowered and delayed the primary exothermic hydration peak at higher dosages, while fly ash reduced peak hydration temperature without substantially shifting its timing.

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Implication

Multiscale study demonstrates complementary rheological and microstructural effects of silica fume and fly ash in cement, indicating improved self-compacting concrete performance.

Cite This Study

Zhumadilova et al. (2026) studied this question.

synapsesocial.com/papers/6a9ac89216c42fd7f79c7ff8 https://doi.org/10.3390/jcs10070341

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Implication

Multiscale study demonstrates complementary rheological and microstructural effects of silica fume and fly ash in cement, indicating improved self-compacting concrete performance.

Rheological, Thermal, and Microstructural Behavior of Cementitious Systems with Silica Fume and Fly Ash for Self-Compacting Concrete

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Discussion

Implication

Cite This Study

Rheological, Thermal, and Microstructural Behavior of Cementitious Systems with Silica Fume and Fly Ash for Self-Compacting Concrete

Key Points

Discussion

Implication

Cite This Study

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