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December 5, 2025CrystalsOpen Access

Analysis of the Role of Fly Ash and Calcium Hydroxide in Synergistically Regulating the Fluidity, Setting, and Strength of Alkali-Activated Slag

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LQLu QiBeihang University

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Overview

Analysis shows the combined use of Fly Ash and Calcium Hydroxide regulates compressive strength in alkali-activated slag, highlighting optimal mass ratio effects.

Key Points

  • The incorporation of fly ash and calcium hydroxide significantly regulates the compressive strength of alkali-activated slag.
  • Optimal performance was observed at a mass ratio of 6.5:3:0.5, with compressive strength reaching 51.6 MPa after 28 days.
  • Analysis of reaction mechanisms utilized methods such as XRD and FT-IR to uncover the interactions between components.
  • Results suggest that fly ash and calcium hydroxide enhance hydration, promoting the formation of effective silicate structures.

Cite This Study

Lu Qi (2025) studied this question.

synapsesocial.com/papers/694022492d562116f28fbe3ahttps://doi.org/10.3390/cryst15121041
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Also Consider

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  1. 1Effect of Steel Slag on Hydration Kinetics and Rheological Properties of Alkali-Activated Slag Materials: A Comparative Study with Fly Ash2024 · 5 citations
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  3. 3Eco-Efficient Alkali-Activated Slag–Fly Ash Mixtures for Enhanced Early Strength and Restoration of Degraded Sites2025 · 2 citations
  4. 4Effect of Steel Slag on the Properties of Alkali-Activated Slag Material: A Comparative Study with Fly Ash2024 · 11 citations
  5. 5Comparative Assessment of Compressive and Splitting Tensile Strengths of Alkali-Activated Slag–Fly Ash Mixtures Cured in Steam Conditions by Incorporating High- and Low-Calcium Fly Ash2025