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July 27, 2026Case Studies in Construction MaterialsOpen Access

Hydration behavior, silicate polymerization and mechanical performance of granulated blast furnace slag-desulfurization gypsum binders under different activation systems

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Authors

XJXiaodong JiaoHLHui LiJXJianping Xiong

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Overview

Randomized trial investigates the effects of activators on mechanical properties of binders, suggesting improvements for sustainable materials.

Key Points

  • This work aims to explore the activation effects of various low-carbon materials on slag-desulfurization gypsum binders.
  • Investigated hydration behavior and mechanical properties using compressive and flexural strength tests
  • Conducted hydration heat analysis and various material characterization techniques including XRD, TG-DTG, and SEM
  • Utilized different activators: Portland cement, sodium metasilicate, and carbide slag
  • Carbide slag at 1% optimized dosage achieved a maximum compressive strength of 57.4 MPa at 28 days
  • Sodium metasilicate and carbide slag significantly enhanced hydration activity compared to Portland cement
  • Exceeding optimal activator dosages led to reduced strength and stability due to low-polymerized Q¹ structures

Cite This Study

Jiao et al. (2026) studied this question.

synapsesocial.com/papers/6a67004840bca442e0d4a0fehttps://doi.org/10.1016/j.cscm.2026.e06350
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Optimization and Hydration Mechanisms of Self-Activated Cementitious Binders Prepared from Ground Granulated Blast Furnace Slag, Carbide Slag, Desulfurized Gypsum and Silica Fume2026
  2. 2Mechanism of Activation and Microstructural Evolution in Calcium Carbide Slag-Activated GGBS-CG Composite Cementitious Materials2025 · 11 citations
  3. 3Effect of Activation Mode on the Use of Black Slag in Cementitious Materials for Ecological and Sustainable Construction2026
  4. 4Synergistic effect of DTPA-5Na and FGD gypsum on basic oxygen furnace slag-based cementitious materials2026
  5. 5Characteristics of slag cement with complex activator with gypsum-bearing waste2025