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October 12, 2025Open Access

Performance of Repair Mortars Composed of Calcium Sulfoaluminate and Amorphous Calcium Aluminate

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Authors

SLSeungtae LeeKunsan National UniversitySPSe-Ho ParkKunsan National University

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Implication

Experiment evaluates mechanical properties and freeze-thaw resistance of repair mortars, suggesting optimal materials for concrete restoration.

Key Points

  • Superior mechanical performance and freeze-thaw resistance were observed in repair mortars containing amorphous calcium aluminate compared to calcium sulfoaluminate.
  • The compressive strength, flexural strength, and ultrasonic pulse velocity were assessed at 1, 7, and 28 days, revealing significant differences in performance.
  • Microstructural analyses showed variations in hydration products influenced by the type of aluminate binder used in the repair mortars.
  • Findings may guide the selection of effective repair materials for addressing concrete deterioration in existing structures.

Cite This Study

Lee et al. (2025) studied this question.

synapsesocial.com/papers/68ebc91af2c3e4d8d926e250https://doi.org/10.20944/preprints202510.0279.v1
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Also Consider

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

  1. 1Performance of Calcium Aluminate and Calcium Sulfoaluminate Cement Mortars Incorporating Fly Ash and Limestone Powder2024
  2. 2Compatibility and Performance Evaluation of Early-Strength Admixtures in Repair Mortar Containing Recycled Concrete Powder and GGBFS2026
  3. 3Assessing the bond strength of expansive agent-enhanced repair mortars for ageing concrete structures2025
  4. 4Study on Properties and Hydration Mechanism of Polymer-Modified High-Belite Sulfoaluminate Cement Repair Mortar2026
  5. 5Laboratory evaluation of rapid-setting concrete mixes for sustainable pavement repairs: a comparative evaluation with traditional concretes2026