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This review paper synthesizes recent advances in 3D printing technology that highlight the critical importance of testing and rheological modeling in optimizing cementitious mixtures used as inks in 3D printers. By systematically reviewing current methods and models, the study focuses exclusively on cementitious mixtures, assessing yield stress, plastic viscosity, and stress-recovery behavior to ensure optimum pumpability, extrusion, and structural stability. Rheological models such as the Bingham and HerschelBulkley approaches are extensively discussed for their applicability under varying shear conditions. Additives like nano-clay and silica fume are also examined for their influence on rheological performance-including workability, buildability, and structural integrity. Overall, the review underscores how standardized test methods and advanced rheological models pave the way for innovations in large-scale construction practices.

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A Review of Rheological Testing and Modeling Approaches for Cementitious Mixtures in 3D Printing Applications

  • 会议论文

  • 发表日期：

    2026年

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  • Yeşim Tarhan,
  • İsmail Hakkı Tarhan,
  • Flávio Craveiro,
  • Helena Bártolo

摘要

This review paper synthesizes recent advances in 3D printing technology that highlight the critical importance of testing and rheological modeling in optimizing cementitious mixtures used as inks in 3D printers. By systematically reviewing current methods and models, the study focuses exclusively on cementitious mixtures, assessing yield stress, plastic viscosity, and stress-recovery behavior to ensure optimum pumpability, extrusion, and structural stability. Rheological models such as the Bingham and HerschelBulkley approaches are extensively discussed for their applicability under varying shear conditions. Additives like nano-clay and silica fume are also examined for their influence on rheological performance-including workability, buildability, and structural integrity. Overall, the review underscores how standardized test methods and advanced rheological models pave the way for innovations in large-scale construction practices.