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February 5, 2026

Exploratory study on the rheological behaviour of 3D printable mortars incorporating fine recycled concrete aggregates (FRCA)

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Authors

ESEduardo Kloeckner SbardelottoMVManuel Gomes VieiraKSKaryne Ferreira dos Santos

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Overview

Exploratory study assesses rheological properties of mortars using recycled aggregates, suggesting impact on 3D printing performance.

Key Points

  • To investigate how fine recycled concrete aggregates (FRCA) affect the rheological behaviour of 3D-printable mortars.
  • Conducted rheological tests at 20, 40, and 60 minutes after mixing.
  • Evaluated flow spread, penetration resistance, yield stress, and shear stress.
  • Compared mortars with 25% and 50% FRCA to a reference mixture.
  • Mortars with FRCA showed distinct differences in flow retention compared to the reference mixture.
  • Yield stress and rheological properties evolved over time, affecting extrudability.
  • Findings indicate optimized ratios of FRCA can improve printability in additive manufacturing.

Cite This Study

Sbardelotto et al. (2025) studied this question.

synapsesocial.com/papers/698434cff1d9ada3c1fb3671https://doi.org/10.1051/matecconf/202540906005/pdf
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Also Consider

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

  1. 1Behavior of the use of fine recycled concrete aggregates on rheological parameters and hardened mortar properties2024 · 2 citations
  2. 2Demonstration of 3D-Printed Concrete Containing Fine Recycled Concrete Aggregates (fCAs) and Recycled Concrete Powder (RCP): Rheology, Early-Age, Shrinkage, Mechanical, and Durability Performance2025
  3. 3Sustainable use of 3D-printed plastic waste as aggregate in self-compacting mortar: A study on rheological, mechanical and thermal performance2025 · 4 citations
  4. 4Potential of Reusing 3D Printed Concrete (3DPC) Fine Recycled Aggregates as a Strategy towards Decreasing Cement Content in 3DPC2024 · 17 citations
  5. 5Influence of Addition of Recycled Concrete Aggregate on Physico-Mechanical Properties and Microstructure of Mortar2026 · 1 citations