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January 25, 2026BuildingsOpen Access

Influence of Addition of Recycled Concrete Aggregate on Physico-Mechanical Properties and Microstructure of Mortar

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Authors

GRGabriela RutkowskaBFBarbara FranckeFCFilip Chyliński

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Overview

Experimental study shows enhanced performance of mortar with recycled concrete aggregates, suggesting sustainability in construction.

Key Points

  • Evaluate the effects of recycled concrete aggregate (RCA) on the properties and microstructure of cement mortars.
  • Tested mortar mixtures with 25%, 50%, 75%, and 100% RCA against a reference mix
  • Measured bulk density, compressive strength, flexural strength, water absorption, and freeze-thaw resistance
  • Conducted microstructural observations to assess internal structure changes in mortars
  • Mortars with RCA showed higher early-age compressive and flexural strengths, especially at 50-100% RCA
  • Increased porosity and water absorption were noted in RCA-based mixes, affecting freeze-thaw resistance
  • Up to 50% RCA incorporation can yield performance comparable to conventional mixtures under non-freezing conditions

Cite This Study

Rutkowska et al. (2026) studied this question.

synapsesocial.com/papers/6975b38dfeba4585c2d6f021https://doi.org/10.3390/buildings16030466
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Also Consider

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

  1. 1An Evaluation of the Strength for Recycled Fine Aggregate Replacement in Cementitious Mortars2024 · 1 citations
  2. 2Structural aspects of concrete incorporating recycled coarse aggregates from construction and demolished waste2024 · 8 citations
  3. 3Optimizing mechanical and durability properties of recycled aggregate concrete using pozzolanic slurries and modified mixing approach2024 · 5 citations
  4. 4Evaluating Recycled Concrete Aggregate and Sand for Sustainable Construction Performance and Environmental Benefits2024 · 10 citations
  5. 5Development of High-Performance Eco-Friendly Concrete Incorporating Recycled Fine Aggregates: Mechanical, Microstructural and Carbon Footprint Assessment2026 · 4 citations