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April 10, 2026Open Access

Mechanical Properties, Microstructural Characterisation and Durability of High-Performance Concrete Incorporating Rice Husk Ash and Silica Fume as Supplementary Cementitious Materials

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Authors

IFIrene Fernández-García

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Overview

Investigates the mechanical properties of high-performance concrete using RHA and SF, indicating enhanced performance and lower carbon emissions.

Key Points

  • The aim is to evaluate the mechanical and durability properties of high-performance concrete incorporating rice husk ash and silica fume.
  • Evaluating five concrete mix designs with varying RHA and SF percentages
  • Assessing workability, compressive strength, and durability properties
  • Conducting microstructural analysis using SEM/EDX
  • Analyzing load-deflection response of reinforced beams and pore structure evolution via MIP
  • M25+20%SF achieves a 90-day compressive strength of 44.6 MPa, outperforming all RHA mixes.
  • The ternary blend yields a 90-day strength of 42.1 MPa with 24% reduced chloride permeability.
  • SEM analysis shows dense interfacial zones and lower calcium hydroxide in SF mixes.
  • EDX analysis indicates higher Si/Ca ratios, supporting enhanced pozzolanic reactions.

Cite This Study

Irene Fernández-García (2026) studied this question.

synapsesocial.com/papers/69d895206c1944d70ce06288https://doi.org/10.5281/zenodo.19452977
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Also Consider

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  1. 1Synergistic effects of rice husk ash and extracted microsilica on the performance of high-strength concrete2025
  2. 2Optimizing Fresh and Hydration Properties of Concrete with Supplementary Cementitious Materials: A Critical Review on Silica Fume and Rice Husk Ash2026
  3. 3Blast Furnace Slag and Rice Husk Ash as sustainable materials in ternary blended concrete2026
  4. 4Mechanical and Durability Performance of Ternary Blended Green Concrete Incorporating Fly Ash, GGBS, and Agricultural Waste Ash2026
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