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July 27, 2026Discover Concrete and CementOpen Access

Influence of ash content and curing age on the workability and residual strength of rice husk ash blended cement mortar

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Authors

BTBello TaofiqARAkeem Ayinde Raheem

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Overview

Randomized trial evaluates workability and strength of rice husk ash blended cement mortar, suggesting sustainable alternatives.

Key Points

  • This research aims to examine how varying rice husk ash content and curing time affect the workability and strength of cement mortar.
  • Produced six cement blends by replacing clinker with rice husk ash at 10–50% with fixed 5% gypsum content.
  • Prepared mortars according to EN 196-1 standards and analyzed mechanical properties at 28 and 180 days.
  • Measured compressive strength and residual performance after high-temperature exposure.
  • 28-day compressive strength decreased with higher rice husk ash content, while long-term strength improved at moderate replacement levels.
  • At 180 days, blends with 20–30% rice husk ash showed comparable or superior compressive strength to the control mix.
  • The 30% blend retained the highest compressive strength after exposure to 950 °C for 60 minutes.

Cite This Study

Taofiq et al. (2026) studied this question.

synapsesocial.com/papers/6a67009540bca442e0d4a65ahttps://doi.org/10.1007/s44416-026-00095-z
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Also Consider

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

  1. 1STRENGTH DEVELOPMENT BY RICE HUSK ASH WITH PARTIAL REPLACEMENT OF CEMENT2025
  2. 2Exploring Rice Husk Ash in Uncontrolled Condition as Supplementary Cementitious Materials for Enhanced Performance in Construction Materials2025
  3. 3Effect of Rice Husk Ash (RHA) and slake-lime as partial replacement of cement in the production of concrete2024
  4. 4Harnessing Agricultural Residues for Eco-Efficient Cement Substitution in Mortar: A Pathway to Low-Carbon and Sustainable Construction2025
  5. 5Effects of Rice Husk Ash on Concrete Compressive Strength: A Systematic Review2026