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June 8, 2026Scientific ReportsOpen Access

Influence of siderite aggregate substitution on chloride resistance, durability, and gamma-ray shielding of heavy concrete

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Authors

MEMustafa EkenAGAyşenur GürgenYKYusuf Kavun

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Overview

Randomized trial investigates how siderite affects durability and radiation shielding in heavy concrete, suggesting improved performance.

Key Points

  • This research aims to evaluate how substituting natural aggregates with siderite impacts the performance of heavyweight concrete for radiation shielding.
  • Replaced natural aggregates with 10%, 20%, 30%, and 100% siderite in heavyweight concretes.
  • Conducted tests for compressive strength, abrasion resistance, ultrasonic pulse velocity, freeze-thaw resistance, chloride migration, and gamma-ray attenuation.
  • Maintained constant binder composition and water-to-binder ratio across all samples.
  • Siderite incorporation improved compressive strength and density, enhancing durability performance.
  • A strong inverse relationship was found between compressive strength and chloride migration (R² = 0.97-0.87).
  • Gamma-ray shielding performance increased with higher siderite content, with coarse aggregates showing superior attenuation.

Cite This Study

Eken et al. (2026) studied this question.

synapsesocial.com/papers/6a265bb6ad53cfb9357c5302https://doi.org/10.1038/s41598-026-56551-0
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