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<p>This study evaluates the suitability of shale for ceramic brick production, focusing on mechanical, thermal, and radiological properties. Incorporating 10% and 20% shale into raw clay decreases the plasticity and fired strength. Radioactivity levels of key radionuclides were measured before and after firing, with hazard indices and effective dose estimations assessing safety. Findings confirm the potential of shale as a sustainable clay substitute while identifying necessary precautions. This research offers insights into mitigating environmental impact and optimizing shale-based ceramics for safer construction applications.</p>

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Chemical, technological, and radiological characteristics of raw clay and shale mixtures for ceramic brick production

  • 期刊论文

  • 发表日期：

    2025年6月28日

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  • Milica Vidak Vasić,
  • Predrag Kuzmanović,
  • Jan Hansman,
  • Jovana Knežević Radić,
  • Pedro Muñoz Velasco,
  • Paul O. Awoyera

摘要

This study evaluates the suitability of shale for ceramic brick production, focusing on mechanical, thermal, and radiological properties. Incorporating 10% and 20% shale into raw clay decreases the plasticity and fired strength. Radioactivity levels of key radionuclides were measured before and after firing, with hazard indices and effective dose estimations assessing safety. Findings confirm the potential of shale as a sustainable clay substitute while identifying necessary precautions. This research offers insights into mitigating environmental impact and optimizing shale-based ceramics for safer construction applications.