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<p>This paper analyzes 96 samples of cement, 55 samples of chamotte, and 21 refractory products (4 refractory cement, 5 refractory bricks, 10 refractory mass, and 2 refractory sand) using low-level gamma spectrometry. Radiological risk is estimated through absorbed dose rates and annual effective dose, while results were compared with similar studies and discussed. Results indicate the need for radioactivity control of these building materials, since high dispersion of the activity concentrations of naturally occurring radionuclides is present, as well as high activity concentrations of <sup>226</sup>Ra and <sup>232</sup>Th compared with other building materials.</p>

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Survey of radiological properties of some commonly used building materials: cement, chamotte and refractory products

  • 期刊论文

  • 发表日期：

    2025年2月5日

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  • J. Knezevic Radic,
  • J. Hansman,
  • D. Mrdja,
  • K. Demirhan,
  • D. Velimirovic,
  • P. Kuzmanovic,
  • S. Forkapic

摘要

This paper analyzes 96 samples of cement, 55 samples of chamotte, and 21 refractory products (4 refractory cement, 5 refractory bricks, 10 refractory mass, and 2 refractory sand) using low-level gamma spectrometry. Radiological risk is estimated through absorbed dose rates and annual effective dose, while results were compared with similar studies and discussed. Results indicate the need for radioactivity control of these building materials, since high dispersion of the activity concentrations of naturally occurring radionuclides is present, as well as high activity concentrations of 226Ra and 232Th compared with other building materials.