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<p>In this study, the radiation shielding performance of concretes fabricated with basalt, sand, cement, peanut shell ash (PNSA), CaO, Al<sub>2</sub>O<sub>3</sub>, and SiO<sub>2</sub> was evaluated using Phy-X software. Cement was systematically replaced with a mixture of PNSA, CaO, Al<sub>2</sub>O<sub>3</sub>, and SiO<sub>2</sub>. The densities increased from 2.050&#xa0;g/cm<sup>3</sup> (PA0) to 2.130&#xa0;g/cm<sup>3</sup> (PA60). At 0.600&#xa0;MeV, the linear attenuation coefficients (LAC) ranged between 0.142 and 0.154&#xa0;cm<sup>−1</sup> for PA0 and PA60, respectively. PA60 exhibited the highest density, LAC, thermal stability, and structural integrity, confirming it as the optimum mix for gamma radiation protection.</p>

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Impact of CaO, SiO2, and Al2O3 on the Thermal Stability, Structural Integrity, and Gamma Radiation Protection Efficiency of Concretes Blended with Peanut Shell Ash

  • 期刊论文

  • 发表日期：

    2025年11月12日

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  • U. Rilwan,
  • Mohammad Marashdeh,
  • M. I. Sayyed,
  • Hassan Yahaya

摘要

In this study, the radiation shielding performance of concretes fabricated with basalt, sand, cement, peanut shell ash (PNSA), CaO, Al2O3, and SiO2 was evaluated using Phy-X software. Cement was systematically replaced with a mixture of PNSA, CaO, Al2O3, and SiO2. The densities increased from 2.050 g/cm3 (PA0) to 2.130 g/cm3 (PA60). At 0.600 MeV, the linear attenuation coefficients (LAC) ranged between 0.142 and 0.154 cm−1 for PA0 and PA60, respectively. PA60 exhibited the highest density, LAC, thermal stability, and structural integrity, confirming it as the optimum mix for gamma radiation protection.