Optimized mix proportion design for radiation-shielding concrete using particle swarm optimization: a case study on fast neutron and gamma shielding

IF 1.5 3区化学 Q3 CHEMISTRY, ANALYTICAL

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-02-21 DOI:10.1007/s10967-025-10022-4

Haoxuan Li, Fengdi Qin, Zhongkai Fan, Hui Yang, Tianyu Deng, Xiangming Cai, Xuwei Zeng, Hongliang Li, Jian Shan

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Abstract

This study, adhering to the Chinese standard GB/T 34008-2017, introduces a penalty-function-based particle swarm optimization algorithm and proposes an innovative approach for optimizing the aggregate mix ratio in radiation-shielding concrete. Utilizing barite, magnetite, and hematite as aggregates, the proposed optimization method yielded optimal mix ratios tailored for shielding 4.5 and 10 MeV neutrons while achieving target compressive strengths of 35 and 40 MPa. Geant4 simulations and experimental validations confirm that the optimized concrete offers robust neutron and gamma-ray shielding properties. Compared to conventional concrete, it achieves a 20.89% reduction in maximum neutron absorption dose and enhances the gamma-ray linear attenuation coefficient by up to 43.17%. The developed optimization method offers valuable guidance for shielding design in nuclear technology application laboratories.

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基于粒子群优化的辐射屏蔽混凝土配合比优化设计——以快中子和伽马屏蔽为例

本研究依据国家标准GB/T 34008-2017，引入了基于罚函数的粒子群优化算法，提出了一种优化辐射屏蔽混凝土骨料配合比的创新方法。利用重晶石、磁铁矿和赤铁矿作为聚集体，提出的优化方法产生了适合屏蔽4.5和10 MeV中子的最佳混合比例，同时达到35和40 MPa的目标抗压强度。Geant4模拟和实验验证证实，优化后的混凝土具有强大的中子和伽马射线屏蔽性能。与传统混凝土相比，最大中子吸收剂量降低了20.89%，伽马射线线性衰减系数提高了43.17%。该优化方法对核技术应用实验室的屏蔽设计具有重要的指导意义。

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来源期刊

Journal of Radioanalytical and Nuclear Chemistry 化学-分析化学

CiteScore

2.80

自引率

18.80%

发文量

504

审稿时长

2.2 months

期刊介绍： An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.