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<p>A uranium tailings pond in the humid area of southern China was taken as the research object. Through the simulation of high temperature solarization test on the scale model of uranium tailings pond, the effect of adding different particle size sand in the covering layer on the radon exhalation rate of uranium tailings beach surface under high temperature solarization conditions was investigated. The results show that in the initial state, the radon exhalation rate of the soil covered with coarse sand is the largest, the radon exhalation rate of the soil covered with pure soil under the condition of high temperature and sunshine is the largest, and the radon exhalation rate of the surface of the soil specimen when added with medium type sand is the smallest.</p>

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Effect of different particle size sand in overburden on radon exhalation rate of uranium tailings reservoir beach surface

  • 期刊论文

  • 发表日期：

    2025年1月4日

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  • Yifan Chen,
  • Shijie Fang,
  • Xingwang Dai,
  • Yong Liu,
  • Zhangkai Chen

摘要

A uranium tailings pond in the humid area of southern China was taken as the research object. Through the simulation of high temperature solarization test on the scale model of uranium tailings pond, the effect of adding different particle size sand in the covering layer on the radon exhalation rate of uranium tailings beach surface under high temperature solarization conditions was investigated. The results show that in the initial state, the radon exhalation rate of the soil covered with coarse sand is the largest, the radon exhalation rate of the soil covered with pure soil under the condition of high temperature and sunshine is the largest, and the radon exhalation rate of the surface of the soil specimen when added with medium type sand is the smallest.