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<p>The amplification of radon migration by surface damage in uranium tailings dam needs attention. In laboratory experiments, a binocular camera was used to obtain the post-earthquake displacement and crack of the dam surface, and local static method was used to measure radon concentration. The deformation cloud maps from kriging-interpolated displacements matched cracking. As the intensity of the earthquake increased, the displacement, crack rate, and radon exhalation monotonically increased, with a slow to fast rate of change. The mutation time of crack rate was the earliest, which could predict the trend of displacement and radon exhalation.</p>

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Research on the correlation between surface damage and radon exhalation rate of uranium tailings dam after earthquakes based on binocular vision

  • 期刊论文

  • 发表日期：

    2025年5月22日

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  • Kai Liu,
  • Chenxiao Chang,
  • Xingwang Dai,
  • Yong Liu,
  • Zhenghua Xu,
  • Changshou Hong

摘要

The amplification of radon migration by surface damage in uranium tailings dam needs attention. In laboratory experiments, a binocular camera was used to obtain the post-earthquake displacement and crack of the dam surface, and local static method was used to measure radon concentration. The deformation cloud maps from kriging-interpolated displacements matched cracking. As the intensity of the earthquake increased, the displacement, crack rate, and radon exhalation monotonically increased, with a slow to fast rate of change. The mutation time of crack rate was the earliest, which could predict the trend of displacement and radon exhalation.