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| 花岗岩表面裂隙分形特征对氡析出率的影响研究 |
| Study on the Influence of Fractal Characteristics of Granite Surface Cracks on Radon Exhalation Rate |
| 投稿时间：2024-05-28 修订日期：2024-06-05 |
| DOI： |
| 中文关键词: 花岗岩 裂隙 氡析出 分形特征 |
| 英文关键词:granite fracture radon exhalation fractal characteristics |
| 基金项目:湖南省自然科学(2023JJ30508)； 湖南省教育厅重点项目(23A0322)。 |
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| 中文摘要: |
| 作为人们日常生活中常见的岩石,花岗岩表面散发出的氡会对人体造成辐射伤害,因此,研究花岗岩氡释放规律具有重要意义。本文采集了湘东南地区的花岗岩样本,通过自主设计与实现的一款基于python语言的裂隙提取软件获取块状花岗岩的表面裂隙的分形特征,并综合性地分析讨论了裂隙的分形特征与花岗岩氡析出的相关关系,为进一步阐明花岗岩表面裂隙对氡析出能力的影响机制提供了新的思路和方法。结果表明,标准化处理后的氡析出率,能够更好的反应花岗岩氡析出率与其他参数的相关性。通过裂隙提取软件获取的花岗岩的表面裂隙的分形特征可以帮助研究人员理解裂隙的几何复杂性及其可能的影响因素。块状花岗岩表面裂隙的分维值与氡析出率的关系受铀含量和镭活度影响较大,排除它们对氡析出率的影响后,相关性得到提升。 |
| 英文摘要: |
| Granite, a rock commonly found in everyday life, emits radon from its surface, which can pose radiation hazards to humans. Hence, investigating the radon exhalation patterns of granite is of significant importance. This study collected granite samples from the southeastern region of Hunan and employed a self-designed and implemented fracture extraction software based on the Python language to determine the fractal characteristics of surface fractures on bulk granite. A comprehensive analysis was conducted to discuss the correlation between the fractal characteristics of the fractures and radon exhalation from granite, offering new perspectives and methodologies to further elucidate the mechanism by which surface fractures on granite influence radon exhalation capacity. The findings suggest that the radon exhalation rate, after standardization, better reflects the correlation between the radon exhalation rate of granite and other parameters. The fractal characteristics of granite surface fractures obtained through the fracture extraction software aid researchers in understanding the geometric complexity of the fractures and their potential influencing factors. The relationship between the fractal dimension of surface fractures on bulk granite and the radon exhalation rate is significantly affected by the uranium content and radium activity. Once their impact on the radon exhalation rate is excluded, the correlation is enhanced. |
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