How to get the position, direction and width of buried fault effectively is still very difficult when finding buried faults by measuring 222Rn radioactivity. In this paper we established a technique to carry out buried fault investigation. It was based on Fick’s fist law, Darcy’s law and theory of clusters to analyze radon transportation and simulate 222Rn transportation in ideal conditions. The feasibility indicates that measuring or investigating the concentration of radon to find abnormal region can help people find buried faults. 218Po and 214Po, daughter products of 222Rn, are generally considered to be proportional to initial concentration of 222Rn. 218Po and 214Po have short half-life of 3.05 min and 164us respectively which is very suitable for actual measure work. So in order to accumulate alpha particles effectively, soil gas sampling period is set about twice half-life of 218Po. The established model is applied to analyze two buried fault areas in Southwest China and the results are really much better.
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18th International Conference on Nuclear Engineering
May 17–21, 2010
Xi’an, China
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
978-0-7918-4931-6
PROCEEDINGS PAPER
Research of Radon Transportation Model to Investigate Buried Fault
Lei Wang
,
Lei Wang
Chengdu University of Technology, Chengdu, Sichuan, China
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Xianguo Tuo
,
Xianguo Tuo
Chengdu University of Technology, Chengdu, Sichuan, China
Search for other works by this author on:
Chunlai Liu
Chunlai Liu
Chengdu University of Technology, Chengdu, Sichuan, China
Search for other works by this author on:
Lei Wang
Chengdu University of Technology, Chengdu, Sichuan, China
Xianguo Tuo
Chengdu University of Technology, Chengdu, Sichuan, China
Chunlai Liu
Chengdu University of Technology, Chengdu, Sichuan, China
Paper No:
ICONE18-29191, pp. 83-88; 6 pages
Published Online:
April 8, 2011
Citation
Wang, L, Tuo, X, & Liu, C. "Research of Radon Transportation Model to Investigate Buried Fault." Proceedings of the 18th International Conference on Nuclear Engineering. 18th International Conference on Nuclear Engineering: Volume 3. Xi’an, China. May 17–21, 2010. pp. 83-88. ASME. https://doi.org/10.1115/ICONE18-29191
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