Abstract
Soil cohesion can be improved with reinforcement treatment. Glass fiber, polypropylene fiber, jute, and other commonly used organic and inorganic fiber materials were used as experimental materials to investigate the effect of reinforcement fiber type and dosage on radon exhalation in uranium tailings overlying soil under high temperature environment, and soil samples with different fiber types and dosages were prepared for radon exhalation test. The correlation analysis method was used to investigate the relationship between the radon exhalation law and the type and amount of reinforcing fibers in the overburden, and a linear function was constructed between the radon exhalation rate and the type and amount of reinforcing fibers. The results show that the radon exhalation rate of the jute reinforcement treatment is the lowest under the same dosage, followed by the polypropylene reinforcement treatment, and the effect of the glass fiber reinforcement treatment is the worst, but the radon exhalation rate of all treatments is high. In plain soil, increasing the fiber reinforcement reduces the degree of soil cracking and the rate of radon exhalation. When the material source and cost are taken into account, the jute reinforcement treatment can achieve a lower radon exhalation rate.
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Funding
This study was funded by the National Natural Science Foundation of China (Grant No. 11875164); Postgraduate Scientific Research Innovation Project of Hunan Province (Grant No. QL20220212); About the sixth batch of projects in the "Thirteenth Five-Year Plan” for basic technical research (Grant No. JSZL 2019 403 sC001).
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Chen, Y., Song, J., Xu, Z. et al. Influence of fiber type and amount of reinforcing fibers on radon exhalation in uranium tailings’ overburden under high temperature environment. J Radioanal Nucl Chem 332, 243–250 (2023). https://doi.org/10.1007/s10967-023-08763-1
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DOI: https://doi.org/10.1007/s10967-023-08763-1