一种建材所致室内氡暴露剂量的矩阵评价方法

Abstract

Abstract: In order to make the evaluation of indoor radon exposure dose more systematic and universally applicable, an evaluation method of indoor radon exposure dose caused by building materials was established by using matrix. Based on indoor radon concentration model, personnel exposure dose estimation model and standards, four factors including radon exhalation rate of building materials, building structure size, indoor air exchange rate and personnel exposure time were combined in this method. The complex calculation under different conditions is converted into the matrices. Using this method, the radon exposure dose levels of indoor personnel under different air exchange rates and different exposure duration can be obtained. Taking a room with known size and known radon exhalation rate of building materials as an example, this method was used to analyze and evaluate the indoor radon exposure dose. The indoor radon exposure dose levels under different ventilation rates and exposure duration were quickly and simply obtained from reference table.

Key words: building materials, radon exhalation, indoor radon exposure, matrix

CLC Number:

X820

XU Pengcheng, ZENG Zhi, MA Hao, SUN Bowen, LI Junli. An evaluation method of indoor radon exposure dose matrix caused by building materials[J].RADIATION PROTECTION, 2023, 43(3): 249-256.

References

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An evaluation method of indoor radon exposure dose matrix caused by building materials

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