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Study of the influence of porosity on the radon emanation coefficient in different building material samples by combining the SSNTD technique with Monte Carlo simulations
Institution:1. Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University, Tianjin, China;2. National & Local Joint Engineering Research Center for Airborne Pollutants Control and Radioactivity Protection in Buildings, School of Civil Engineering, University of South China, Hengyang, China;1. Research Institute of High-tech, Xi''an, 710025, China;2. Haiying Group of CASIC Co., Ltd, Beijing, 10070, China;3. Institute of the Building Environment & Sustainability Technology, School of Human Settlements and Civil Engineering, Xi''an Jiaotong University, Xi''an, 710049, China;1. Geoscience Data Center, Korea Institute of Geoscience and Mineral Resources (KIGAM), 124, Gwahak-ro, Yuseong-gu, Daejeon 34132, Republic of Korea;2. Department of Geophysical Exploration, Korea University of Science and Technology, 217, Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea;3. Division of Science Education, Kangwon National University, 1, Gangwondaehak-gil, Chuncheon-si, Gangwon-do 24341, Republic of Korea;4. Department of Civil and Environmental Engineering and Water Resources Research Center, University of Hawaii at Manoa, Honolulu, HI 96822, USA;5. Indoor Environment and Noise Research Division, Environmental Infrastructure Research Department, National Institute of Environmental Research, Seo-gu, Incheon 22689, Republic of Korea;6. Department of Astronomy, Space Science and Geology, Chungnam National University, Daejeon 34134, Republic of Korea;7. Geology Division, Korea Institute of Geoscience and Mineral Resources (KIGAM), 124, Gwahak-ro, Yuseong-gu, Daejeon 34132, Republic of Korea
Abstract:Radon alpha-activities per unit volume have been measured inside and outside different building material samples by using CR-39 and LR-115 type II solid state nuclear track detectors (SSNTD). Radon emanation coefficients of the studied building materials have been evaluated. The porosities of the building material samples studied have been determined by using a Monte Carlo calculational method adapted to the experimental conditions and compared with data obtained by the Archimedes's method. The influence of the building material porosity on the radon emanation coefficient has been investigated.
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