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http://dx.doi.org/10.7742/jksr.2020.14.4.385

The Study of Scattering Dust and Radiation Dose in Pedestrian Tunnels in Metropolitan Area  

Jung, Hongmoon (Department of Radiological Science, Daegu Health College)
Publication Information
Journal of the Korean Society of Radiology / v.14, no.4, 2020 , pp. 385-390 More about this Journal
Abstract
In the present, external environmental factors affect human health. In particular, the most important issue is fine dust in these days. Because fine dust is inhaled through the human respiratory system is known to be harmful to health. Tunnels for cars and people can also be easily seen around us. This study, the amount of scattering radiation was measured for walkable tunnels about dust. For the measurement method, dust and radiation dose in the tunnel were measured on good weather (fine dust level: 0 ~ 30 ㎍/㎥) and normal day (fine dust level: 0 ~ 80 ㎍/㎥). The measurement resulted in an increase of 10~20 % of dust in the center of the tunnel on a good weather day and an increase of 20~30 % of dust in the center of the tunnel on normal weather. On the other hand, the results of tunnel measurement of radiation dose increased by 10~20 % at the center of the tunnel non-depending on the weather. As a result, pedestrians should pay attention to scattering dust and scattered radiation while moving through the tunnel. Therefore, it is recommended to wear a filter mask of PM2.5 or less during frequent tunnel walking.
Keywords
metropolitan pedestrian environment in tunnel; pedestrian dust in tunnel; tunnel radiation dose in pedestrian tunnel; fine dust inside pedestrian tunnels;
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