Radon Exhalation Patterns in A Dead-end Tunnel

The regularity of radon exhalation rate in the over-broken granite tunnel is susceptible to weather conditions and ventilation styles. Based on the calculation model of radon exhalation in tunnel, some experiments have been carried out to analyze the variations of radon exhalation in cases of natura...

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Main Authors: Wang Shu Guang, Niu Xiao Bing, Chen Qing, Yang Wei
Format: Article
Language:English
Published: EDP Sciences 2016-01-01
Series:MATEC Web of Conferences
Online Access:http://dx.doi.org/10.1051/matecconf/20166301001
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author Wang Shu Guang
Niu Xiao Bing
Chen Qing
Yang Wei
author_facet Wang Shu Guang
Niu Xiao Bing
Chen Qing
Yang Wei
author_sort Wang Shu Guang
collection DOAJ
description The regularity of radon exhalation rate in the over-broken granite tunnel is susceptible to weather conditions and ventilation styles. Based on the calculation model of radon exhalation in tunnel, some experiments have been carried out to analyze the variations of radon exhalation in cases of natural ventilation, blowing ventilation and exhaust ventilation separately. The results show that there is a linear relation between the radon exhalation and the natural ventilation quantity, and also between the radon exhalation and the ambient temperature; the radon exhalation in the case of exhaust ventilation is 63% higher than that in the blowing case under the condition of the same ventilation quantity and ambient temperature. Therefore, it is suggested that operation in the tunnel in high temperature be avoided in summer, and the blowing ventilation be adopted as an effective way for ventilation.
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spelling doaj.art-f886b672ef2e46c99366cc914056a4302022-12-21T19:49:06ZengEDP SciencesMATEC Web of Conferences2261-236X2016-01-01630100110.1051/matecconf/20166301001matecconf_mmme2016_01001Radon Exhalation Patterns in A Dead-end TunnelWang Shu GuangNiu Xiao BingChen QingYang WeiThe regularity of radon exhalation rate in the over-broken granite tunnel is susceptible to weather conditions and ventilation styles. Based on the calculation model of radon exhalation in tunnel, some experiments have been carried out to analyze the variations of radon exhalation in cases of natural ventilation, blowing ventilation and exhaust ventilation separately. The results show that there is a linear relation between the radon exhalation and the natural ventilation quantity, and also between the radon exhalation and the ambient temperature; the radon exhalation in the case of exhaust ventilation is 63% higher than that in the blowing case under the condition of the same ventilation quantity and ambient temperature. Therefore, it is suggested that operation in the tunnel in high temperature be avoided in summer, and the blowing ventilation be adopted as an effective way for ventilation.http://dx.doi.org/10.1051/matecconf/20166301001
spellingShingle Wang Shu Guang
Niu Xiao Bing
Chen Qing
Yang Wei
Radon Exhalation Patterns in A Dead-end Tunnel
MATEC Web of Conferences
title Radon Exhalation Patterns in A Dead-end Tunnel
title_full Radon Exhalation Patterns in A Dead-end Tunnel
title_fullStr Radon Exhalation Patterns in A Dead-end Tunnel
title_full_unstemmed Radon Exhalation Patterns in A Dead-end Tunnel
title_short Radon Exhalation Patterns in A Dead-end Tunnel
title_sort radon exhalation patterns in a dead end tunnel
url http://dx.doi.org/10.1051/matecconf/20166301001
work_keys_str_mv AT wangshuguang radonexhalationpatternsinadeadendtunnel
AT niuxiaobing radonexhalationpatternsinadeadendtunnel
AT chenqing radonexhalationpatternsinadeadendtunnel
AT yangwei radonexhalationpatternsinadeadendtunnel