Harmful Gas Measured Research for GuanJiao Tunnel on Qinghai-Tibet Plateau Region

Zun Xian Xie; San Xiang Sun; Guo Liang Li; Dong Zhao

doi:10.4028/www.scientific.net/AMR.415-417.637

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 415-417Harmful Gas Measured Research for GuanJiao Tunnel...

Harmful Gas Measured Research for GuanJiao Tunnel on Qinghai-Tibet Plateau Region

Abstract:

Under the natural ventilation conditions, two stage nitrogen oxides (NO_x), carbon monoxide (CO) and total suspended particles (TSP) in the air of GuanJiao tunnel were monitored. GuanJiao tunnel is located in plateau region and diesel traction trains run through it. Time and space distribution of NO_x, CO and TSP content in the tunnel were analyzed. The results show that the harmful gas concentration of freight train is higher than passenger train under the natural ventilation conditions. 15 min after the train run through the tunnel, NO_x concentrations were less than 2 mg/m3, CO concentrations were less than 3mg/m³, which meet the standard operating ventilation of the ‘operational railway tunnel ventilation design specifications’ (TB10068-2000).

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Periodical:

Advanced Materials Research (Volumes 415-417)

Pages:

637-641

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.415-417.637

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Online since:

December 2011

Authors:

Zun Xian Xie, San Xiang Sun, Guo Liang Li, Dong Zhao

Keywords:

Guanjiao Tunnel, Harmful Gas, Measured Research

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