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《Chinese Journal of Underground Space and Engineering》 2017-S1
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Investigation and Causes Analysis of the Operating Environment of Extra Long Highway Tunnel

Tang Zhaozhi;Yang Xiujun;Yang Jingyi;Wang Chun;Research Institute of Highway Ministry of Transport;RIOH Transport Consultants Ltd.;  
With the increase of domestic extra long highway tunnel,now the total length of highway tunnel in China has occupied the first place in the world,the highway tunnel has been transferred from construction period to operation period in China. Performance of highway tunnel operating environment not only exerts a direct influence on the traffic conditions of the inside tunnel and road section,but also exerts a direct influence on the electromechanical equipment life. Based on reasons analysis of the cause of bad environment,an extra long certain highway tunnel of the bad environment was taken as background,field test was carried on the smoke,dust and CO concentrations under the closing of all funs condition,the normal operation condition and the opening of all funs condition. Some technological suggestions are proposed for designing,transformation and operation of the extra long highway tunnel in China.
【Fund】: 广东省交通运输厅重大工程项目(科技-2016-01-001)
【CateGory Index】: U453
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