›› 2006, Vol. 27 ›› Issue (12): 2177-2180.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Circumstances controlling technology of high altitude tunnel during construction in permafrost regions

ZHU Yong-quan, JIA Xiao-yun, ZHANG Xue-yan   

  1. School of Civil Engineering, Shijiazhuang Railway Institute, Shijiazhuang 050043, China
  • Received:2005-03-03 Online:2006-12-11 Published:2013-12-09

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Abstract: Fenghuoshan and Kunlunshan Tunnels lie in hinterland of Qinghai-Tibet Plateau, of which the altitude is about 5 000 m. The problems of the life and health of workers , the protection of permafrost and the quality of tunnel become very severity because of lack of oxygen, coldness and bad geological condition in permafrost regions. The governing differential equations of construction circumstances temperature field and the surrounding-rock temperature field are established. The simulation of temperature field, the development and application of the construction ventilation and heating unit, the system of making and supplying oxygen, and the system of monitoring and controlling made the general controlling of air temperature and air quality become realism; it can provide important technology guarantee and appropriate working condition.

Key words: permafrost, temperature field, ventilation and heating, making and supplying oxygen, monitoring, circumstances controlling

CLC Number: 

  • U 455
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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