›› 2009, Vol. 30 ›› Issue (S2): 387-390.

• Geotechnical Engineering • Previous Articles     Next Articles

Investigation and analysis of engineering problems for loess tunnels

JI Wu-jun   

  1. The Third Engineering Co., Ltd., China Railway Seventh Group, Xianyang 712000, China
  • Received:2009-08-17 Online:2009-08-10 Published:2011-06-21

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Abstract: In light of the built loess tunnels, the engineering geology and hydrogeological conditions have been investigated and analysed. Some support measures and construction methods have been summarized. Meanwhile the engineering problems for loess tunnels have been pointed out. It is shown that the collapse is the main project problem. The main cause making engineering problems is the gather water corridor around tunnels. The main positions of destruction is import and export segments and the stratum in which the geological conditions would be changed suddenly.

Key words: loess tunnel, support measures, construction methods, collapse, gather water corridor

CLC Number: 

  • TU 443
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