›› 2006, Vol. 27 ›› Issue (S1): 327-332.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

The ground settlement research of excavation for doubled arch tunnels in expressway

SUN Shao-rui1，WU Ji-min2，WEI Ji-hong2   

  1. 1.Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China； 2. College of Civil Engineering, Hohai University, Nanjing 210098, China
  • Received:2006-06-28 Published:2006-12-15

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Abstract: The ground surface settlement models caused by tunnel excavation are summarized. The discontinuity plane geological characteristics of Hongfeng doubled arch tunnel in Jin-Li-Wen Expressway are investigated and analyzed. The ground surface settlement rule cased by excavation of doubled arch tunnel in case of partial pressure is researched. The ground settlement of Hongfeng doubled arch tunnel during excavation is analyzed. The ground surface settlement models of difference excavations by step for doubled arch tunnel in case of partial pressure are built. The difference settlement of different excavation is analyzed. The ground surface settlement models testified that it forecasts the ground surface settlement of excavation for Hongfeng doubled arch tunnel in case of partial pressure and shallow overburden. It provides a theoretical basis for avoiding overmuch settlement during excavation of shallow doubled arch tunnel.

Key words: partial pressure, doubled arch tunnel, excavation, shallow tunnel, ground surface settlement model, difference settlement model

CLC Number: 

  • TU 45
  • 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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