›› 2007, Vol. 28 ›› Issue (10): 2240-2244.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on vertical earth pressure calculation of metro tunnel

SONG Yu-xiang1, 2, JIA Xiao-yun2, ZHU Yong-quan2   

  1. 1. Southwest Jiaotong University, Chengdu 610031, China; 2. School of Civil Engineering, Shijiazhuang Railway Institute, Shijiazhuang 050043, China
  • Received:2006-03-15 Online:2007-10-10 Published:2013-10-15
  • Supported by:

    北京地铁公司科研项目（No. DTKH2004010004）

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Abstract: It is the key to design reasonably how to decide the size and distribution of loads on the underground structure in “action-reaction” model. For shallow tunnel in soft stratum, the vertical earth pressure is the whole weight above tunnel. But for deep-seated tunnel, it is decided by proposed formula in code, Terzaghi theory or M. M. Promojiyfakonov theory. It is a significant task to further study because of the question for choosing these formulas. Based on the size, the depth and the stratum of the lines No 4, No 5 and No 10 of Beijing metro tunnel, safety factors of standard sections are analyzed using ordinary overburden pressure theory. The calculation method of vertical earth pressure is presented. Not only it is fit for Beijing metro tunnel, but can be as reference for similar metro tunnel and city underground engineering.

Key words: metro tunnel, overburden load, calculation method

CLC Number: 

  • TU455
  • 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.
  • 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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