›› 2010, Vol. 31 ›› Issue (S1): 279-283.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Anti-floating safety design of structures in metro station considering friction resistance enclosure protection

YE Jun-neng1, LIU Gan-bin2   

  1. 1. Ningbo Urban Rail Transit Project Construction Headquarters, Ningbo, Zhejiang 315012, China; 2. Faculty of Architectural Civil Engineering and Environment, Ningbo University, Ningbo, Zhejiang 315211, China
  • Received:2010-05-01 Online:2010-08-10 Published:2010-09-09

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Abstract:

In the design of underground structure, the action of the side friction is rarely considered and the determination method of the side friction is also not given in the design specification. Therefore, there is no unified regulations on anti-floating safety coefficient which can be ascertained according to the similar engineering practice. In this paper, the structure of the stations in Ningbo urban rail transit project is investigated by using the available experience and the uplift test results. The side friction of the structure is calculated; then the critical width of the station structure is ascertained when the anti-floating safety is considered. The results can provide a little of instruction on the design of metro station.

Key words: side friction, station structure, anti-floating, safety design

CLC Number: 

  • TU 46
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