ISSN 2096-4498
CN 44-1745/U
Tunnel Construction ›› 2013, Vol. 33 ›› Issue (7): 607-614.DOI: 10.3973/j.issn.1672-741X.2013.07.014
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ZHAO Yuxi
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Abstract:
The accurate positioning of the intermediate piles of Metro stations constructed by cutandcover topdown method is one of the key technologies for the construction of the intermediate piles. Fumin station of line 7 of Shenzhen Metro is constructed by cutandcover topdown method. In the construction of the Metro station, a positioning device is developed and applied for the intermediate piles. The engineering practice shows that, due to the application of the positioning device, accurate positioning of the intermediate piles has been achieved. In the paper, the application of the positioning device, the design and application of the movable joints, the construction of the intermediate piles and the measurement of the inclination of the lattice columns are presented.
Key words: Metro station, cutandcover topdown construction method, intermediate pile, positioning device, lattice column, movable joint, accurate positioning
ZHAO Yuxi. Positioning Technology for Square Intermediate Piles of Metro Stations Constructed by Cutandcover Topdown Method[J]. Tunnel Construction, 2013, 33(7): 607-614.
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URL: http://www.suidaojs.com/EN/10.3973/j.issn.1672-741X.2013.07.014
http://www.suidaojs.com/EN/Y2013/V33/I7/607