Design of Enclosure for Subway Station Foundation Pit in Southward Extension Line of Chengdu Metro Line One

Xiao Jun Zhou; Jing He Wang; Hong Yun Hu

doi:10.4028/www.scientific.net/AMR.671-674.1122

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 671-674Design of Enclosure for Subway Station Foundation...

Design of Enclosure for Subway Station Foundation Pit in Southward Extension Line of Chengdu Metro Line One

Abstract:

This paper summarizes the design of open-cut subway station in Chengdu Metro line one. The station is built by cut and cover method and divided into three special parts with four different cross-sections used for main line and transfer track. Such retaining techniques as bored piles, steel pipe struts, soil nails, rock-bolts, steel-meshes, shotcrete and anchored steel cables are comprehensively used to maintain the stability of foundation pit. The anti-buoyancy coefficient of the open cut station is also derived and attains the requirement of safety and stability for the foundation pit after the utilization of these enclosure measures. The application of the design and construction technique for the subway station may provide guidance for the building of analogous subway station under similar geological and hydrogeological conditions in Chengdu.

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Periodical:

Advanced Materials Research (Volumes 671-674)

Pages:

1122-1125

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.671-674.1122

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Online since:

March 2013

Authors:

Xiao Jun Zhou, Jing He Wang, Hong Yun Hu

Keywords:

Enclosure Structure, Foundation Pit, Open Cut Method, Slope Stability, Subway Station

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References

[1] Zhou, X.J., Zhou, J.M. Urban Metro and Light Rail Transit(in Chinese). Chengdu: Southwest Jiaotong University Press, 2012. 1.

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DOI: 10.1061/9780784412619.168

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[3] Zhou, X.J., Wu, K.X. Design and Construction of Zhangjiawan Yellow River Tunnel in the Project of the No. 2 Gas Transimtting Pipeline From Shanxi to Beijing(in Chinese). Modern Tunnelling Technology, p.32~42.

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