Design of Shallow Depth Tunnel with Asymmetric Twin Arches and its Construction Procedure in Poor Rock Mass

Xiao Jun Zhou; Xiao Feng Wang

doi:10.4028/www.scientific.net/AMM.353-356.1321

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Numerical Analysis on Minimal Safe Distance between Two Opposite Excavation Faces of Deep-Buried Tunnel
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Design of Shallow Depth Tunnel with Asymmetric Twin Arches and its Construction Procedure in Poor Rock Mass
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 353-356Design of Shallow Depth Tunnel with Asymmetric...

Design of Shallow Depth Tunnel with Asymmetric Twin Arches and its Construction Procedure in Poor Rock Mass

Abstract:

An asymmetric twin arched tunnel is designed to meet the line development of triple track railway in accordance with ground geological condition and topography in this paper. A partition wall is adopted to support the double arches of the tunnel, and the pilot drift and bench cut method is utilized to preserve the safe excavation of the double arch tunnel in poor rock mass in the paper. The design technique and construction method may guide the driving of such tunnels under similar condition.

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Periodical:

Applied Mechanics and Materials (Volumes 353-356)

Pages:

1321-1324

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.353-356.1321

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Online since:

August 2013

Authors:

Xiao Jun Zhou, Xiao Feng Wang

Keywords:

Asymmetric Twin Arch, Excavation Procedure, Partition Wall, Shallow Depth Tunnel, Tunnel Support

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References

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