Typical Portal Structure for Single Track High Speed Railway Tunnel in Rugged Mountainous Area with High and Abrupt Slope

Xiao Jun Zhou; Bo Jiang; Yue Feng Zhou; Yu Yu

doi:10.4028/www.scientific.net/AMM.716-717.342

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 716-717Typical Portal Structure for Single Track High...

Typical Portal Structure for Single Track High Speed Railway Tunnel in Rugged Mountainous Area with High and Abrupt Slope

Abstract:

On the basis of different landform and multifarious topography in rugged mountainous area in southwest China, typical tunnel portals for single track tunnels in a new high speed railway line have been presented in the paper. The portal comprises headwall, shed tunnel, bridge abutment and its support. Portal with headwall is suitable for tunnel to resist front earth pressure on high and abrupt slope. Shed tunnel is placed in front of headwall so as to prevent rockfall; its outward part is built into a flared one. Meanwhile, the installation of bridge and its abutment are also included in the portal according to landform in the paper.

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Periodical:

Applied Mechanics and Materials (Volumes 716-717)

Pages:

342-346

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.716-717.342

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Online since:

December 2014

Authors:

Xiao Jun Zhou*, Bo Jiang, Yue Feng Zhou, Yu Yu

Keywords:

Abrupt Slope, Bridge-Tunnel Concatenation, High Slope, Mountain Tunnel, Portal Structure, Single Track Tunnel, Tunnel Lining

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References

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