Influence Analysis of Ground Asymmetric Filling Load on Spandrel with Different Bases of Existing Open Trench Tunnels

Jing Cao; Qiong Xiang Pu; Hai Ming Liu; Shi Sheng Zeng

doi:10.4028/www.scientific.net/AMM.644-650.5028

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 644-650Influence Analysis of Ground Asymmetric Filling...

Influence Analysis of Ground Asymmetric Filling Load on Spandrel with Different Bases of Existing Open Trench Tunnels

Abstract:

Based on the theory of equivalent internal friction angle, the soil layers around the tunnel were equal to cohesionless homogeneous mass in this paper. On the basis of the Terzarghi unconsolidated mass theory, the local soil arching effect of the existing open trench tunnel which was located the side walls load was discussed under the ground asymmetric filling. Furthermore, when the backfill soil appeared the local soil arching effect, the critical embedded depth formula was given. Finally, it is concluded that both the size and distribution of the ground asymmetric filling load have influence on the local soil arching effect of the existing open trench tunnel.

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Periodical:

Applied Mechanics and Materials (Volumes 644-650)

Pages:

5028-5034

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.644-650.5028

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Online since:

September 2014

Authors:

Jing Cao*, Qiong Xiang Pu, Hai Ming Liu, Shi Sheng Zeng

Keywords:

Equivalent Internal Frictionangle, Existing Open Trench Tunnel, Ground Asymmetric Filling Load, Soil Arching Effect, Spandrel with Different Bases

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