Finite Element Analysis of the Surface Settlement Induced by the Shield Tunnel Construction

Ling Xia Gao; Xiang Jun Yang; Li Kun Qin

doi:10.4028/www.scientific.net/AMM.501-504.111

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 501-504Finite Element Analysis of the Surface Settlement...

Finite Element Analysis of the Surface Settlement Induced by the Shield Tunnel Construction

Abstract:

Three-dimensional non-linearity finite element model of shield tunnel was established on basis of the Z1 line of Tianjin subway. And then it was applied to simulate construction process of shield tunnel. Surface settlement of the tunnel during the construction was obtained. The settlement data of transverse and longitudinal direction from numerical simulation were fitted through a polynomial expression. Then a contrastive analysis of curves from numerical simulation and matching formulae were made. The result shows that it is feasible to utilize the empirical formulas like Pecks to predict surface settlement in Tianjin caused by shield construction.

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Periodical:

Applied Mechanics and Materials (Volumes 501-504)

Pages:

111-114

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.501-504.111

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Online since:

January 2014

Authors:

Ling Xia Gao*, Xiang Jun Yang, Li Kun Qin

Keywords:

Ground Settlement, Numerical Simulation, Shield Tunnel

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