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Three-dimensional modelling of tunnel excavation and lining

Galli, G / Grimaldi, A / Leonardi, A

AbstractIn this study, a 3D finite element model is applied to simulate the conventional procedure of tunnel excavation and lining. Both shallow and deep tunnels are considered in soils modelled with Mohr–Coulomb elasto-plastic constitutive equation. A polycentric tunnel cross-section with temporary lining and soil-nailing of the face excavation is studied. The numerical results show the influence of the soil properties and excavation procedures on face deformation and ground settlements. The model allows to evaluate the lining–soil interaction and the stress distribution in both the lining and the reinforcing structural elements.

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Three-dimensional modelling of tunnel excavation and lining

Galli, G / Grimaldi, A / Leonardi, A

AbstractIn this study, a 3D finite element model is applied to simulate the conventional procedure of tunnel excavation and lining. Both shallow and deep tunnels are considered in soils modelled with Mohr–Coulomb elasto-plastic constitutive equation. A polycentric tunnel cross-section with temporary lining and soil-nailing of the face excavation is studied. The numerical results show the influence of the soil properties and excavation procedures on face deformation and ground settlements. The model allows to evaluate the lining–soil interaction and the stress distribution in both the lining and the reinforcing structural elements.

Three-dimensional modelling of tunnel excavation and lining

Galli, G / Grimaldi, A / Leonardi, A

AbstractIn this study, a 3D finite element model is applied to simulate the conventional procedure of tunnel excavation and lining. Both shallow and deep tunnels are considered in soils modelled with Mohr–Coulomb elasto-plastic constitutive equation. A polycentric tunnel cross-section with temporary lining and soil-nailing of the face excavation is studied. The numerical results show the influence of the soil properties and excavation procedures on face deformation and ground settlements. The model allows to evaluate the lining–soil interaction and the stress distribution in both the lining and the reinforcing structural elements.

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Document information

Title:

Three-dimensional modelling of tunnel excavation and lining

Contributors:

Galli, G (author) / Grimaldi, A (author) / Leonardi, A (author)

Published in:

Computers and Geotechnics ; 31 ; 171-183

Publication date:

2004-01-01

Size:

13 pages

ISSN:

DOI:

https://doi.org/10.1016/j.compgeo.2004.02.003

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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