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Shallow NATM Tunnel with Advancing Face Support: Numerical Analysis with Hypoplastic Model

Wang, X. T. / Brueckl, J. / Wu, W.

This paper presents 3D numerical analysis of a shallow tunnel with advancing face supported by horizontal glass fiber anchors. A hypoplastic constitutive model is used. The model is based on nonlinear tensorial functions and is developed without recourse to the concepts of elasto-plasticity theory. The influence of installation of anchors on surface settlement is studied for the Lainzer Tunnel in Vienna, which is currently being constructed according to the principles of New Austrian Tunneling Method (NATM). The numerical results are compared with the instrumentation data.

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Shallow NATM Tunnel with Advancing Face Support: Numerical Analysis with Hypoplastic Model

Wang, X. T. / Brueckl, J. / Wu, W.

This paper presents 3D numerical analysis of a shallow tunnel with advancing face supported by horizontal glass fiber anchors. A hypoplastic constitutive model is used. The model is based on nonlinear tensorial functions and is developed without recourse to the concepts of elasto-plasticity theory. The influence of installation of anchors on surface settlement is studied for the Lainzer Tunnel in Vienna, which is currently being constructed according to the principles of New Austrian Tunneling Method (NATM). The numerical results are compared with the instrumentation data.

Shallow NATM Tunnel with Advancing Face Support: Numerical Analysis with Hypoplastic Model

Wang, X. T. / Brueckl, J. / Wu, W.

This paper presents 3D numerical analysis of a shallow tunnel with advancing face supported by horizontal glass fiber anchors. A hypoplastic constitutive model is used. The model is based on nonlinear tensorial functions and is developed without recourse to the concepts of elasto-plasticity theory. The influence of installation of anchors on surface settlement is studied for the Lainzer Tunnel in Vienna, which is currently being constructed according to the principles of New Austrian Tunneling Method (NATM). The numerical results are compared with the instrumentation data.

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Title:

Shallow NATM Tunnel with Advancing Face Support: Numerical Analysis with Hypoplastic Model

Contributors:

Wang, X. T. (author) / Brueckl, J. (author) / Wu, W. (author)

Conference:

GeoFlorida 2010 ; 2010 ; Orlando, Florida, United States

Published in:

GeoFlorida 2010 ; 2359-2367

Publication date:

2010-02-15

ISBN:

DOI:

https://doi.org/10.1061/41095(365)239

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Support structures , Geotechnical engineering , Design , Numerical analysis , Foundations , Pavements , Tunnels

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