CENTRIFUGE MODEL TEST AND NUMERICAL ANALYSIS ON FACE STABILITY OF SHALLOW TUNNELS: Fid-Bau Portal

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CENTRIFUGE MODEL TEST AND NUMERICAL ANALYSIS ON FACE STABILITY OF SHALLOW TUNNELS

Idinger, Gregor / Aklik, Pelin / Song, Xiaoyu / Wu, Wei

Summary In this article, we report on model tests of shallow tunnel in a geotechnical centrifuge. The influence of the overburden on the required face support pressure, ground deformation, failure mechanism and surface settlement is investigated. Owing to small shear strain in pre-failure regime, high spatial resolution is needed in the instrumentation. The experimental results are then compared with the closed form solutions and a finite element analysis.

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CENTRIFUGE MODEL TEST AND NUMERICAL ANALYSIS ON FACE STABILITY OF SHALLOW TUNNELS

Idinger, Gregor / Aklik, Pelin / Song, Xiaoyu / Wu, Wei

Summary In this article, we report on model tests of shallow tunnel in a geotechnical centrifuge. The influence of the overburden on the required face support pressure, ground deformation, failure mechanism and surface settlement is investigated. Owing to small shear strain in pre-failure regime, high spatial resolution is needed in the instrumentation. The experimental results are then compared with the closed form solutions and a finite element analysis.

CENTRIFUGE MODEL TEST AND NUMERICAL ANALYSIS ON FACE STABILITY OF SHALLOW TUNNELS

Idinger, Gregor / Aklik, Pelin / Song, Xiaoyu / Wu, Wei

Summary In this article, we report on model tests of shallow tunnel in a geotechnical centrifuge. The influence of the overburden on the required face support pressure, ground deformation, failure mechanism and surface settlement is investigated. Owing to small shear strain in pre-failure regime, high spatial resolution is needed in the instrumentation. The experimental results are then compared with the closed form solutions and a finite element analysis.

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Title:

CENTRIFUGE MODEL TEST AND NUMERICAL ANALYSIS ON FACE STABILITY OF SHALLOW TUNNELS

Contributors:

Idinger, Gregor (author) / Aklik, Pelin (author) / Song, Xiaoyu (author) / Wu, Wei (author)

Published in:

Multiscale and Multiphysics Processes in Geomechanics ; 181-184

Springer Series in Geomechanics and Geoengineering

Publication date:

2011-01-01

Size:

4 pages

ISBN:

978-3-642-19629-4 , 978-3-642-19630-0

ISSN:

1866-8755 , 1866-8763

DOI:

https://doi.org/10.1007/978-3-642-19630-0_46

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

centrifuge test , face stability , PIV , shallow tunnel Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences , Geophysics and Environmental Physics

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