| Issue |
MATEC Web Conf.
Volume 251, 2018
VI International Scientific Conference “Integration, Partnership and Innovation in Construction Science and Education” (IPICSE-2018)
|
|
|---|---|---|
| Article Number | 04051 | |
| Number of page(s) | 8 | |
| Section | Modelling and Mechanics of Building Structures | |
| DOI | https://doi.org/10.1051/matecconf/201825104051 | |
| Published online | 14 December 2018 | |
Extend Convergence-Confinement Method for deep tunnels in poroelastic anisotropic medium
1
Le-Quy-Don Technical University, 236 Hoang-Quoc-Viet, Hanoi, Vietnam
2
University of Orléans, 8 Rue Léonard de Vinci, 45072 Orléans, France
* Corresponding author: namhungcd@gmail.com
This paper is devoted to present a closed-form solution based on the approach of the conventional convergence-confinement method to study the effect of the movement of the tunnel face during the excavation on the stress-strain state of the surrounding medium and the interaction between the ground and the support for a deep tunnel in poroelastic anisotropic medium. In this study, a hydro-mechanical coupling behaviour of the ground at the steady-state of the groundwater flow will be taken into account. The obtained solution could be used as a quick tool to calibrate tunnels in elastic porous medium. Some numerical estimations indicate that, a hydro-mechanical model of the medium should be considered in tunnel design.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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