MATEC Web Conf.
Volume 295, 2019Smart Underground Space and Infrastructures – Lille 2019
|Number of page(s)||7|
|Section||Smart Geo-Environment Geotechnics|
|Published online||18 October 2019|
Synthesis of numerical methods for the design of segmental tunnel lining
1 Laboratoire de Génie Civil et géo-Environnement, Université de Lille, 59655 Villeneuve d’Ascq, France
2 LAMCUBE, Université de Lille, 59655 Villeneuve d’Ascq, France
* Corresponding author: firstname.lastname@example.org
This paper presents a numerical study that aims to compare the behavior of the segmental tunnel lining using the direct, indirect and experimental methods. This model is based on a practical case applied in university of Tongji: a project of water conveyance tunnel. A reduction in the bending moment and increasing of the displacement in the tunnel lining is showed in numerical results, when taking into account the effect of the joints. It has been shown that the number of joints in the tunnel-lining structure highly affects the results in terms internal forces and displacements. Furthermore, the internal forces obtained by the continuous method are high compared to the other methods when the effects on segmental joints on tunnel lining behaviour are usually considered. Additionally, the bending moment of the direct method with behaviour of rotation spring linear and experimental method is comparable.
© The Authors, published by EDP Sciences, 2019
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