3D numerical analysis of tunnelling induced damage: The influence of the alignment of a masonry building with the tunnel axis

3D numerical analysis of tunnelling induced damage: The influence of the alignment of a masonry building with the tunnel axis

Kappen, J.M.J.
Giardina, G.
Hendriks, M.A.N.
Rots, J.G.

Civil Engineering and Geosciences

Structural Engineering

2013-04-17

The development of infrastructure in major cities often involves tunnelling, which can cause damage to existing structures. Therefore, these projects require a careful prediction of the risk of settlement induced damage. The simplified approach of current methods cannot account for three-dimensional structural aspects of buildings, which can result in an inaccurate evaluation of damage. This paper investigates the effect of the building alignment with the tunnel axis on structural damage. A three-dimensional, phased, fully coupled finite element model with non-linear material properties is used as a tool to perform a parametric study. The model includes the simulation of the tunnel construction process, with the tunnel located adjacent to a masonry building. Three different type of settlements are included (sagging, hogging and a combination of them), with seven different increasing angles of the building with respect to the tunnel axis. The alignment parameter is assessed, based on the maximum occurring crack width, measured in the building. Results show a significant dependency of the final damage on the building and tunnel alignment.

damage assessment
tunnelling
masonry
3D Finite Element Analysis
building-tunnel alignment

http://resolver.tudelft.nl/uuid:42f160a5-4326-4f6d-8168-97e3fe19beb7

EURO: TUN 2013: 3rd International Conference on Computational Methods in Tunneling and Subsurface Engineering, Bochum, Germany, 17-19 April 2013

Institutional Repository

conference paper

(c) 2013 The Author(s)