Tunneling influence on pile-supported structures: a literature review
- Author Haitham J. M. ODEH
- DOI http://wwj
- Country : Hungary
- Subject : Structural and Geotechnical Engineering
Keywords : Pile-tunnel interaction, Pile responses, Single pile, Group of piles
Abstract
This paper reviews the influence of tunnel constructions on neighboring structures supported by pile foundations, using either single or group of piles. This paper focuses on addressing the used methods, namely numerical modeling, analytical methods, and empirical solutions to study tunnel-pile interaction. The limitation of each method is also presented along with a brief introduction about the soil models used in the analysis, followed by illustrating the main pile responses caused by tunneling. Comments are made particularly on the effect of changing the tunnel location relative to the piles, pointing out the critical location that causes the highest effect on piles, and the safest location that leads to the least influence in each method. Relevant case histories and field observations are cited, showing the induced pile settlement by tunneling, and the changes on pile internal forces. The tunnel excavation influence zone is also presented, which gives a better understanding of the interaction between tunnels constructed near the pile-supported structures.
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