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| Author(s): | Allahverdi, Navid; Bakhshi, Mehdi; Partovi, Maziar; Nasri, Verya |
| Title: | 3D-nonlinear finite element analysis of staged shield-driven tunnel excavation with a focus on response of segmental tunnel lining |
| Abstract: | The complex and dynamic nature of shield-driven tunnel excavation, staged construction, segmental lining installation process, and tail-void grouting necessitate using detailed numerical modeling for predicting ground behavior and response of segmental lining. In this article, results of three-dimensional advanced finite element modeling are presented for one of the major ongoing construction projects in the North America. Different segment joint models, i.e., rigid joints, perfect hinge joints, Janssen joints, and rigid joints with reduced lining thickness, are used in the analysis. Critical responses such as ground deformation, settlement trough, crown deformation, and the internal forces in the linings considering different segment joint modeling are discussed. |
| Source: | Geomechanics and Tunnelling 16 (2023), No. 1 |
| Page/s: | 60-67 |
| Language of Publication: | English/German |
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