A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Interaction between an underground parking and twin tunnels – Case of the Shiraz subway line
Highlights Underground parking-soil-twin tunnels interaction. A parking increases the inward soil movement near the parking walls. It causes a relative structural forces reduction. The parking construction does not have a significant effect on the tunnel lining.
Abstract Three-dimensional numerical analyses were developed to study the interaction between twin tunnels and underground parking in an urban area. The mechanized tunneling procedure and segmental lining were accurately simulated using a finite difference code and a nonlinear perfectly plastic constitutive model (CYsoil). In this paper, the interaction between tunneling in clay and an underground parking was performed using two scenarios: construction of the underground parking above the existing tunnels and excavating the twin tunnels under the existing parking. The soil/structure interaction is investigated in terms of soil movements, structural forces induced in the tunnel lining and displacements of the parking structure. On the base of the numerical results, the construction sequence of underground structures, which are located nearby to each other, have a considerable effect on the soil and structures behavior.
Interaction between an underground parking and twin tunnels – Case of the Shiraz subway line
Highlights Underground parking-soil-twin tunnels interaction. A parking increases the inward soil movement near the parking walls. It causes a relative structural forces reduction. The parking construction does not have a significant effect on the tunnel lining.
Abstract Three-dimensional numerical analyses were developed to study the interaction between twin tunnels and underground parking in an urban area. The mechanized tunneling procedure and segmental lining were accurately simulated using a finite difference code and a nonlinear perfectly plastic constitutive model (CYsoil). In this paper, the interaction between tunneling in clay and an underground parking was performed using two scenarios: construction of the underground parking above the existing tunnels and excavating the twin tunnels under the existing parking. The soil/structure interaction is investigated in terms of soil movements, structural forces induced in the tunnel lining and displacements of the parking structure. On the base of the numerical results, the construction sequence of underground structures, which are located nearby to each other, have a considerable effect on the soil and structures behavior.
Interaction between an underground parking and twin tunnels – Case of the Shiraz subway line
Nematollahi, Mojtaba (author) / Dias, Daniel (author)
2019-10-14
Article (Journal)
Electronic Resource
English
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