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8 April 2024 Simulation and analysis of surrounding rock deformation during construction of water-rich soft rock tunnels
Yincai Cai, Peng Wu, Xiang Dong, Jun Li, Yuan Li, Ting Peng
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Proceedings Volume 13090, International Conference on Computer Application and Information Security (ICCAIS 2023); 130901U (2024) https://doi.org/10.1117/12.3025616
Event: International Conference on Computer Application and Information Security (ICCAIS 2023), 2023, Wuhan, China
Abstract
Due to its complex geological conditions, the water-rich soft rock tunnel will encounter many troubles in the construction process, among which the deformation of surrounding rock has a great impact on the project, and if it is not properly handled, it is likely to lead to serious construction accidents such as tunnel collapse, so it is necessary to analyze the deformation of the rich water rock tunnel. This paper adopts the finite element simulation method and establishes a planar model to simulate the tunnel construction and the deformation process of surrounding rock. The orthogonal experimental design with three factors and three levels is used to simulate nine different working conditions, and the deformation values of vault settlement and arch waist convergence were selected as the observation indexes of the experimental results. The results of the study show that the lower the shear strength of the surrounding rock, the higher the permeability coefficient and the higher its deformation after the excavation method is determined.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Yincai Cai, Peng Wu, Xiang Dong, Jun Li, Yuan Li, and Ting Peng "Simulation and analysis of surrounding rock deformation during construction of water-rich soft rock tunnels", Proc. SPIE 13090, International Conference on Computer Application and Information Security (ICCAIS 2023), 130901U (8 April 2024); https://doi.org/10.1117/12.3025616
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KEYWORDS
Deformation
Permeability
Design
Finite element methods
Mechanics
Modeling
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