| Issue |
E3S Web Conf.
Volume 198, 2020
2020 10th Chinese Geosynthetics Conference & International Symposium on Civil Engineering and Geosynthetics (ISCEG 2020)
|
|
|---|---|---|
| Article Number | 02009 | |
| Number of page(s) | 5 | |
| Section | Structural Engineering Monitoring, Control, Repair and Reinforcement | |
| DOI | https://doi.org/10.1051/e3sconf/202019802009 | |
| Published online | 26 October 2020 | |
Research on Influence of Road Tunnels with Different Lanes on Surrounding Rock Characteristic Curve
Jiangxi Transportation Research Institute, Nanchang 330200
* Corresponding author:2574544207@qq.com
Convergence confinement method is an important guidance method for tunnel construction and support design. Numerical simulation method was used to comparatively analyze the ground reaction curve and the plastic zone under different rock grade and roadway tunnel size. The results show that the change of tunnel size has different effects on the maximum deformation of the tunnel arch crown, the ground reaction curve and the plastic zone range. Finally, some suggestions were put forward for the construction and optimization of the large span arch tunnel support structure. The research results may provide some guidance for related engineering
© The Authors, published by EDP Sciences 2020
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