Academic Journal of Engineering and Technology Science, 2022, 5(8); doi: 10.25236/AJETS.2022.050802.
Zou Xin1, Lin Guoqiang1, Niu Qun2
1China Railway Liuyuan & Xi'an Survey, Design and Research Institute Co., Ltd, of CREC, Xi’an, Shaanxi Province, China
2Institute of Geotechnical Engineering, Xi’an University of Technology, Xi’an, Shaanxi Province, China
Objective: To explore the influence of different supporting structures on the long-term stability of tunnel surrounding rock. Methods: establish the mechanical model of tunnel surrounding rock, and explore its influence on the model shape by changing the support structure parameters. Results: different supporting structures will affect the shape of tunnel surrounding rock model, indicating that it has a certain impact on the long-term stability of tunnel surrounding rock. Conclusion: when carrying out tunnel surrounding rock support, four reasonable support parameter design schemes, such as 0.5m structural plane spacing and 75 ° ~90 ° inclination angle, can be selected to ensure the safety and stability of tunnel surrounding rock to the greatest extent.
Supporting structure; Impact model; Stability; long-term; Tests; Tunnel surrounding rock
Zou Xin, Lin Guoqiang, Niu Qun. Model Test Study on the Influence of Supporting Structure on the Long-Term Stability of Tunnel Surrounding Rock. Academic Journal of Engineering and Technology Science (2022) Vol. 5, Issue 8: 6-9. https://doi.org/10.25236/AJETS.2022.050802.
 Zhang Jianguo, Zhang Ying, Chen Yunbin et al. Stability Analysis of Tunnel Surrounding Rock under Different Cross-section Shapes based on FLAC 3D [J]. Building Technique Development, 2021, 48(06):136-138.
 Cheng Hao, Cao Zhensheng, Zhang Shaoqiang et al. Structural Characteristics of Talus-Like Rock Mass and Tunnel Stability Analysis: a Case Study of Tayi Tunnel of Jianshui-Yuanyang Highway[J]. Tunnel Construction, 2021,41(S2):274-283.