Model test study on the mechanical response of the deep buried tunnel lining [PDF]
Scientific ReportsDeep-buried tunnels with weak surrounding rock are frequently encountered issues in traffic engineering. It plays an important role in the excavation process and the project operation.
Longyan Duan +3 more
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Mechanical mechanism analysis of rockburst in deep-buried tunnel with high in-situ stress [PDF]
Scientific ReportsThe Qinling water conveyance tunnel has a large buried depth and high in-situ stress level, and rockburst disasters frequently occurred during excavation.
Chao Zhou +4 more
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Research on Prediction of TBM Performance of Deep-Buried Tunnel Based on Machine Learning
Applied Sciences, 2022 Based on the relevant data in the construction process of the south of the Qinling tunnel of the Hanjiang-to-Weihe River Diversion Project, this article obtains the main influencing factors of the tunnel boring machine (TBM) performance of the deep ...
Tianhui Ma +3 more
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Research on Stress Characteristics of Rockburst in Over-Length Deep-Buried Tunnel
BuildingsAs a unique geological hazard in a high-geo-stress environment, rockburst happens with strong suddenness, randomness, and destructiveness, but the mechanism of its occurrence in a deep-buried tunnel in a high-geo-stress environment needs further study ...
Chun Luo +5 more
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Journal of Marine Science and Engineering, 2022 Difficulties related to seepage are frequently encountered in tunnel design and construction, especially in deep-buried tunnels. Nowadays, analytical solutions of steady seepage fields for deep-buried tunnel usually assume that the surrounding rock mass ...
Qizhi Chen +5 more
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Optimization of the single-side drift method for shallow-buried tunnels under large eccentric pressure based on the BiDoseResp settlement model [PDF]
Scientific ReportsTaking a twin-tunnel project in Qinghai Province as a case study, this research investigates the excessive vault settlement of 14.8 cm observed at the right portal section. A three-dimensional finite element model was established to simulate the complete
Ruijie Sun +5 more
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Unloading damage evolution and rockburst risk assessment of Xuefengshan No.1 tunnel by combining multiple approaches [PDF]
Scientific ReportsLarge-scale rock burst disasters often occur in high-stress and deep-buried tunnels, due to challenges in accurate forecasting and the lack of clarity regarding the underlying mechanisms largely. This study combined on-site stress drilling tests, coupled
Guo Xiang +5 more
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Inversion and Analysis of the Initial Ground Stress Field of the Deep-Buried Tunnel Area
Applied Sciences, 2022 The detailed analysis of the initial ground stress distribution law is an important work for the safety of tunnel construction and operation. Especially, the high ground stress phenomenon in the deep-buried tunnel area is common, which has a great impact
Rongsen Yu +4 more
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Risk assessment of mountain tunnel collapse under complex geological conditions [PDF]
Scientific ReportsMountain tunnels have the characteristics of long construction period, multiple uncontrollable factors, and high construction difficulty. To investigate collapse risks associated with complex geological conditions, a deep-buried mountain tunnel in Baise,
Shantong Lu +3 more
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Study on construction mechanic characteristics and construction optimization of super-large cross-section tunnel portal under shallow buried depth and asymmetrical loading: A case study in Southwest China. [PDF]
PLoS ONEThe excavation of the super-large cross-section tunnel portal section is prone to causing serious engineering distresses. The key factors to ensure the safe construction of portal section are to clarify the construction mechanic characteristics and ...
Hao Chen +4 more
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