Noise reduction method of microseismic signal of water inrush in tunnel based on variational mode method

Article Engineering, Environmental

Identification of potential high-stress hazards in deep-buried hard rock tunnel based on microseismic information: a case study

Wen-jing Niu et al.

Summary: The study analyzed high-stress hazards in the excavation process of deep-buried hard rock tunnels, established an identification method, and applied it to a real case. The results showed the method is applicable and reliable in identifying potential high-stress hazards in tunnel excavation.

BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT (2021)

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Article Construction & Building Technology

Large-scale geo-mechanical model tests for stability assessment of super-large cross-section tunnel

Liping Li et al.

Summary: This study investigates the failure behavior of lining structures and stress variations of surrounding rock in a super-large cross-section tunnel through large-scale geo-mechanical model tests and numerical simulations. The findings suggest strengthening the lining near tunnel areas of concern and focusing on stress near specific rock walls for safety control and design references. Overloading safety factors were also determined through experiments.

TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY (2021)

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Article Construction & Building Technology

Study on an improved real-time monitoring and fusion prewarning method for water inrush in tunnels

Sheng Wang et al.

Summary: The study proposed a new real-time monitoring and fusion prewarning method for tunnel water inrush, which included sensitive information analysis, improved sensor measurement methods, and a new early warning method for multi-information fusion. This method was successfully applied to the Yuelongmen tunnel and proved to be effective and practical in preventing and controlling water inrush during tunnel construction.

TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY (2021)

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Article Engineering, Environmental