September 19, 2025

Study on Deformation and Failure Characteristics of Surrounding Rock and Supporting Countermeasures in Deep Mining Dynamic Pressure Roadways

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Field investigations identify dynamic pressure-induced failure in roadways, suggesting effective support measures.

Roadway deformation is influenced by mining activity, showing distinct failure zones that differ in characteristics.
Monitoring revealed a zonal failure pattern: high-pressure zones face plastic extrusion, while dynamic pressure causes sliding shear failures.
Support countermeasures involve applying a triple-anchor technology for sustained structural integrity in deformation zones.
Numerical simulations using FLAC3D corroborate field data, verifying the effectiveness of proposed support strategies.

Liang et al. (2025) studied this question.

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