Research on large deformation mechanism of recovery roadway under mining stress conditions.

With the increase of the lateral pressure coefficient, the shear stress and bending moment of the combined cantilever beam show a decreasing trend from the fixed end and the point of concentrated force, leading to increased local concentrated stress in the section due to the increased bending deformation of the combined beam. 6 Mining field monitoring (1) Support Damage Characteristics To empirically demonstrate the large deformation and

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The analysis of the on-site monitoring data shows that as the 3116 panel advances to 30 m from the stop line, the advance support pressure gradually begins to affect the stability of the retraction tunnel, and the convergence of the shoulder arch and the roof is beginning to show a pronounced trend of rapid subsidence.

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