Numerical Investigation of Gob-Side Entry Retaining through Precut Overhanging Hard Roof to Control Rockburst

<div>Distribution of stress around roadway. (a) Excavate upper working face. (b) Excavate second working face by conventional mining. (c) Excavate second working face by precut overhanging hard roof mining.</div>

Advances in Civil Engineering

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Figure 7

Figure 7: Numerical Investigation of Gob-Side Entry Retaining through Precut Overhanging Hard Roof to Control Rockburst 