Study on Stability Control of Retained Gob-Side Entry by Blasting Fracturing Roof Technology in Thick Immediate Roof

<div>Vertical stress distribution in the coal ribs of retained gob-side entry. (a) Vertical stress in coal ribs under different fracturing heights and angles. (b) The peak values and locations of the vertical stress in coal rib.</div>

Shock and Vibration

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Figure 13

Figure 13: Study on Stability Control of Retained Gob-Side Entry by Blasting Fracturing Roof Technology in Thick Immediate Roof 