Roof Failure Mechanism and Control Technology of Large Section Open-Off Cut in Soft Rock Strata with Thin Thickness

<div>Borehole imaging instrument and detection results. (a) TYGD10 rock drilling detector. (b) Borehole image screenshot at point 1. (c) Borehole image screenshot at point 2.</div>

Shock and Vibration

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Figure 7

Figure 7: Roof Failure Mechanism and Control Technology of Large Section Open-Off Cut in Soft Rock Strata with Thin Thickness 