Analysis of Roof Deformation Mechanism and Control Measures with Roof Cutting and Pressure Releasing in Gob-Side Entry Retaining

<div>Vertical stress distribution under different roof cutting angles (MPa). (a) Roof cutting angle is 10°. (b) Roof cutting angle is 15°. (c) Roof cutting angle is 20°.</div>

Shock and Vibration

fig7

Figure 7

Figure 7: Analysis of Roof Deformation Mechanism and Control Measures with Roof Cutting and Pressure Releasing in Gob-Side Entry Retaining 