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

<div>Vertical displacement distribution of different roof cutting heights (m). (a) Roof cutting angle is 10°. (b) Roof cutting angle is 15°. (c) Roof cutting angle is 20°.</div>

Shock and Vibration

fig8

Figure 8

Figure 8: Analysis of Roof Deformation Mechanism and Control Measures with Roof Cutting and Pressure Releasing in Gob-Side Entry Retaining 