Study on the Migration Law of Overlying Strata of Gob-Side Entry Retaining Formed by Roof Cutting and Pressure Releasing in the Shallow Seam

<div>Vertical displacement diagram of different roof cutting angle. (a) 10°. (b) 20°. (c) 25°.</div>

Shock and Vibration

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Figure 12

Figure 12: Study on the Migration Law of Overlying Strata of Gob-Side Entry Retaining Formed by Roof Cutting and Pressure Releasing in the Shallow Seam 

Figure 12 | Study on the Migration Law of Overlying Strata of Gob-Side Entry Retaining Formed by Roof Cutting and Pressure Releasing in the Shallow Seam 