Mechanisms of Floor Heave in Roadways Adjacent to a Goaf Caused by the Fracturing of a Competent Roof and Controlling Technology

<div>Abutment load profiles with different distance to the panel 15201 longwall face (negative and positive numbers indicate the 15201 longwall face was inby and outby the site, respectively). (a) Stage A, −10 m. (b) Stage B, +80 m. (c) Stage C, +150 m.</div>

Shock and Vibration

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Figure 5

Figure 5: Mechanisms of Floor Heave in Roadways Adjacent to a Goaf Caused by the Fracturing of a Competent Roof and Controlling Technology 