Evolution Mechanism and Control of Floor Heave in the Deep Roadway with Retained Bottom Coal

<div>Deformation and bending moment of the floor rock under different thicknesses of the bottom coal. (a) Deformation of the floor rock. (b) Bending moment of the floor rock.</div>

Geofluids

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Figure 4

Figure 4: Evolution Mechanism and Control of Floor Heave in the Deep Roadway with Retained Bottom Coal 