Innovative Control Technique for the Floor Heave in Goaf-Side Entry Retaining Based on Pressure Relief by Roof Cutting

<div>Comparison of the floor deformation before and after the controlling floor heave. (a) Comparison of the amount of deformation. (b) Comparison of the rate of deformation.</div>

Mathematical Problems in Engineering

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Figure 19

Figure 19: Innovative Control Technique for the Floor Heave in Goaf-Side Entry Retaining Based on Pressure Relief by Roof Cutting 