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

<div>Nephograms of the vertical stress distribution on the floor. (a) Before pressure relief by roof cutting. (b) After pressure relief by roof cutting.</div>

Mathematical Problems in Engineering

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Figure 8

Figure 8: Innovative Control Technique for the Floor Heave in Goaf-Side Entry Retaining Based on Pressure Relief by Roof Cutting 