A Mechanical Model of the Overlying Rock Masses in Undersea Coal Mining and a Stress-Seepage Coupling Numerical Simulation

<div>Numerical simulation curve of stress field. (a) Peak change curve of the lead abutment pressure of the working face. (b) Height of overlying strata fractured zone in goaf.</div>

Advances in Civil Engineering

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Figure 6

Figure 6: A Mechanical Model of the Overlying Rock Masses in Undersea Coal Mining and a Stress-Seepage Coupling Numerical Simulation 