Model Construction and Parameters Acquisition of the Predicted Surface Movement Deformation under Thick Loose Layer Mining Area

<div>Surface subsidence and horizontal movement during semi-infinite mining. (1-coal wall, 2-mining unit, 3-assumed the position of the top plate after subsidence, 4-the original position of the top plate before subsidence).</div>

Mathematical Problems in Engineering

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Figure 4

Figure 4: Model Construction and Parameters Acquisition of the Predicted Surface Movement Deformation under Thick Loose Layer Mining Area 