Research on Physical Similarity Simulation of Mining Uphill and Downhill at the Large-Angle Working Face

<div>The changing curve of the abutment pressure in the roof as the advancement of working face at the floor strata 285 m away from the open cut (in the uphill mining section). (a) Roof (located at pressure cell 18). (b) Floor (located at pressure cell 8).</div>

Advances in Civil Engineering

fig16

Figure 16

Figure 16: Research on Physical Similarity Simulation of Mining Uphill and Downhill at the Large-Angle Working Face 