Geofluids / 2020 / Article / Fig 13

Research Article

Mechanical Analysis of Mining Stress Transfer on Isolated Island Face in Extra-Thick Fully Mechanized Top-Coal Caving Mining

Figure 13

Influence characteristics of various factors on mining stress of isolated island face.
(a) Different mining heights of coal seams ()
(b) Different isolated island widths ()
(c) Different goaf widths ( decreases)
(d) Different goaf widths ( increases)
(e) Different depths of coal seam ()
(f) Different cohesions of coal seam media ()
(g) Different internal friction angles of coal seam medium ()
(h) Different friction coefficients on coal-rock upper and lower boundary ()

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