Influence of Upper Seam Extraction on Abutment Pressure Distribution during Lower Seam Extraction in Deep Mining

<div>Installation of borehole stress meters. (a) Section location of stress monitoring stations. (b) Planar location of stress monitoring stations. (c) Layout of borehole stress meters; (d) borehole stress meters.</div>

Advances in Civil Engineering

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Figure 3

Figure 3: Influence of Upper Seam Extraction on Abutment Pressure Distribution during Lower Seam Extraction in Deep Mining 