Study on the Stability of the Coal Seam Floor above a Confined Aquifer Using the Structural System Reliability Method

<div>Schematic map of floor damage during first pressure in mining above the confined aquifer. (a) Original intrusion zone of confined water before mining. (b) Intrusion zone of confined water, failure zone of the floor, and key strata.</div>

Geofluids

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Figure 1

Figure 1: Study on the Stability of the Coal Seam Floor above a Confined Aquifer Using the Structural System Reliability Method 