Research Article

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

Figure 5

Relationship between the mean value of and the reliability probability. (a) Failure modes of intrusion type and the combined type of mining failure and intrusion and (b) mode diagram of mining failure, 585 shear and tensile failure in key strata, and system failure.
(a)
(b)