Research Article

Evolution Mechanism of Water-Conducting Fissures in Overlying Rock Strata with Karst Caves under the Influence of Coal Mining

Table 2

Numerical simulation test scheme.

SchemeMining thickness (m)Cross-sectional shapeRound caves radius (m)Proportion of the limestone layer of Yulong Mountain

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23Rotundity50.88%
33Rotundity103.51%
43Rotundity157.91%