Abstract: In a groundwater outburst through a fault, the velocity is generally so high that the relationship between the velocity and the hydraulic gradient deviates from the linear Darcy regime. This study uses the Forchheimer ...

Abstract: A karst collapse column (KCC), a type of vertical structure that is common in the Carboniferous-Permian coal fields of North China, contains many graded broken rocks and often functions as a channel for groundwater inrush. ...

Abstract: Abstract Large-scale shear sliding in antidip soft–hard interlayered slopes is a critical issue in open-pit coal mines in China, contrasting with the predominant focus on toppling failure in existing slope stability research. ...