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RISInvestigation of Sloped Surface Subsidence during Inclined Seam Extraction in a Jointed Rock Mass Using Discontinuous Deformation Analysis
Publisher: American Society of Civil Engineers
Abstract: In this study, the sloped ground subsidence of a jointed rock mass during tilted seam extraction was investigated using a trap-door model and discontinuous deformation analysis (DDA). In the trap-door model, the jointed ...
New Geometric Restriction for the Displacement–Constraint Points in Discontinuous Deformation Analysis
Publisher: American Society of Civil Engineers
Abstract: A displacement-based seismic discontinuous deformation analysis (DDA) considers the influence of an earthquake by applying a time-dependent displacement constraint to simulate time-dependent ground movement of the base ...