Convergence monitoring as a basis for numerical analysis of changes of rock-mass quality and Hoek-Brown failure criterion parameters due to longwall excavation - Małkowski, Piotr; Ostrowski, Łukasz (Archives of mining sciences = Archiwum górnictwa, 2019)
Keywords: Coal; Coal mines; Constants; Convergence; Criteria; Distance; Dredging; Empirical analysis; Excavation; Exploitation; Failure analysis; Heaving; Monitoring; Numerical analysis; Parameters; Rock mass rating; Rocks; Sandstone; Sedimentary rocks; Shale; Shales