Getting coal using mechanized longwall on the principle of horizontal concentration in a single procedure, it can be successfully applied in mining coal seams very small thickness. For high calorific coal thickness of coal seam that can be successfully excavate this method is approximately 1.0m other coals to 5.0 m.Result of extensive laboratory re...

By Jovo Miljanović, Neđo Đurić, Lazar Stojanović, Slobodan Majstorović, Žarko Kovačević