Návrh otvírky, přípravy a dobývání porubů ve 40. sloji 5. kře Dolu Darkov

Abstract

This thesis focuses on the problems of opening, preparation and extraction of the seam number 40 and the block number 5. in the Mine Darkov. In the introduction I describe the geological situation of the specific area; the next stages describe the preparation and extraction of this area, including the technologies used in the preparation works and extraction process. In the following parts I deal with the ventilation and safety at work. The conclusion concentrates on the economical evaluation of the opening, preparation and extraction of this area.