The article describes the application of the artificial ground freezing method for sinking the shafts of the now-defunct Bach lignite mine in Cybinka (Lubusz Province). It was probably the only instance of such a procedure in lignite mining in Poland. The text presents the origins of this method, patented in 1863 by F.H. Poetsch, and the examples of mines where this technique was implemented, with particular emphasis on the Polish lands. The course of freezing the Bach V and Bach VI shafts and the problems that occurred at the very beginning of their exploitation are described in detail. As a result of errors made during the drilling of freezing holes, both shafts were completely flooded with groundwater. The paper also aims to analyse the causes of this mining disaster.
The article describes the application of the artificial ground freezing method for sinking the shafts of the now-defunct Bach lignite mine in Cybinka (Lubusz Province). It was probably the only instance of such a procedure in lignite mining in Poland. The text presents the origins of this method, patented in 1863 by F.H. Poetsch, and the examples of mines where this technique was implemented, with particular emphasis on the Polish lands. The course of freezing the Bach V and Bach VI shafts and the problems that occurred at the very beginning of their exploitation are described in detail. As a result of errors made during the drilling of freezing holes, both shafts were completely flooded with groundwater. The paper also aims to analyse the causes of this mining disaster.
Zawodnione warstwy górotworu często uniemożliwiały drążenie wyrobisk podziemnych, szybów, sztolni i tuneli. Problem z którym górnictwo i budownictwo podziemne nie mogło sobie skutecznie poradzić został rozwiązany dopiero dzięki nowatorskiej metodzie opracowanej przez niemieckiego inżyniera górnika F.H. Poetsch’a. Dzięki zamrożeniu zawodnionych warstw można było bezpiecznie i efektywnie drążyć wyrobiska. W artykule przedstawiono sylwetkę twórcy metody zamrażania skał zawodnionych, jego dorobek naukowy i podstawowe patenty dzięki którym na trwałe zapisał się w historii górnictwa i budownictwa podziemnego.
EN
Submerged layers of rock mass often made it impossible to drill underground excavations, shafts, adits and tunnels. This problem which mining and underground construction could not deal with effectively, was successfully solved only thanks to an innovative method developed by the German miner and engineer, F. H. Poetsch. Thanks to the freezing of the submerged layers it was possible to safely and effectively drill the excavations. The article presents the creator of the rock mass freezing method, his scientific achievements and basic patents thanks to which he entered the history of mining and underground construction for good.
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