Deformations of surface and rock mass in salt mines of Southern Poland
(1.StanisΙaw Staszic AGH-University of Science and Technology ,Cracow,Poland2.Institute of Rock Mass Mechanics ,PAN-Polish Academy of Science ,Cracow,Poland)
Abstract: The existing salt mines “Wieliczka”and“Bochnia”, where the exploitation of rock salt wasgoing on since 14th century ,have recently finishedtheir mining activities .Inthe rock mass ,however ,old workings remained.They are ofteninaccessibleand not inventoried properly . Clamping of suchworkings causes
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