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Stress measurements at load-bearing components of the shaft steelwork and the mine hoist frame in the Regis Shaft of the Wieliczka Salt Mine

Konewecki Artur, Rozwadowski Krzysztof, Pasek Rafał, Molski Szymon

Mining Machines

2022

vol. 40, iss. 4

216--228

The study summarises the selection of dedicated techniques and procedures for measuring real stresses arising in shaft steelwork components due to car-shaft steelwork interactions as well as stresses at critical points of the car frame in the elevator installation in the Regis Shaft of the Wieliczka Salt Mine. The implemented solution and operational parameters of the hoisting installation in the Regis Shaft of the Wieliczka Salt Mine are summarised, the adopted measurement method and dedicated equipment are presented, focusing on the procedure for locating the critical points on the car frame and shaft steelwork. The purpose-built measurement set-up as well as the adopted stress measurement procedure and results are explained in detail.