MEASUREMENT OF IN-SITU STRESS FIELD IN POLISH COPPER MINES

World Mining Congress
The underground research presented in this paper was carried out in the two Polish copper mines: Rudna and Polkowice-Sieroszowice. The aim of the research was to determine stress field parameters. The measurement method and measuring positions are described as well as the measuring technique adapted to the geological and mining conditions of the Rudna mine and the Polkowice-Sieroszowice mine. The identified values and directions of principal stresses and horizontal stresses and their importance for optimization of mining operation and safety improvement are discussed.
Keywords: stress; Mine; Mines; Rocks; Rock; Value; Boreholes; test; Tests;
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