Najgłębszy szyb w Europie

W artykule omówiono głębienie najgłębszego czynnego szybu w Europie, tj. GG-1, wybudowanego w ZG „Rudna" KGHM Polska Miedź S.A. W artykule uzasadniono konieczność budowy szybu oraz opisano jego obudowę i trudności, jakie przezwyciężono, aby budowę szybu ukończyć do planowanej głębokości 1348 m.

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The article discusses innovative solutions and ways to overcome the difficulties encountered in excavating the deepest shaft in Europe (1348.0 m), namely: the use of low-viscosity acrylic sealing resins to stop the rapid outflow of water at 7.5 MPa and the outflow of pressurized water amounting to hydrogen sulfide, in addition to the use of a prone foam to take the initial load of the casing so that salt creep would not damage the concrete tee behind the tubing during the initial setting phase. The excavation of the shaft uses the largest shaft tower ever constructed for shaft excavation, with a weight of 1100 Mg and a height of 45.5 m. Another innovative thing is the "plug" made at the bottom of the shaft with a sump that allows dewatering of the rock mass with drainage of water to the drainage system of the entire mine.