Деформационный критерий разрушения образцов соляных пород // : Физико-технические проблемы разработки полезных ископаемых. <...> Некоторые задачи механики деформирования и разрушения соляных пород. <...> Рекомендации по расчету устойчивых пролетов очистных выработок на калийных месторождениях / ВНИИГ. <...> To the issue of stopes mutual disposition within contiguous sylvinite beds development at the Verkhnekamskoye potassium and magnesium salts deposit (based on the example of Usolskiy potash complex “EuroChem” LLC) Solovyev V. <...> B., Chief Miner, LLC “EuroChem – Usolskiy potash complex”3 1 Perm National Research Polytechnic University, 29 Komsomol’skii prospect, Perm, Permsky Kruy, 614990, Russia 2 JSC “Ural Research and Development Institute of Halurgy”, 94 Sibirskaya str., Perm, 614000, Russia 3 The subsidiary of Mineral and Chemical Company “EuroChem” JSC, 80 Prospect Lenina, Berezniki, Permsky Kruy, 618460, Russia Abstract: Verkhnekamskoye potassium-magnesium salts deposit is being developed by five running mines, three new mining ventures building and construction works are in process. <...> New ventures are situated in the south part of regional Deposit. <...> They are defined by pay beds and interbed enclosing rocks reduced capacity that makes stoping works complicate. <...> The “AБ” bed commercial reserves are not available at Usolye minefield, but there are significant reserves of the “Red IIIa-b” sylvinite bed. <...> Such a change in the conditions of the development of the minefields defines the need for a detailed assessment of stoping mutual disposition and parameters of mining method. <...> 27 variable sectioned and mutual disposed workings options is the subject to geomechanical researches with the aid of ANSYS software system. <...> The studies established a principal possibility of using options to out-of-line stopes <...>