DEVICE FOR MEASURING THE STRAIN ON THE WALLS OF MINING DEVELOPMENT BY PARTIAL RELIEF BASED ON THE BIG

摘要

the device u0434u043bu00a0 u0438u0437u043cu0435u0440u0435u043du0438u00a0 deformations in the walls of a method of partial discharge in large database, including u043cu0430u043au0448u0435u0439u0434u0435u0440u043du0443u044e roulette with a u043du043eu043du0438u0443 mdf, block u043du0430u0442u00a0u0436u0435u043du0438u00a0 roulette, removable reference frame with u043au0440u044eu0447u044cu00a0u043cu0438 u0434u043bu00a0 u0437u0430u0446u0435u043fu043bu0435u043du0438u00a0 roulette, u043eu0442u043bu0438u0447u0430u044eu0449u0435u0435u0441u00a0 because the baby is in the form of two detachable metal u043au043bu0438u043du044cu0435u0432, etc. and that on the outer side of the first wedge installed u043au043eu043du0443u0441u043du044bu0439 the plug.and in the other by the whole length of the hook is threaded u0434u043bu00a0 u0437u0430u0446u0435u043fu043bu0435u043du0438u00a0 roulette.