method of waterproofing coal mine shaft

摘要

use: in the mining and construction of mines.method of waterproofing coal mine shaft in u043eu0431u0432u043eu0434u043du0435u043du043du044bu0445 unstable rocks around the concrete upon the barrel, characterized by the fact that u0433u0438u0434u0440u043eu0438u0437u043eu043bu044fu0446u0438u044e coal mine shaft carry out in the form of a monolithic membrane consisting of a monolithic structure upon the barrel, consisting of at least one layer of a monolithic concrete and / or u043bu0435u0437u043eu0431u0435u0442u043eu043du0430 and u0433u0438u0434u0440u043eu0438u0437u043eu043bu044fu0446u0438u043eu043du043du043eu0439 membranewhich form with the aid of u043eu043fu0430u043bu0443u0431u043au0438 by pouring a liquid polymer composition polyurethanes capable of adhesion to breed array or concrete conditions wet surfaces and / or negative temperatures, and with a brief period of polymerization, to form the membrane connecting with the time opera by the drive and the device upon the shaft.the concrete shell bearing supports is poured directly on the surface of the membrane through the device along the membrane of u043eu043fu0430u043bu0443u0431u043au0438 and / or permanent u043cu0435u0442u0430u043bu043bu0438u0447u0435u0441u043a oh shell in the form of a prefabricated u0442u044eu0431u0438u043du0433u043eu0432 or welded sheet metal.the dynamic elastic modulus of the membrane is about 2900 mpa, is able to provide tensile strength and resistance to compression u0433u0438u0434u0440u043eu0441u0442u0430u0442u0438u0447u0435u0441u043au043eu043cu0443 pressure force in the rocks. shear modulus of the membrane is about 1010 mpa and is able to perceive the local movement of rocks and the offset voltage in the u0434u0435u0444u043eu0440u043cu0430u0446u0438u043eu043du043du044bu0435 sh. the pi.the technical result is an increase in the reliability of the supports, reducing the probability of the occurrence of emergency situations associated with breakthrough straddling a groundwater from aquifers.