Blasting technology to protect hydro during the ice drift

The article discusses the protection of hydraulic structures, including bridges, static and hydrodynamic effects of ice during the ice drift. The general approaches for organizing and conducting blasting operations for the protection of existing and construction of hydraulic structures from damage that may occur before and during the ice drift. Technology outlined preventive blasting ice lanes before the formation of hydraulic structures and splitting of individual floes at bridge piers. Estimated effect on the fish fauna of an underwater explosion. The technology for the elimination of ice jams by conducting blasting operations using helicopters Mi-8. Questions of safety blasting, crushing ice, in accordance with current regulatory and technical documentation.