Problems of service and repair of bridge constructions of a network of the irrigation canals which are on balance of managements of melioration are considered. The description and functionality of the automated imnformatsionny system developed by authors, allowing to carry out the account and monitoring of technical condition of bridge constructions in the territory of the Rostov region is provided.
Keywords: The meliorative channel, bridge construction, durability and operational reliability of bridge moving via water carrying out channels, monitoring of a condition of the bridge moving, the automated information system
Found that the main sources of noise in the manufacture of concrete products are various types of vibration exciters, but the sound energy is emitted mainly metal surfaces that transmit vibrations concrete. A study of the formation and noise emission.
Keywords: sound pressure, the concrete mix, work area, molding plant concrete products plants
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