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Information × Registration Number 0214U002472, 0112U003557 , R & D reports Title Development alternative technologies for protection of an infrastructure elements against natural and anthropogenic impacts popup.stage_title Head Alexander Raspopov, Registration Date 30-01-2014 Organization DNIPROPETROVSK NATIONAL UNIVERSITY OF RAILWAY TRANSPORT NAMED AFTER ACADEMICIAN V. LAZARIAN popup.description2 As a result of research in work has been considered and resolved current problems of protection of building and structures on the railways. The results of examination, ordering and processing information about protection of man-made transport structures from the effects of emergencies natural and technogenic origin were presented in this research. Additionally, the authors performed the design of schematic for rapid elimination of consequences of accidents at man-made structures of railway constructions, prediction of temperature stresses and deformations in the beams of spans the railway and road bridges and the development of engineering methods to determine thermal stresses and strains. Based on the results of the study were developed sprinklers and chladones fire suppression systems for the bridge structures. The use of these systems on large and medium-sized bridges will significantly reduce potential losses of Ukrzaliznytsia relating with the explosion and ignition of hazardous chemical substances. Studies have established that in case of emergency situations emission of ammonia or its derivatives to the environment disturbs the equilibrium of microorganisms, stimulates accumulation of nitrite and nitrate with their inclusion in to the food chain of animals and humans. Studies have found that evaporation rate of ammonia and its derivatives depends on several factors, including the surface of the spill, the temperature, the surface area of the spill and the wind speed. The paper presents the basic technological scheme for elimination of accident consequences with ammonia spill or its aqueous solution. Product Description popup.authors Є. Мальцева Є. Романенко А. Бойченко А. Ганчева В. Артьомов В. Ковальчук Л. Яришкіна М. Заіка М. Сорока popup.nrat_date 2020-04-02 Close