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First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address.Valiullin D.A. – student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Nadrshina A.R. – student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Maystrenko I.Y. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Zinnurov T.A. – candidate of technical sciences, senior professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Maystrenko T.I. – student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1
Title of the articleEvaluation of remaining life of steel structure operated in a corrosion environment
Abstract.General algorithm of steel construction unit operated in a corrosive environment life prediction is developed and tested. Regression analysis software utilities are used for modelling of corrosive wear. Presented in the article the algorithm allows to determine dates of further safety operation and to plan capital repair of buildings and constructions structures. With a view to solve multiparameter question of life prediction the successive formation of initial parameter by the most significant characteristic, which is described by the six general steps, used. In this case, correcting of design parameter number depending on the calculation task, engineering system criticality and required level of evaluation reliability seems possible. Performed procedures demonstrativeness achieved by using PC classical design products that are at the command of engineer, for example, by using MathCAD multifunctional system. In addition, the article shows, that the presented algorithm allows choosing most convenient regression model. This fact is so much important, especially when accounting task of actual degradation of each element of rated section is stated, that by the best way provides an approximation of structural model according to the real work of technical system. Presented in the article life prediction procedures describes at the example of real technical system, monitoring of the state of that was organized by the specialized organization, that shows practical significance of stated recommendations.
Keywords.remaining life, steel construction, regression analysis, corrosive power, interval estimate.
For citations:Valiullin D.A., Nadrshina A.R., Maystrenko I.Y., Zinnurov T.A., Maystrenko T.I. Evaluation of remaining life of steel structure operated in a corrosion environment // Izvestiya KGASU. 2016. №4(38) P.208-216.


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