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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.Kayumov R.A. – doctor of physical and mathematical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Sharafutdinova А.А. – student E-mail.ru: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan State University of Аrchitecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1
Title of the articleAbout an estimation of operational durability of building designs from fiberglass
Abstract.Problem statement. The purpose of the study is to develop a methodology for estimating the service life of structural elements made of fiberglass. Results. A brief review of the work devoted to the study of various factors affecting the reduction in strength of structures made of fiberglass, such as temperature, humidity, UV-radiation, abrasive wear, is given. The results of the experiment on the long-term strength of cantilevered specimens reinforced across the beam axis are presented. Based on the experimental data, the constants of the fiberglass material are determined. The technique and an example of an estimation of service life of a fiberglass beam with a constant load, but variable temperature, as well as an example of calculating the service life taking into account the simultaneous action of a moist environment and a variable temperature is presented. Conclusions. A technique has been developed that allows to determine the service life of structures made of fiberglass based on experimental data. For this, a modified Zhurkov’s theory is used, taking into account that when the static limit of strength is reached, it is possible to obtain the instantaneous destruction condition. To account for the variable temperature, the law of linear summation of damage is used.
Keywords.durability, fiberglass, experiment, aging, temperature effect.
For citations:Kayumov R.A., Sharafutdinova А.А. About an estimation of operational durability of building designs from fiberglass // Izvestiya KGASU. 2017. №2(40) P.114-123.


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