Russian Journal of Transport Engineering
Russian journal of transport engineering
           

2019, Vol. 6, No. 4. - go to content...

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DOI: 10.15862/09SATS419 (https://doi.org/10.15862/09SATS419)

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Fedotov M.Yu., Koshman N.P., Gusev B.V., Speransky A.A., Loskutov M.L., Ovchinnikov I.G., Bokarev S.A., Shelemba I.S., Budadin O.N., Kozel’skaya S.O. Application experience of composite external reinforcement systems and optical monitoring of building structures. Russian Journal of Transport Engineering. 2019; 6(4). Available at: https://t-s.today/PDF/09SATS419.pdf (in Russian). DOI: 10.15862/09SATS419


Application experience of composite external reinforcement systems and optical monitoring of building structures

Fedotov Mikhail Yurievich
Russian builders association, Moscow, Russia
Russian engineering academy, Moscow, Russia
E-mail: fedotovmyu@gmail.com

Koshman Nikolay Pavlovich
Russian builders association, Moscow, Russia
Russian engineering academy, Moscow, Russia
E-mail: info@a-s-r.ru

Gusev Boris Vladimirovich
Russian engineering academy, Moscow, Russia
E-mail: info-rae@mail.ru

Speransky Anatoly Alexeevich
Russian engineering academy, Moscow, Russia
E-mail: vibro-vector@yandex.ru

Loskutov Maxim Leonidovich
Association of expert organizations in сonstruction, Moscow, Russia
Russian engineering academy, Moscow, Russia
E-mail: m.lloskutoff@gmail.com

Ovchinnikov Igor Georgievich
Industrial university of Tyumen, Tyumen, Russia
Perm national research polytechnic university, Perm, Russia
Yuri Gagarin state technical university of Saratov, Saratov, Russia
E-mail: bridgesar@mail.ru

Bokarev Sergey Aleksandrovich
Siberian transport university, Novosibirsk, Russia
E-mail: bokarevsa@211.ru

 

 

 

Shelemba Ivan Sergeevich
Inversiya-Sensor LLC, Perm, Russia
E-mail: shelemba@i-sensor.ru

Budadin Oleg Nikolaevich
Central research institute for special machinery JSC, Khotkovo, Russia
Russian engineering academy, Moscow, Russia
E-mail: Oleg.budadin@yandex.ru

Kozel’skaya Sofiya Olegovna
Central research institute for special machinery JSC, Khotkovo, Russia
E-mail: kozelskaya.sofik.1977@yandex.ru

Abstract. This article describes results of the widespread use of external reinforcement systems for reinforced concrete and metal man-made structures based on domestic and foreign polymer composite materials (PCM), as well as fiber-optic monitoring systems, including a network of fiber-optic sensors (FOS) and a hardware-software complex that track the actual state of the control object throughout the entire life cycle. It is shown that for reinforced concrete structures it is advisable to use composite systems of external reinforcement installed directly on the reinforcement object by contact molding using special cold curing binders. In relation to metal structures, this technology is unacceptable due to a significant difference in the coefficients of linear thermal expansion of the metal and the carbon composite. To solve this problem, reinforcement technology has been proposed, which consists in installing discrete mechanical fasteners of finished composite spigots (similar to metal ones) made by autoclave and autoclave-free molding methods. In the event that deviations from the normative indicators for this type of structures are detected, the necessary set of measures is taken to strengthen, after which the monitoring system carries out a similar control, the results of which characterize the quality of the work performed. Thus, the monitoring system can act both as an effective tool for structural control and carry out local time monitoring before or after the relevant works on strengthening and reconstruction, and in real time work throughout the entire period of operation.

Keywords: polymer composite material; composite external reinforcement system; strengthening; monitoring; fiber optic sensor; reinforced concrete structure; metal structure

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