2020, Vol. 7, No. 2. - go to content...

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DOI: 10.15862/05SATS220 (https://doi.org/10.15862/05SATS220)

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Baldin D.Yu., Kraev A.N., Zhaisambaev E.A. Comparative analysis of reinforced concrete tee beams reinforcement methods. Russian Journal of Transport Engineering. 2020; 7(2). Available at: https://t-s.today/PDF/05SATS220.pdf (in Russian). DOI: 10.15862/05SATS220

Comparative analysis of reinforced concrete tee beams reinforcement methods

Baldin Danil Yusupovich
Industrial university of Tyumen, Tyumen, Russia
E-mail: danil.baldin@mail.ru

Kraev Andrey Nikolaevich
Industrial university of Tyumen, Tyumen, Russia
E-mail: kraev-an@mail.ru

Zhaisambaev Erkn Askerovich
Industrial university of Tyumen, Tyumen, Russia
E-mail: zhaysambaeverkn@mail.ru

Abstract. Due to the increase in requirements for transport facilities, there is a need to strengthen them. The article is devoted to the analysis of reinforcement methods for load-bearing reinforced concrete structures of transport structures. The author notes in what period of the bridge’s life, it needs reinforcement, what difficulties are associated with reinforcing structures, and what are the main amplification methods that exist today. In order to select the optimal amplification method, it is necessary to carry out verification calculations, study the zone requiring amplification, take into account how many times the load-bearing capacity will increase and whether additional force effects will occur. This article describes the advantages and disadvantages of reinforcing by welding additional reinforcement and bonding composite material. The author calculated the amplification of the extended zone of the T-section reinforced concrete beam of the superstructure with additional reinforcement and composite materials. Based on the calculations made, recommendations have been put forward on the relevance of using one or another method of reinforcing the structure.

Keywords: transport facility; reinforced concrete beam of superstructure; gain calculation; load bearing capacity; limit state method; welding of additional fittings; composite materials; laminates; canvases; bending moment

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