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DOI: 10.15862/03SATS325 (https://doi.org/10.15862/03SATS325)

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Ivanov A.A., Valiev Sh.N. The use of ultra-high-performance fiber-reinforced concrete in bridge structure designs for construction in confined urban conditions. Russian Journal of Transport Engineering. 2025; 12(3). Available at: https://t-s.today/PDF/03SATS325.pdf (in Russian). DOI: 10.15862/03SATS325

The use of ultra-high-performance fiber-reinforced concrete in bridge structure designs for construction in confined urban conditions

¹Anatoliy A. Ivanov, ²Sherali N. Valiev

¹Industrial University of Tyumen, Tyumen, Russia
²Moscow Automobile and Road Construction State Technical University (MADI), Moscow, Russia

Corresponding author: Anatoliy A. Ivanov, e-mail: i4natoliy@yandex.ru

Abstract. The development of technology in bridge construction is associated not only with the improvement of methods for erecting bridge structures but also with the use of new materials. The introduction of innovations in this area of construction is also important for building bridges in confined urban conditions. Such an environment requires not only thorough organization of the work site but also consideration of all problematic issues related to the relocation of utilities, restrictions on the dimensions of machinery and the construction site. To address these issues, the author of this article considers the technology of ultra-high-performance fiber-reinforced concrete. It began to be introduced into the construction industry as early as the 1980s, but continuous research and the emergence of new components for the concrete mixture allow it to remain innovative to this day.

Ultra-high-performance fiber-reinforced concrete allows for a significant reduction in the weight of bridge structures while not only maintaining but also increasing their strength properties, which has a positive effect on the final dimensions of the transport structure. For elements of the superstructure, this solves the problem of the size of the hazardous zone of construction machinery and mechanisms when there are roads and civil structures near them, and when it becomes necessary to limit it. The redevelopment of utility networks in existing development is associated with the complexity of their placement after the bridge is erected; structures made of ultra-high-performance fiber-reinforced concrete, due to their high strength and deformation characteristics at small sizes, allow for the integration of necessary utility networks within them without utilizing space outside the structure and simplifying the solutions for their relocation.

Also, additional components in the mixture composition reduce the environmental impact on the atmosphere, which is important for the city, and the high characteristics allow for maintaining an aesthetic appearance for a long time.

Keywords: ultra-high-performance fiber-reinforced concrete; strength; confined conditions; utility relocation; ecology; dimensional restrictions; durability; construction time

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