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Abstract

Due to the increase in traffic volume, load level, and service life of existing bridges, the bending bearing capacity of reinforced concrete beams (hereinafter referred to as RC beams) has decreased, leading to safety issues. In order to solve the problem of insufficient flexural bearing capacity of RC beams, this article adopts the method of ultra-high performance concrete (UHPC) flexural strengthening RC beams, establishes a finite element model of UHPC-RC reinforcement system, and conducts stress analysis with reinforcement thickness, reinforcement range, reinforcement form, and reinforcement height as parameters to determine the optimal scheme of the reinforcement system. Based on the calculation results, a theoretical formula for the maximum principal stress and maximum deflection of the reinforcement system is proposed. To verify the feasibility of the plan, a reinforcement design was carried out on an existing beam, and it was found that the bending bearing capacity of the RC beam increased by 21%; the high tensile strength of UHPC and the addition of steel fibers have a good limiting effect on cracks; The steel plate of the reinforcement system can be used as a template, reducing construction costs and having good economy.
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Authors and Affiliations

Jiawei Wang
1
ORCID: ORCID
Feifei Ying
1
ORCID: ORCID

  1. Anhui Polytechnic University, School of Architecture and Civil Engineering, Wuhu City, Beijing MiddleRoad, China
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Abstract

The article is devoted to travelogues written by Ivan Kovtun and Ivan Mikitenko, poorly researched authors of Ukrainian literature, representatives of the phenomenon of the Executed Renaissance. The article aims to identify the key features of the Ukrainian travelogue that were formed during 1924-1925 years within the joint Soviet literature process. The analyzed texts represent two main themes of travel literature of 1920s: the ‘own’ space of Soviet republics and ‘other’ space of foreign, bourgeois countries. Despite inheriting ideological rhetoric and the main tendencies of the Soviet travelogue, the position of an ‘author of proletarian literature’ doubles and deepens regarding the narrator’s hypostasis as a Ukrainian writer. Ukrainian discourse (Ukrainian land, language, culture, literature) is set on both – the personal and literary – levels, particularly it occurs in specific sensitivities about one’s ‘own’ and ‘other’ space.
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Authors and Affiliations

Olena S. Annenkova
1
ORCID: ORCID
Olena V. Yufereva
1
ORCID: ORCID

  1. National Pedagogical Dragomanov University

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