Mathematical modelling of stress-strain state of steel-concrete beams with combined reinforcemenent

• Autorzy: Selejdak Jacek , Bobalo Taras , Blikharskyy Yaroslav , Dankevych Iryna

Identyfikatory

DOI

10.30657/pea.2023.29.13

• Języki publikacji: EN

Abstrakty

EN

Most of the modern computer software for the building structures` calculation is based on mathematical dependencies which make it possible to analyse rather complex stress-strain state of structures subjected to loading. As a rule, the calculation is based on the finite element method and is reduced to the calculation of deformations arising in structures due to the action of external forces with the use of real strain diagrams of materials, σ-ε diagrams for concrete and reinforcement. Modern normative regulations for reinforced concrete structures` calculation are also based on the deformation model using material deformation diagrams, which are as close to the real ones, as possible. Therefore, this study was aimed to investigate in more detail the stress-strain state and the physical essence of the processes occurring in reinforced concrete structures with combined reinforcement according to mathematical approaches and regulations of DBN B.2.6-98:2009 and DSTU B. In 2.6-156:2010. Namely, in the research is analysed the combined reinforcement of S245 steel tapes and A1000 rebar, which is used in the production of reinforced concrete elements. The results of mathematical modelling were compared with the calculation results, according to DBN B.2.6-98: 2009 and DSTU B. B 2.6-156:2010, as well as with field experimental data. Therefore, the conclusion could be made, whether it is possible to use this technique with sufficient accuracy to calculate reinforced concrete structures with combined reinforcement.

Słowa kluczowe

EN

combined reinforcement; high-strength rebar; steel-concrete structures; design of RC structures; external reinforcement

PL

wzmocnienie łączone; pręty zbrojeniowe o wysokiej wytrzymałości; konstrukcje stalowo-betonowe; projektowanie konstrukcji żelbetowych; wzmocnienie zewnętrzne

• Wydawca: Oficyna Wydawnicza Stowarzyszenia Menedżerów Jakości i Produkcji
• Czasopismo: Production Engineering Archives
• Rocznik: 2023
• Tom: Vol. 29, Iss. 1
• Strony: 108--115
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Selejdak Jacek

• Czestochowa University of Technology, Faculty of Civil Engineering, 69 st. Dabrowskiego, 42-201 Czestochowa, Poland

autor

Bobalo Taras

• Lviv Polytechnic National University, Department of Building Constructions and Bridges, 12 st. S. Bandera, Lviv, 79013, Ukraine

autor

Blikharskyy Yaroslav

• Lviv Polytechnic National University, Department of Highways and Bridges, 12 st. S. Bandera, Lviv, 79013, Ukraine

autor

Dankevych Iryna

• Lviv Polytechnic National University, Department of Building Constructions and Bridges, 12 st. S. Bandera, Lviv, 79013, Ukraine

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).