Assessment of reinforced concrete beams cracking depending on the concrete class

• Autorzy: Derlatka Anna , Jrethi Yassin Ali

Identyfikatory

DOI

10.17512/znb.2024.1.04

Warianty tytułu

PL

Ocena pękania belki żelbetowej w zależności od klasy betonu

• Języki publikacji: EN

Abstrakty

EN

Cracks in reinforced concrete are a common concern that can arise from various causes such as concrete shrinkage, temperature differences, and structural loads. The aim of the study was an analysis of cracks in concrete on which the reinforcement concrete beam was made. The beam was loaded with an evenly distributed load and subjected to bending. Depending on the concrete class (C20/25, C25/30 and C30/37), the cracks in the concrete, the deflection at a load of 5.35 kN/m2 and the beam’s load-bearing capacity, i.e. the value of the load that the beam can withstand without any cracks were assessed.

PL

Pęknięcia w żelbecie są powszechnym problemem, który może wynikać z różnych przyczyn, takich jak skurcz betonu, różnice temperatur i obciążenia konstrukcyjne. Celem pracy była analiza pęknięć w betonie, z którego wykonano belkę żelbetową. Belka została obciążona równomiernie rozłożonym obciążeniem i poddana zginaniu. Analizowano trzy klasy betonu C20/25, C25/30 i C30/37. W zależności od klasy betonu oceniano pęknięcia w betonie, ugięcie przy obciążeniu 5.35 kN/m2 i nośność belki, tj. wartość obciążenia, jakie belka może wytrzymać bez pęknięć.

Słowa kluczowe

EN

reinforcement concrete; beam; FEM; crack

PL

żelbet; belka; MES; pękanie

• Wydawca: Wydawnictwo Politechniki Częstochowskiej
• Czasopismo: Zeszyty Naukowe Politechniki Częstochowskiej. Budownictwo
• Rocznik: 2024
• Tom: Z. 30 (180)
• Strony: 29--34
• Opis fizyczny: Bibliogr. 15 poz., rys., tab.

Twórcy

autor

Derlatka Anna

• Czestochowa University of Technology, Faculty of Civil Engineering, ul. Akademicka 3, 42-201 Częstochowa, Poland

• https://orcid.org/0000-0002-6509-2706

autor

Jrethi Yassin Ali

• Independent researcher
• [e-mail]

• https://orcid.org/0009-0001-7000-9276

Bibliografia

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• [14] Akingbonmire S.L., Okonkwo C.O., Kayode P.O., Akinsanmi K., Eliminating cracks partially in structures by adopting bacteria based fiber and steel reinforced self-healing concrete, School of Engineering and Engineering Technology Annual Conference (SEET Conference) Advances in Science and Technology 2024, 73-84, DOI: 10.4028/p-kl4koo.
• [15] CEN European Committee For Standardization, 2008, Eurocode 2: Design of concrete structures – Part 1-1 : General rules and rules for buildings (EN 1992-1-1).

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).