Naslov: | Analysing flexural response in RC beams: a closed-form solution designer perspective from detailed to simplified modelling |
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Avtorji: | ID Imamović, Denis (Avtor) ID Skrinar, Matjaž (Avtor) |
Datoteke: | mathematics-12-03327.pdf (1,82 MB) MD5: 974356312969FF7D439E46908C5CC04F
https://www.mdpi.com/2227-7390/12/21/3327
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Jezik: | Angleški jezik |
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Vrsta gradiva: | Članek v reviji |
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Tipologija: | 1.01 - Izvirni znanstveni članek |
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Organizacija: | FGPA - Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo
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Opis: | This paper presents a detailed analytical approach for the bending analysis of reinforced concrete beams, integrating both structural mechanics principles and Eurocode 2 provisions. The general analytical expressions derived for the curvature were applied for the transverse displacement analysis of a simply supported reinforced concrete beam under four-point loading, focusing on key limit states: the initiation of cracking, the yielding of tensile reinforcement and the compressive failure of concrete. The displacement’s results were validated through experimental testing, showing a high degree of accuracy in the elastic and crack propagation phases. Deviations in the yielding phase were attributed to the conservative material assumptions within the Eurocode 2 framework, though the analytical model remained reliable overall. To streamline the computational process for more complex structures, a simplified model utilising a non-linear rotational spring was further developed. This model effectively captures the influence of cracking with significantly reduced computational effort, making it suitable for serviceability limit state analyses in complex loading scenarios, such as seismic impacts. The results demonstrate that combining detailed analytical methods with this simplified model provides an efficient and practical solution for the analysis of reinforced concrete beams, balancing precision with computational efficiency. |
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Ključne besede: | reinforced concrete structures, non-linear behaviour, transverse displacement, moment–curvature diagram, rotational spring model |
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Status publikacije: | Objavljeno |
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Verzija publikacije: | Objavljena publikacija |
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Poslano v recenzijo: | 17.10.2024 |
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Datum sprejetja članka: | 20.10.2024 |
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Datum objave: | 01.10.2024 |
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Založnik: | MDPI |
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Leto izida: | 2024 |
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Št. strani: | 19 str. |
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Številčenje: | Vol. 12, iss. 21, [article no.] 3327 |
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PID: | 20.500.12556/DKUM-91515  |
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UDK: | 691.328:624.07 |
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COBISS.SI-ID: | 221215491  |
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DOI: | 10.3390/math12213327  |
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ISSN pri članku: | 2227-7390 |
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Datum objave v DKUM: | 10.01.2025 |
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Število ogledov: | 0 |
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Število prenosov: | 6 |
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Metapodatki: |  |
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Področja: | Ostalo
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