20.500.12556/DKUM-91515 Analysing flexural response in RC beams: a closed-form solution designer perspective from detailed to simplified modelling 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. reinforced concrete structures non-linear behaviour transverse displacement moment–curvature diagram rotational spring model armiranobetonske konstrukcije nelinearno obnašanje prečni premiki diagram moment-ukrivljenost model rotacijske vzmeti true false true MDPI Angleški jezik Slovenski jezik https://www.mdpi.com/2227-7390/12/21/3327 Članek v reviji 2025-01-10 10:27:24 2025-01-10 10:27:24 2025-01-11 03:10:38 0000-00-00 00:00:00 2024 0 0 19 str. iss. 21, [article no.] 3327 Vol. 12 Oct. 2024 0000-00-00 Zaloznikova Objavljeno NiDoloceno 2024-10-17 2024-10-20 2024-10-01 691.328:624.07 221215491 10.3390/math12213327 2227-7390 mathematics-12-03327.pdf mathematics-12-03327.pdf 1 974356312969FF7D439E46908C5CC04F 4c8f50b0b4ff23fc6b671ec448cc2d625825d41013245d9df51b9cf9899b80a8 8424c0ad-cf35-11ef-8532-00155d000105 https://dk.um.si/Dokument.php?lang=slv&id=187727 https://www.mdpi.com/2227-7390/12/21/3327 0 8bfb1d8a-cf35-11ef-8532-00155d000105 https://dk.um.si/Dokument.php?lang=slv&id=187728 Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo 0 0 0