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Parametric analysis of constant-moment zone length in four point bending of reinforced concrete beams (CROSBI ID 193375)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Galić, Mirela ; Marović, Pavao ; Harapin, Alen Parametric analysis of constant-moment zone length in four point bending of reinforced concrete beams // Materialwissenschaft und Werkstofftechnik, 44 (2013), 5; 449-457. doi: 10.1002/mawe.201300149

Podaci o odgovornosti

Galić, Mirela ; Marović, Pavao ; Harapin, Alen

engleski

Parametric analysis of constant-moment zone length in four point bending of reinforced concrete beams

This paper describes performed numerical parametric analyses of constant-moment zone length in four point bending of reinforced concrete structures by developed three-dimensional numerical material model for analyzing reinforced concrete structures. The model is defined by elementary material parameters which can be obtained by a standard uniaxial test so that the very complex behaviour of reinforced concrete structures can be described simply and effectively but with a sufficiently accurate model. The aim is to reproduce and to compare obtained results with the one obtained on mechanical two-dimensional model, by Fantilli et al. and experimentally by Weiss et al. where a constant-moment zone length is investigated to determine whether the flexural response of reinforced concrete beams is size (length) dependent. Parametric analyses will be performed on normal-strength concrete (NSC) and high-strength concrete (HSC) beams with four different constant-moment zone lengths and two different reinforcement ratios. As developed model enables a very detailed and precise analysis of reinforced concrete structures until crushing with a high accuracy we hope to confirm Fantilli et al. results what could lead to the improvement of Eurocode 2 where size effect on the structural response of compressed concrete is not taken into account.

compressed concrete; ductility; finite element; four point bending; size effect

Special Issue: Advanced Computational Engineering and Experimenting (ACE-X 2012).

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Podaci o izdanju

44 (5)

2013.

449-457

objavljeno

0933-5137

10.1002/mawe.201300149

Povezanost rada

Građevinarstvo, Temeljne tehničke znanosti

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