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Parameteranalyse zur Länge der Zone des konstanten Moments im Vierpunkt‐Biegeversuch bei bewehrten Betonbalken
Author(s) -
Galić M.,
Marović P.,
Harapin A.
Publication year - 2013
Publication title -
materialwissenschaft und werkstofftechnik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.285
H-Index - 38
eISSN - 1521-4052
pISSN - 0933-5137
DOI - 10.1002/mawe.201300149
Subject(s) - eurocode , reinforced concrete , parametric statistics , bending moment , structural engineering , bending , flexural strength , moment (physics) , materials science , constant (computer programming) , physics , mathematics , engineering , computer science , classical mechanics , statistics , programming language
This paper describes performed numerical parametric analyses of constant‐moment zone length in four point bending of reinforced concrete structures by a 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 numerical two‐dimensional model by Fantilli et al. and experimental results 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 the 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 the size effect on the structural response of compressed concrete is not taken into account.