Reinforcement detail: Stress trajectory‐oriented corbel reinforcement

The article presents a novel design of concrete corbels, where horizontal and vertical stirrups are replaced by main reinforcement bars that are bent down into the corbel web, following the principal stress lines. A test series of three specimen pairs of fanned‐out and conventional reinforcement des...

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Veröffentlicht in:Structural concrete : journal of the FIB 2023-12, Vol.24 (6), p.6923-6932
Hauptverfasser: Hoffmann, Lars, Käseberg, Stefan, Holschemacher, Klaus
Format: Artikel
Sprache:eng
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Zusammenfassung:The article presents a novel design of concrete corbels, where horizontal and vertical stirrups are replaced by main reinforcement bars that are bent down into the corbel web, following the principal stress lines. A test series of three specimen pairs of fanned‐out and conventional reinforcement design, supported by finite element analysis, shows that the same capacity can be achieved with a significantly lower amount of reinforcement steel and a higher ductility.
ISSN:1464-4177
1751-7648
DOI:10.1002/suco.202200920