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- Title
ON SHEAR REINFORCEMENT DESIGN OF STRUCTURAL CONCRETE BEAMS ON THE BASIS OF THEORY OF PLASTICITY.
- Authors
Jensen, Bjarne Christian; Lapko, Andrzej
- Abstract
Modern design of reinforced concrete structural members for shear is based on the theory of plasticity. This paper is written to contribute to the understanding of the inclination of the concrete strut in the inclined strut model for design of shear reinforcement in beams, which among others are used in Eurocode 2. The problem of inclination of the compression strut in truss model is analysed depending on shear reinforcement ratio and effectiveness ratio of concrete strength for compression. Also the understanding of necessary ductility in steel reinforcing bars is discussed in the paper and especially the needs of tests on translation capacity of the shear failure are here analysed. To explain these problems the paper gives a short introduction to the theory of plasticity of reinforced concrete in shear and the background for the equations, which are used in shear design according to Eurocode 2.
- Subjects
SHEAR (Mechanics); MATERIAL plasticity; CONCRETE beams; TRUSSES -- Design &; construction; DUCTILITY
- Publication
Journal of Civil Engineering & Management, 2009, Vol 15, Issue 4, p395
- ISSN
1392-3730
- Publication type
Article
- DOI
10.3846/1392-3730.2009.15.395-403