The paper presents an analytical model for the analysis of reinforced concrete members with rectangular cross-section, strengthened in flexure with various types of externally applied reinforcement (near-surface mounted – NSM – or externally bonded – EBR), in combination with composite material confining jackets. The model takes into account simple but realistic constitutive laws for the constituent materials and through a simplified procedure yields the resistance of cross sections subjected to biaxial bending combined with axial loading. Verification of the analytical approach is provided by comparing the model predictions with existing test results published in the literature. The analytical formulation is then implemented in a user-friendly computer program, which is used to perform a number of parametric studies on the role of various factors (e.g. reinforcing ratios, level of axial force, level of confinement, type of external reinforcement and confining materials) in section resistance.
BOURNAS Dionysios;
TRIANTAFILLOU Thanasis;
2013-08-12
AMER CONCRETE INST
JRC69198
0889-3241,
http://www.concrete.org/PUBS/JOURNALS/OLJDetails.asp?Home=SJ&ID=51684400,
https://publications.jrc.ec.europa.eu/repository/handle/JRC69198,
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