Stress-resultant models for ultimate load design of reinforced concrete frames and multi-scale parameter estimates - Université de technologie de Compiègne Access content directly
Journal Articles Computational Mechanics Year : 2013

Stress-resultant models for ultimate load design of reinforced concrete frames and multi-scale parameter estimates

Abstract

In this work, we present a new finite element for (geometrically linear) Timoshenko beam model for ultimate load computation of reinforced concrete frames. The proposed model combines the descriptions of the diffuse plastic failure in the beam-column followed by the creation of plastic hinges due to the failure or collapse of the concrete and of the re-bars. A modified multi-scale analysis is performed in order to identify the parameters for stress-resultant-based macro model, which is used to described the behavior of the Timoshenko beam element. For clarity, we focus upon the micro-scale models using the multi-fiber elements with embedded displacement discontinuities in mode I, which would typically be triggered by bending failure mode. More general case of micro-scale model capable of describing shear failure is described by Ibrahimbegovic et al. (Int J Numer Methods Eng 83(4):452–481, 2010).

Dates and versions

hal-02002878 , version 1 (31-01-2019)

Identifiers

Cite

B. Pham, Delphine Brancherie, L. Davenne, A. Ibrahimbegovic. Stress-resultant models for ultimate load design of reinforced concrete frames and multi-scale parameter estimates. Computational Mechanics, 2013, 51 (3), pp.347-360. ⟨10.1007/s00466-012-0734-6⟩. ⟨hal-02002878⟩
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