Analytical Solution for Bond‐Slip of Reinforcing Bars in R.C. Joints

Russo, Gianpiero; Zingone, Gaetano; Romano, Filippo

doi:10.1061/(asce)0733-9445(1990)116:2(336)

Cited by 49 publications

(29 citation statements)

References 4 publications

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“…element, as the one represented in Fig. 3(b), the equilibria of horizontal forces and of moments coincide, hence only a single equilibrium equation can be written [1,3,4]. In contrast, given the problem under consideration ( Fig.…”

Section: Governing Equationsmentioning

confidence: 99%

“…The integration of Eq. (13) leads to equations similar to the solving equations of the symmetrical bond problem [4,11], but different in the expression of χ b (Eq. (11)), holding only for the asymmetrical bond problem…”

Section: Governing Equationsmentioning

confidence: 99%

“…As this law is nonlinear [1,2], so the second order differential equation governing the bond problem results as non-linear [3,4]. This equation is valid under axial symmetry conditions, but the symmetry is usually solely assumed for convenience [1,[3][4][5], often disregarding the fact that great asymmetry exists in bond problems. The most representative among the asymmetric problems are those concerning the bottom reinforcing longitudinal continuous bars or anchorages or lapped splices of RC beams.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Solution for bond distribution in asymmetric R.C. structural members

Russo

Pauletta

Mitri

2009

Engineering Structures

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Section: Governing Equationsmentioning

confidence: 99%

Section: Governing Equationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Solution for bond distribution in asymmetric R.C. structural members

Russo

Pauletta

Mitri

2009

Engineering Structures

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“…The original bondslip law proposed by Eligehausen et al (1983), or its slightly modified version used by Filippou et al (1983), hereafter called Eligehausen-Filippou model, have been widely and successfully used for numerical simulations of bond-slip within well-confined critical regions under Page 4 of 38 generalized loadings, such as ductile RC frame joints (Filippou et al 1983;Russo et al 1990;Monti et al 1997;Monti and Spacone 2000;Limkatanyu and Spacone 2003). It was also adopted by the CEB-FIP Model Code 90 (CEB-FIP 1993) and was used as a base model for many bond-slip laws extended to simulate the behaviour in Polymer Fiber Reinforced concrete (Rossetti et al 1995;Cosenza et al 1997;Lin and Zhang 2014).…”

Section: Introductionmentioning

confidence: 99%

Local bond stress-slip model for reinforced concrete joints and anchorages with moderate confinement

2017

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This paper presents a summary of an experimental investigation and the derivation of a bond-slip model for reinforcing steel embedded in moderately confined concrete under monotonic and cyclic loadings. Moderately confined concrete encompasses the domain between unconfined and well-confined concrete, the limits of which are defined in the paper. The proposed constitutive law adapts and extends the well-known Eligehausen-Filippou law for wellconfined concrete to moderately confined concrete. It is described by an envelope curve and degradation rules. The former is obtained through a confinement index, defined in this study as a function of the amount of confining steel and concrete, distance between confining steel and the rebar and concrete segregation effect. It is proposed to adopt the same degradation rules used for well-confined concrete. These rules are validated through statistical tests for moderately confined concrete. They are found to predict correctly the main features of reduced envelope response under increasing cycling amplitudes but to underestimate response degradation under constant cycling limits for the subsequent cycles to the first cycle. To demonstrate the validity and limitations of the proposed model, its predictions under monotonic loading are compared with experimental results and analytical predictions from other studies.

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“…The concrete deformability can be later taken into account using other numerical tools. The fundamentals of this local bond-slip law are summarized in Figure 1 and Equation (1) and are based on the assumption that the applied axial force is purely balanced by the tangential force produced, considering that the concrete substrate remains undeformed.…”

Section: Introductionmentioning

confidence: 99%

Critical Analysis of Fibre‐Reinforced Polymer Near‐Surface Mounted Double‐shear Pull‐out Tests

Costa

Barros

2013

Strain

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The study of the bond behaviour between fibre‐reinforced polymer (FRP) systems and concrete is an issue that nowadays attracts many researchers. The scientific community dedicated to the research of FRP reinforcement has been conducting numerous experimental programmes aiming to assess the local bond–slip law of the FRP–adhesive–concrete connection. This paper reports the relevant results obtained by the Structural Composite Research Group of Minho University in the scope of an international Round Robin Test. The suitability of the recommended test setup to derive a local bond constitutive law for modelling the bond behaviour of near‐surface mounted reinforcement systems is discussed based on a deep interpretation of the results.

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Analytical Solution for Bond‐Slip of Reinforcing Bars in R.C. Joints

Cited by 49 publications

References 4 publications

Solution for bond distribution in asymmetric R.C. structural members

Solution for bond distribution in asymmetric R.C. structural members

Local bond stress-slip model for reinforced concrete joints and anchorages with moderate confinement

Critical Analysis of Fibre‐Reinforced Polymer Near‐Surface Mounted Double‐shear Pull‐out Tests

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