Modeling the Behavior of Concrete by Damage Mechanics with a Poisson's Ratio Variable

Bouafia, Youcef; Smahi, Rebiha; Dumontet, Hélène; Kachi, Mohand Said

doi:10.1016/j.mspro.2014.06.117

Cited by 10 publications

(12 citation statements)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Bouafia et al modified constitutive confined concrete model proposed by Mander et al and the reliability of the modified model is supported with experimental data [2,15]. Based on the comparison, the modified model shows a good agreement with experimental data for both circular and rectangular sections.…”

Section: Reinforced Concretementioning

confidence: 57%

“…A reliable nonlinear FEA model to represent the behaviours of concrete corbels was developed by implementing models from [2] and [16]. The capability of the model to predict the behaviours of concrete corbels subjected to vertical load only is validated with experimental data from [6].…”

Section: Resultsmentioning

confidence: 99%

“…To predict the nonlinear behaviour of concrete, compressive and tensile stress-strain curve were developed from [2] and [16] models, respectively. In LUSAS, concrete was attributed as an isotropic material.…”

Section: Table 1model Descriptionmentioning

confidence: 99%

“…Most of failure in PC structures is caused by the failure of connection [10]. To date, there are many researches have been conducted on PC [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. However, there is limited research focused on a connection of PC using SFRC [1].…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Modelling the behaviour of steel fibre reinforced precast beam-to-column connection

Chai

Sarbini

Ibrahim

et al. 2017

IOP Conf. Ser.: Mater. Sci. Eng.

View full text Add to dashboard Cite

Abstract. The numerical behaviour of steel fibre reinforced concrete (SFRC) corbels reinforced with different fibre volume ratio subjected to vertical incremental load is presented in this paper. Precast concrete structures had become popular in the construction field, which offer a faster, neater, safer, easier and cheaper construction work. The construction components are prefabricated in controlled environment under strict supervision before being erected on site. However, precast beam-column connections are prone to failure due to the brittle properties of concrete. Finite element analysis (FEA) is adopted due to the nonlinear behaviour of concrete and SFRC. The key objective of this research is to develop a reliable nonlinear FEA model to represent the behaviour of reinforced concrete corbel. The developed model is validated with experimental data from previous researches. Then, the validated FEA model is used to predict the behaviour of SFRC corbel reinforced with different fibre volume ratio by changing the material parameters. The results show that the addition of steel fibre (SF) increases the load carrying capacity, ductility, stiffness, and changed the failure mode of corbel from brittle bending-shear to flexural ductile. On the other hand, the increasing of SF volume ratio also leads to increased load carrying capacity, ductility, and stiffness of corbel.

show abstract

Section: Reinforced Concretementioning

confidence: 57%

Section: Resultsmentioning

confidence: 99%

Section: Table 1model Descriptionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Modelling the behaviour of steel fibre reinforced precast beam-to-column connection

Chai

Sarbini

Ibrahim

et al. 2017

IOP Conf. Ser.: Mater. Sci. Eng.

View full text Add to dashboard Cite

show abstract

“…However, to take into account the material nonlinearity of concrete, the original form of the equation has to be slightly modified. The material constants can be replaced by stress-dependent functions of variables [5] to consider material damage during loading. The modified form of the generalized formula to determine lateral strain is written as follows in eq.…”

Section: Fig 1 Jacket-deformation and Confining Stressesmentioning

confidence: 99%

Strengthening of axially loaded circular columns

Várdai

2017

Pollack Periodica

View full text Add to dashboard Cite

The application of a deformation-based analytical approach is presented in this paper to calculate the strength-increase of axially loaded circular columns, strengthened with fiber reinforced polymer and reinforced concrete jackets. A short introduction of the calculation methodology is presented and the adopted basic assumptions are briefly explained. Through a trial-and-error type iterative procedure the magnitude of confining stresses and the confined strength of core material are determined, based on the compatibility of lateral deformations of the core column and the jacket-wall. The accuracy of the proposed model for circular sections is demonstrated with a comparison with 149 test results.

show abstract

Deformation‐based method for the analysis of reinforced concrete‐ and fiber reinforced polymer‐jacketed columns subjected to axial compression

Várdai

2017

Structural Concrete

View full text Add to dashboard Cite

This paper introduces a generalized approach for the sectional analysis of jacketing, based on the compatibility of lateral deformation of a jacketed column and jacket wall. The method is suitable to determine the magnitude and distribution of confining stresses provided by reinforced concrete or fiber reinforced polymer jackets at any stress level, and to estimate the ultimate resistance of strengthened columns subjected to axial compression. After the discussion of the theoretical bases of the proposed method, a simplified application is introduced. For validation of applicability and accuracy to predict ultimate capacity, comparison with a large number of experimental results with square‐ and circular‐shaped columns is presented. According to the comparisons, the average of the absolute values of relative errors of the proposed method is 8.34%. The calculation results are evaluated qualitatively as well to highlight relevant issues for jacket detailing and to point out possible future directions of developing adequate design methods.

show abstract

Modeling the Behavior of Concrete by Damage Mechanics with a Poisson's Ratio Variable

Cited by 10 publications

References 7 publications

Modelling the behaviour of steel fibre reinforced precast beam-to-column connection

Modelling the behaviour of steel fibre reinforced precast beam-to-column connection

Strengthening of axially loaded circular columns

Deformation‐based method for the analysis of reinforced concrete‐ and fiber reinforced polymer‐jacketed columns subjected to axial compression

Contact Info

Product

Resources

About