Concrete Damage Plasticity Model of Brazilian Tests On Concrete Cylinders With An Effect of Concrete Compressive Strength On The Nature of The Size Dependence

International Journal of Civil Engineering

© 2021 by SSRG - IJCE Journal

Volume 8 Issue 6

Year of Publication : 2021

Authors : Rohit Singh Karakoti, Saurabh Pandey, Vaibhav Bist

10.14445/23488352/IJCE-V8I6P104

How to Cite?

Rohit Singh Karakoti, Saurabh Pandey, Vaibhav Bist, "Concrete Damage Plasticity Model of Brazilian Tests On Concrete Cylinders With An Effect of Concrete Compressive Strength On The Nature of The Size Dependence," SSRG International Journal of Civil Engineering, vol. 8,  no. 6, pp. 28-37, 2021. Crossref, https://doi.org/10.14445/23488352/IJCE-V8I6P104

Abstract:

In this research, it has been attempted to investigate the ability of the Concrete damage Plasticity (CDP) material model of the ABAQUS standard software to take into account the size effect phenomenon in simulating the behaviour of concrete structure automatically. To this end, four different grade of concrete and six different size of specimen were used in a standardized split tensile test experiment and were simulated by the ABAQUS software using so-called CDP model for the concrete material. Identification of the parameters used in CDP model used in simulation is done by validating the same. In addition to the material model, the same boundary conditions and finite element attributes were implemented in six different test simulations for four different grades of concrete enabling the author to assess just not only the effects of the size of the specimens on the obtained results but also the effect of concrete compressive strength on nature of size dependence. After comparison of the results obtained from simulation with the corresponding ones extracted from the experiment, it was revealed that in the CDP model of the ABAQUS software can automatically take into account the size effect on tensile strength but is not that prominent

Keywords:

Concrete Damage Plasticity, Split Cylinder tensile test, Size effect, Concrete

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