Concrete Modelling in Abaqus

Concrete Modelling in Abaqus: Concrete is one of the main materials used in the civil industry. This composite material, the main component of which is cement, has properties such as low price, availability of raw materials, and relatively high durability.
To ensure adequate strength and safety of concrete structures, it is necessary to use valid codes and standards. Some of them recommend the use of finite element analysis (FEA) for better reliability. This is because the nonlinear behavior of concrete is not always predictable using simple standard formulations.

In Abaqus, there are several material models for predicting the mechanical behavior and failure of concrete as well as the reinforcement. Proper modeling of concrete structures depends not only on its material properties, but also on the interaction of concrete and reinforcement, the type of elements and loads, and so on.
In this training package, we have tried to cover all the tips and tricks that are required by the user when modeling concrete structures. Material models available in the Abaqus and its parameters are described. Also, the modeling methods of rebars and reinforcements are expressed one by one and the strengths and weaknesses of each are examined. Finally, in 3 comprehensive examples in the field of explosion, fire, and connections, these cases are used in practice.

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What you learn:

In this training course, you will get acquainted with concrete material models in Abaqus and determine their parameters. How to model the damage in the concrete, its damage modes, selecting the appropriate element in accordance with the analysis, modeling, and its various methods are part of the things that you will learn in this course.

Overview of the course

1. Concrete behavior
2. Concrete materials models in Abaqus
   1. Brittle cracking model.
   2. Concrete damage plasticity (CDP)
   3. Holmquist-Johnson-Cook (HJC) concrete model
   4. Concrete smeared cracking
3. Modeling crack growth and damage in concrete
   1. Define concrete damage parameters
   2. Mechanical and damage properties of concrete
   3. Concrete damage modes
4. Element selection
5. Concrete reinforcement methods
6. Embedded Element
7. Rebar layer
8. Pre-stress in rebars
9. Examples
   1. Simulation of a concrete bridge affected by explosion and investigation of the effect of composite jackets on its strength
   2. Simulation of fire on a concrete roof
   3. Reinforced concrete beam-column joint