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In this tutorial, the Simulation the pullout behavior of a single steel fiber using cohesive surface modeling in Abaqus has been studied. The concrete is modeled as a axisymmetric deformable part. The concrete is modeled as a axisymmetric part. Geometry is often drawn in 3D, also when it is axisymmetric. The analysis will be much faster when making use of the axisymmetry. You can see a figure of the assembled parts below
Steel fibers are often added to concrete to improve the overall material performance. Typical test results of Steel Fiber Reinforced Concrete (SFRC) show no significant improvement in tensile strength in comparison to plain concrete. However, major improvements in ductility are witnessed . The fibers become active after cracking of the concrete. Therefore, the fibers contribute to the post-cracking behavior of SFRC by bridging the crack and providing resistance to the crack opening. To model concrete behavior, Concrete Damaged Plasticity material model is selected. The elastic behavior is used to model steel fiber. The general static step with some changes in the convergence model to avoid early not convergence is considered. The contact between concrete and steel fiber is assumed as a surface to surface contact with contact properties like friction, shear stress, elastic slip, cohesive stiffness, and damage with evolution. During pullout process, the contact between concrete and steel fiber has shown resistance against the load. The fixed boundary conditions is assigned to the bottom surface of the concrete part. The symmetry boundary is selected for the symmetry surfaces. The displacement as a load is applied to the top surface of the steel fiber. The mesh should be fine to obtain proper results
After the simulation, all results such as stress, strain, force-displacement diagram, contact pressure, and … are available. You can see some figures for the results below
You can provide CAE ,INP,and English video files of this simulation here. The cost of these files is Twenty-Eight Euros. you can click on the bellow bottom to beginning process
You can purchase the tutorial through a PayPal account, a Visa, or a Master card, just before payment,send me an email to this address: karampourp@gmail.com
