Simulation of Steel-Concrete Composite Columns Under Vertical and Horizontal Loads Using Abaqus

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Duration: 22m
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level:Intermediate

Simulation of Steel-Concrete Composite Columns Under Vertical and Horizontal Loads Using Abaqus

Course Content

Simulation Files

  • Tutorial Video
    22:26
  • Modeling Files

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Who this product is for :

  • Civil Engineers
  • Engineering Students

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Simulation Files

  • Tutorial Video
    22:26
  • Modeling Files

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Description

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In this tutorial, we investigate the simulation of steel-concrete composite columns subject to both vertical and horizontal loads using Abaqus. Steel-concrete composite columns are innovative structural members that have gained popularity due to their high load-bearing capacity and efficient material use, as well as their outstanding stiffness, ductility, and energy absorption capabilities. By combining reinforced concrete (RC) with structural steel sections, these columns offer significant advantages over traditional reinforced concrete and steel solutions. The concrete element provides fire resistance to the steel components, preventing buckling and contributing to overall structural stability. Utilizing steel-concrete composite columns positively affects the concrete strains when compared to those observed in standard reinforced concrete columns. However, to ensure performance under axial loads, fire exposure, or seismic activity, Steel-Reinforced Concrete (SRC) columns require appropriate longitudinal and transverse reinforcements to mitigate the risk of concrete spalling.

In this simulation, the concrete column and the steel beam core are modeled as three-dimensional solid parts, with the reinforcement bars represented as wire elements and the pusher plate as a rigid component.

The steel members are modeled using an elastic-plastic material with a ductile damage criterion, while the Concrete Damage Plasticity (CDP) model is applied to the concrete column. This tutorial distinguishes between general static and dynamic explicit procedures, comparing the results at the conclusion of the simulations. Perfect contact is assumed between the concrete and steel beam, with the bars embedded within the concrete matrix. A vertical concentrated load is applied to the top surface of the column, and a pressure load is enacted on the side surface of the concrete.

Upon completing both the static and dynamic simulations, a variety of results—including stress, strain, damage, displacement, and force diagrams—are available for analysis.

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Material Includes

  • Concise 22-minute guide to concrete modeling.

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