Study on steel reinforced concrete-filled GFRP tubular column under compression

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Duration: 19m
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level:Intermediate

Study on steel reinforced concrete-filled GFRP tubular column under compression

Course Content

Simulation Files

  • Tutorial Video
    00:00
  • Modeling Files

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Who this product is for :

  • Civil Engineers
  • Engineering students

File collection

Simulation Files

  • Tutorial Video
    00:00
  • Modeling Files

Student Ratings & Reviews

No Review Yet
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Description

Papers abstract:

The Steel reinforced concrete-filled fiber reinforced polymer (FRP) tubular column is proposed as a new form of composite column to obtain higher mechanical performance. This paper presents experimental and numerical studies of axially loaded steel reinforced concrete-filled GFRP tubular columns. Ten steel reinforced concrete-filled GFRP tubular columns and two concrete filled GFRP tubular columns are tested. ThespecimensfailbytheruptureoftheGFRPtubesunderhooptensionandonlyoutwardbuckling can be observed because of the presence of the concrete core and steel section. Also, the crushed concrete core and buckling of steel section could be observed after removing of the FRP tube. The results indicate steel reinforced concrete-filled GFRP tubular columns have higher specimen stiffness, strength and deformability than concrete filled GFRP tubular columns. A parametric study, including steel ratio and concrete strength, is also carried out.

 

Product Overview:
This tutorial provides a step-by-step guide to simulating the axial compression behavior of steel-reinforced concrete (SRC) beams. Key simulation steps include:

  • Geometry creation: 3D deformable steel I-beam and concrete column with rigid loading surfaces.
  • Material assignment: Elastic-plastic steel and plastic-damage concrete models.
  • Assembly & constraints: Tie interactions for steel-concrete bonding, frictional contact (µ = 0.25).
  • Loading & boundary conditions: Displacement-controlled compression with encastre support.
  • Meshing & analysis: Explicit dynamic solver with element deletion for concrete cracking

 

In this tutorial, buckling of steel reinforcement and concrete crushing are simulated, according to data from the work of Xue and Gong.

More information

  • This tutorial bridges theoretical research (Xue & Gong 2016) and practical FEA implementation. While the original paper focused on GFRP-steel-concrete synergy, this model simplifies the system for broader applicability. Users can expand the simulation by adding FRP confinement properties to replicate the paper’s full composite behavior.

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Material Includes

  • Package Includes the following items:
  • Simulation files:
  • Abaqus files (The INP files are applicable to all versions):
  • CAE
  • INP
  • JNL
  • Instructional video:
  • Concise 19-minute guide to model setup and outputs for steel-reinforced concrete beams.

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