Finite Element Analysis of Recycled Concrete Filled Steel Tube in Bending State

Abstract:

The objective of this paper is to provide the references through finite element analysis for steel tube concrete beams bearing capacity settlement. The paper verified the correctness of the constitutive relation of concrete, the correctness and the model through the establishment of the concrete damaged plasticity model with recycled concrete details in the finite element analysis software ABAQUS. Then the stress characteristics of steel pipe concrete beam in bending condition under different substitution rate could be found through model calculation. The result is that the mid span bending - strain curve from simulation agreed to the experimental results, and the model is proved correct. Finally it came to the conclusions. Other things being equal, the recycled concrete filled square tube changed a lot in bending state when the substitution rate grows, but it didn’t occur to the circular one. In the meantime, the writer proposed the conjecture on the bearing capacity calculation of the two types of structure.

• Periodical: Applied Mechanics and Materials (Volumes 578-579)
• Pages: 269-273
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.578-579.269
• Online since: July 2014
• Authors: Bing Li*, Shuang Meng, Wei Hao Wang
• Keywords: Constitutive Relation of Concrete, Finite Element Analysis (FEA), Recycled Concrete, Substitution Rate

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