Behavior of the Concrete Shear Walls, Reinforced with Shape Memory Alloys via Finite Element Method

Document Type : Original Article

Authors

1 Distinguished Professor of Civil Engineering - University of Tehran

2 Former Graduate student of Civil Engineering - University of Tehran

Abstract

In this research, numerical modeling and evaluation of the using new smart alloys in concrete shear wall structures is investigated via finite element method. For this purpose, two 5-story concrete shear walls, one of which is without opening and the other is with openings, are modeled in Abaqus software. In these shear walls, steel and shape memory reinforcement with different percentages were installed in these walls. Then, the results of seismic behavior analysis after installing members made of shaped-memory alloys in reinforced concrete shear wall with interface joint beams are presented. The obtained results are compared with the response of shear wall structures without these members. There are no shape memory bars in the reference shear wall and all its reinforcement is made of steel. The finite element method is a technique which widely used in this field of study. Utilizing this type of analysis and comparing the behavior between single shear wall and shear wall by using shaped-memory alloys, improving seismic behavior and dramatically reducing final and lasting deformation in shear wall structure with shape memory alloy are monitored. In static loading, similar results were observed, indicating the elimination of permanent deformation by these alloys

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References

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History

  • Receive Date: 04 April 2020
  • Revise Date: 04 May 2020
  • Accept Date: 04 May 2020

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