Karafan Journal

Karafan Journal

Numerical Study of the Seismic Behavior of a Composite Shear Wall Consisting of Steel Sheet and Reinforced Concrete Cover

Document Type : Original Article

Authors
Hadis Hosaini 1
Ebrahim Khalilzadeh Vahidi 2
1 M.Sc Student in Structure Engineering, Department of Civil Engineering, Faculty of Engineering, Razi University, Kermanshah, Iran.
2 Assistant Professor, Department of Civil Engineering, Faculty of Engineering, Razi University, Kermanshah, Iran.
10.48301/kssa.2022.324473.1941
Abstract
A composite shear wall consisting of a steel sheet with a reinforced concrete cover is one of the most common systems resistant to lateral loads in tall structures. The main purpose of this study was to investigate the effect of reinforced concrete cover, steel sheet thickness, and door and window opening on the seismic behavior of steel frames with composite shear walls. For this purpose, in the present study, after validation of numerical modeling, 19 specimens of composite steel shear walls with a height of 3.2m and a span length of 5m were modeled. The results of this study show that the ultimate strength, stiffness, dissipated energy, and ductility in the model with a reinforced concrete cover without opening and with a steel sheet with a thickness of 15 mm, were respectively 12.24, 63.78, 7.82, and 4.37 times the reference model and in the same model without reinforced concrete cover, these values ​​were correspondingly 8, 41.61, 4.46 and 6.24 times the reference model. In other words, due to the prevention of buckling of the steel sheet as a result of compressive force, the reinforced concrete cover increased the ultimate strength, dissipated energy, and ductility. In addition, in the reinforced concrete cover, increasing the thickness of the steel sheet from 10 to 15 mm had little impact on the ultimate strength.
Keywords
Composite Shear Wall
Seismic Behavior
Ultimate Strength
Hardness
Dissipated Energy
Ductility
Subjects
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Karafan Journal
Volume 20, Issue 1 - Serial Number 61
Technical & Engineering
Spring 2023
Pages 389-408

  • Receive Date 16 February 2022
  • Revise Date 01 June 2022
  • Accept Date 25 June 2022