International Journal of Steel Structures

, Volume 18, Issue 4, pp 1107–1124 | Cite as

Distribution of Optimum Yield-Strength and Plastic Strain Energy Prediction of Hysteretic Dampers in Coupled Shear Wall Buildings

  • Bahador BagheriEmail author
  • Sang-Hoon Oh
  • Seung-Hoon Shin


The structural behavior of reinforced concrete coupled shear wall structures is greatly influenced by the behavior of their coupling beams. This paper presents a process of the seismic analysis of reinforced concrete coupled shear wall-frame system linked by hysteretic dampers at each floor. The hysteretic dampers are located at the middle portion of the linked beams which most of the inelastic damage would be concentrated. This study concerned particularly with wall-frame structures that do not twist. The proposed method, which is based on the energy equilibrium method, offers an important design method by the result of increasing energy dissipation capacity and reducing damage to the wall’s base. The optimum distribution of yield shear force coefficients is to evenly distribute the damage at dampers over the structural height based on the cumulative plastic deformation ratio of the dissipation device. Nonlinear dynamic analysis indicates that, with a proper set of damping parameters, the wall’s dynamic responses can be well controlled. Finally, based on the total plastic strain energy and its trend through the height of the buildings, a prediction equation is suggested.


Coupled shear wall Passive control system Optimum distribution of yield shear force coefficients of dampers Plastic strain energy of dampers 



This work was supported by a 2-year Research Grant of Pusan National University.


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Copyright information

© Korean Society of Steel Construction 2018

Authors and Affiliations

  1. 1.Department of Architectural EngineeringPusan National UniversityBusanKorea

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