Comparison of Seismic Behavior of Strengthened Steel Structure with Viscous, Yield and Friction Dampers in Low, Medium and High Rise Buildings

Saberi, Vahid; Saberi, Hamid; Sohrabi, Davood; Nourian, Romina

doi:10.22034/cpj.2022.346851.1142

Comparison of Seismic Behavior of Strengthened Steel Structure with Viscous, Yield and Friction Dampers in Low, Medium and High Rise Buildings

https://doi.org/10.22034/cpj.2022.346851.1142

Volume 4, Issue 4 - Serial Number 38
July 2022

Pages 11-34

Document Type : Research Article

Authors

Vahid Saberi ¹

Hamid Saberi ²

Davood Sohrabi ³

Romina Nourian ⁴

¹ Department of Civil Engineering, Engineering Faculty, Eyvanakey University, Semnan, Iran

² Department of Civil Engineering, Engineering Faculty,University of Eyvanekey, Semnan, Iran

³ MSc, Department of Civil Engineering, Eyvanakey University, Semnan, Iran

⁴ BSc, Department of Civil Engineering, Eyvanakey University, Semnan, Iran

Abstract

Passive control method, which is one of the solutions for strengthening and designing structures under earthquake loadings, has different sub-branches. One of these methods is to improve the existing weak buildings by using different types of damper. The seismic behaviour of the strengthened structure with different type of dampers is one of the main issues in choosing the strengthening method. Due to the energy absorption property, dampers have many applications in both construction and retrofitting. During an earthquake, these devices are activated and convert the earthquake input energy into heat energy, in other words, it absorbs the incoming energy. In previous studies, the use of this damper in various structures has been evaluated, but there is no specific category to investigate its effect on various types of steel structures in terms of height and type of damper. In this paper, the performance of this type of dampers in steel structures with different heights is discussed. The effect of using this type of dampers on the response of the structure such as the story drifts and the base shear is investigated and its performance is compared in steel structures with different heights. In the study of displacement, base shear and energy absorption parameters for three structures of 3, 6 and 12 floors, it was observed that viscous dampers had the best response to friction dampers and ADAS.

Keywords

Seismic design

Energy absorption

Steel structures

Viscous damper

Yield damper

Friction damper

20.1001.1.2676511.1401.4.4.1.9

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