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Buildings 2018, 8(11), 164; https://doi.org/10.3390/buildings8110164

Effect of Shear Walls on the Active Vibration Control of Buildings

1
Department of Civil Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
2
Laboratory of Systems and Applied Mechanics, Tunisia Polytechnic School, University of Carthage La Marsa, Tunis 2078, Tunisia
3
Department of Civil Engineering, College of Engineering, University of Prince Mugrin, Almadinah 41499, Saudi Arabia
*
Author to whom correspondence should be addressed.
Received: 15 October 2018 / Revised: 2 November 2018 / Accepted: 15 November 2018 / Published: 20 November 2018
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Abstract

The study aims to assess the impact of shear walls on active vibration control of the buildings. It has evaluated the design of a smart 20-story building equipped with an Active Mass Damper to mitigate earthquakes. The design has combined shear walls with an Active Mass Damper (AMD) added on the top floor. The control configuration used a force actuator combined with a displacement sensor and was examined with Direct Velocity Feedback. The effect of the presence of wall braces in the design of tall buildings on the performances as well as the control effort has been studied. The results have stated that the shear walls designed for mitigating earthquake loads are capable of reducing the displacement of the tall building somewhat but failed to reduce the acceleration of the top floor. The combination between shear walls and AMD has incredible damping capability on the displacement and acceleration of the building. However, the shear walls tend to increase the control cost since they require more control energy. View Full-Text
Keywords: active mass damper; control cost; shear walls; tall buildings; vibration control active mass damper; control cost; shear walls; tall buildings; vibration control
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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MDPI and ACS Style

El Ouni, M.H.; Laissy, M.Y.; Ismaeil, M.; Ben Kahla, N. Effect of Shear Walls on the Active Vibration Control of Buildings. Buildings 2018, 8, 164.

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