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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 72
IDENTIFICATION, CONTROL AND OPTIMISATION OF ENGINEERING STRUCTURES
Edited by: G. De Roeck and B.H.V. Topping
Paper II.2

Numerical Analysis and Testing of the ADAS Device for Seismic Response Control of Steel Structures

M. Tehranizadeh

Department of Civil Engineering, Amirkabir University of Technology, Tehran, Iran

Full Bibliographic Reference for this paper
M. Tehranizadeh, "Numerical Analysis and Testing of the ADAS Device for Seismic Response Control of Steel Structures", in G. De Roeck, B.H.V. Topping, (Editors), "Identification, Control and Optimisation of Engineering Structures", Civil-Comp Press, Edinburgh, UK, pp 29-39, 2000. doi:10.4203/ccp.72.2.2
Abstract
In order to achieve economical earthquake-resistant constructions building structures must be constructed to dissipate a large amount of seismic energy. Added damping and stiffness (ADAS) elements are designed to dissipate energy through the flextural yielding deformation of mild-steel plates. In this paper, recent research findings on the effectiveness of using steel plate welded as the added damping and stiffness (ADAS) device for earthquake-resistant structure on an interesting type of semi-rigid steel framing connection which is commonly used in Iran (including in seismic zone) are presented. Experimental results indicate that a properly (ADAS) device can sustain a large number of yielding reversals without any stiffness or strength degradation. A research program was under taken to investigate the behavioral aspect of a half scale model of the four-story structure frame upgraded with ADAS elements and subjected to dynamic loads.

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