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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 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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