Non-invasive passive control of steel MRFs with rotational friction devices

Mulas, M.G. and Martinez-Rueda, J.E. (2002) Non-invasive passive control of steel MRFs with rotational friction devices In: UNSPECIFIED.

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Abstract

The efficiency of a passive control technique is analyzed in the case of the seismic retrofitting of a steel moment-resisting frame (MRF). A significant part of the energy input by the earth¬quake is dissipated through rotational friction devices, located around beam-column joint zones where inelastic behavior is expected. An experimental cyclic test has validated the hysteretic restoring force model of the device, which has been adopted to numerically model the device in a computer code for the nonlinear analysis of steel MRFs. As an example of application, a frame designed by Tsai and Popov in 1988 is analyzed; the po¬sitive effect of retrofitting, for both the serviceability and the ultimate limit state (SLS and ULS), is measured by the reduction in local and global ductility requirements.

Item Type:Contribution to conference proceedings in the public domain (UNSPECIFIED)
Subjects:H000 Engineering > H200 Civil Engineering > H210 Structural Engineering
H000 Engineering > H200 Civil Engineering
Faculties:Faculty of Science and Engineering > School of Environment and Technology > Ground water and structural engineering
Faculty of Science and Engineering > School of Environment and Technology
ID Code:8116
Deposited By:editor environment
Deposited On:24 Mar 2011 09:01
Last Modified:05 Jul 2013 15:04

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