Effect of the Improved Pall Friction Damper on the Seismic Response of Steel Frames

Author:

Sarjou P. H.,Shabakhty N.

Abstract

Energy-absorbing dampers are used to reinforce structures which are vulnerable to earthquakes. This study evaluates the performance of Improved Pall Frictional Dampers (IPFD) which is a type of Pall Frictional Damper (PFD). For this purpose, this study compares the performances of steel frames with concentric steel bracing reinforced by IPFD and steel frames with concentric steel bracing with no damper. Frames with different stories and pans were modelled in sap2000 and exposed to accelerograms of earthquakes for non-linear time history analysis. Results of analysis were studied; parameters such as story displacement, base shear and absorbed energy were compared in steel frames with damper and without damper.

Publisher

Engineering, Technology & Applied Science Research

Reference13 articles.

1. A. Pall, “Performance-based design using pall friction dampers-an economical design solution”, 13th World Conference on Earthquake Engineering, Vancouver, BC, Canada, 2004

2. M. C. Constantinou, “Principles of Friction, Viscoelastic., Yielding Steel and Fluid Viscous DAMPERS: Properties and Design”, In Passive and Active Structural Vibration Control in Civil Engineering, Springer Vienna, 1994.

3. V. Ruiz, K. Walsh, M. M. Abdullah, Investigating The Energy Dissipating Properties of Passive Friction Devices, Florida State University, Tallahassee, Florida; Tokyo Institute of Technology, Tokyo, Japan, 2005

4. J. Marko, D. Thambiratnam, N. Perera, “Influence of damping systems on building structures subject to seismic effects”, Engineering Structures, Vol. 26, No. 13, pp. 1939-1956, 2004

5. L. Di Sarno, A. S. Elnashai, “Seismic retrofitting of steel and composite building structure”,. Mid-America Earthquake Center CD Release 02-01, 2002

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