Experimental and Numerical Study of Hybrid Friction Damper

Document Type : Research Article

Authors

1 Seraj higher education institute/ Tabriz/ Iran

2 Seraj higher education institute, Tabriz, Iran

Abstract

In this study, a new hybrid energy dissipation device was developed by combining two friction dampers (auxiliary and main fuse) in series to be used for seismic control of two different earthquake intensities. Compared with the conventional friction dampers, the new hybrid damper has an advantage in which only auxiliary fuse (with low sliding force) is activated for moderate earthquakes and both fuses work simultaneously for strong earthquakes. Cyclic loading tests of the combined hybrid dampers were carried out in order to evaluate their seismic energy dissipation capability. The obtained experimental force-displacement indicated proper details of the new damper to create two performance level. Finite element analyses of the test specimens were also carried out for comparison, which had good agreement with the test results. Force displacement characteristics, Energy dissipation and equivalent viscous damping were also derived and good agreement has been found with code requirement for displacement dependent dampers. Also, it was demonstrated that engaging the main fuse with non-loaded pretention bolts, strength losses of the hybrid damper in subsequent cycles were limited compared to the common friction dampers which can be called “resurrection-type” behavior of the main fuse in the main shocks.

Keywords

Main Subjects

References

[1]    ASCE. 2010. Minimum Design Loads for Buildings and Other Structures, ASCE Standard ASCE/SEI 7-10. American Society of Civil Engineers: Reston, Virginia.
[2]    T. Soong, B. Spencer Jr, Supplemental energy dissipation: state-of-the-art and state-of-the-practice, Engineering structures, 24(3) (2002) 243-259.
[3]    M. Symans, F. Charney, A. Whittaker, M. Constantinou, C. Kircher, M. Johnson, R. McNamara, Energy dissipation systems for seismic applications: current practice and recent developments, Journal of structural engineering, 134(1) (2008) 3-21.
[4]    R.J. Smith, M.R. Willford, The damped outrigger concept for tall buildings, The Structural Design of Tall and Special Buildings, 16(4) (2007) 501-517.
[5]    D.H. Kim, Y.K. Ju, M.H. Kim, S.D. Kim, Wind‐induced vibration control of tall buildings using hybrid buckling‐restrained braces, The Structural Design of Tall and Special Buildings, 23(7) (2014) 549-562.
[6]    C. Christopoulos, M. Montgomery, Viscoelastic coupling dampers (VCDs) for enhanced wind and seismic performance of high‐rise buildings, Earthquake Engineering & Structural Dynamics, 42(15) (2013) 2217-2233.
[7]    C. Christopoulos, M. Montgomery, Viscoelastic coupling dampers (VCDs) for enhanced wind and seismic performance of high‐rise buildings, Earthquake Engineering & Structural Dynamics, 42(15) (2013) 2217-2233.
[8]    Y.E. Ibrahim, J. Marshall, F.A. Charney, A viscoplastic device for seismic protection of structures, Journal of Constructional Steel Research, 63(11) (2007) 1515-1528
[9]    J.D. Marshall, F.A. Charney, A hybrid passive control device for steel structures, I: Development and analysis, Journal of Constructional Steel Research, 66(10) (2010) 1278-1286.
[10] D.H. Kim, Experimental Study on the Seismic Performance of Hybrid Buckling-Restrained Braces, Journal of Korean Society of Hazard Mitigation, 13(4) (2013) 23-29
[11] C.-H. Lee, J. Kim, D.-H. Kim, J. Ryu, Y.K. Ju, Numerical and experimental analysis of combined behavior of shear-type friction damper and nonuniform strip damper for multi-level seismic protection, Engineering Structures, 114 (2016) 7592.
[12] A. Cheraghi, S.M. Zahrai, Innovative multi-level control with concentric pipes along brace to reduce seismic response of steel frames, Journal of Constructional Steel Research, 127 (2016) 120-135
[13] B. Hosseini Hashemi, E. Moaddab, Experimental study of a hybrid structural damper for multiseismic levels, Proceedings of the Institution of Civil Engineers-Structures and Buildings, 170(10) (2017) 722-734.
[14] F. Prestandard, commentary for the seismic rehabilitation of buildings (FEMA356), Washington, DC: Federal Emergency Management Agency, 7 (2000).
[15] ASCE 41-06, Seismic Rehabilitation of Existing Buildings, American So16ciety of Civil Engineers, Virginia(USA), (2007).
[16] S.J. Venture, State of the art report on systems performance of steel moment frames subject to earthquake ground shaking, FEMA 355C,  (2000).
 
Amirkabir Journal of Civil Engineering
Volume 52, Issue 1
April 2020
Pages 53-72

Files

Share

How to cite

Statistics