Structural Engineering and Mechanics

Techno-Press (테크노프레스)
권호 표지
DOI QR코드

DOI QR Code

Experimental investigation of a new steel friction device with link element for seismic strengthening of structures

  • Papadopoulos, Panikos K. (Aristotle University of Thessaloniki, Department of Civil Engineering, University Campus) ;
  • Salonikios, Thomas N. (Earthquake Planning and Protection Organization, Research Division) ;
  • Dimitrakis, Stergios A. (Aristotle University of Thessaloniki, Department of Civil Engineering, University Campus) ;
  • Papadopoulos, Alkis P. (Aristotle University of Thessaloniki, Department of Civil Engineering, University Campus)
  • Received : 2012.08.03
  • Accepted : 2013.04.25
  • Published : 2013.05.25
⟨ Previous Next ⟩

Abstract

In the present work a new friction device, with a set of single or double rotational friction flanges and a link element, is described and tested. The mechanism may be applied for the strengthening of existing r/c or steel buildings as well as in new constructed buildings. The device has selectable variable behavior in different levels of displacement and an interlock mechanism that is provided by the link element. The link element may be designed to lock at preselected level of displacement, offering in this way an extra safety reserve against strong earthquakes. A summary of the existing literature about other similar mechanisms is initially presented in this paper. The proposed mechanism is presented and described in details. Laboratory experiments are presented in detail and the resulted response that proves the efficiency of the mechanism at selectable levels of strength capacity is discussed. Drawings of the mechanism attached to a r/c frame with connection details are also included. Finally a dynamic analysis of two r/c frames, with and without the proposed mechanism attached, is performed and the resulted response is given. The main conclusion is that the proposed mechanism is a cheap and efficient devise for the improvement of the performance of new or existing framed buildings to seismic loads.

Keywords

References

  1. Apostolakis, G. and Dargush, G. F. (2010), "Optimal seismic design of moment-resisting steel frames with hysteretic passive devices", J. of Earthq. Eng. Struct. D. 39(4), 356-376.
  2. Christopoulos, C., Tremblay, R., Kim, H. and Lacerte, M. (2008), "Self-centering energy bracing system for the seismic resistance of structures: Development and Validation", J Struct Eng-ASCE, 134(1), 96-107. https://doi.org/10.1061/(ASCE)0733-9445(2008)134:1(96)
  3. Colajanni, P. and Papia, M. (1995), "Seismic response of braced frames with and without friction dampers", Eng Struct. J., 17(2), 129-140. https://doi.org/10.1016/0141-0296(95)92644-N
  4. De la Cruz, S.T., Lopez-Almansa, F. and Oller, S. (2007), "Numerical simulation of the seismic behavior of building structures equipped with friction energy dissipators", J. Comput. Struct., 85(1-2), 30-42. https://doi.org/10.1016/j.compstruc.2006.08.050
  5. Filiatrault, A. and Cherry, S. (1988), "Comparative performance of friction damped systems and base isolation systems for earthquake retrofit and seismic design", J. of Earthq. Eng. Struct. D., 16(3), 389-416. https://doi.org/10.1002/eqe.4290160308
  6. Filiatrault, A. and Cherry, S. (1990), "Seismic design spectra for friction-damped structures", J Struct Eng-ASCE, 116(5), 1334 -1355. https://doi.org/10.1061/(ASCE)0733-9445(1990)116:5(1334)
  7. Kurata, M., Leon, R. and DesRoches, R. (2012), "Rapid seismic rehabilitation strategy: Concept and testing of cable bracing with COouples REsisting Damper (CORE Damper)", J Struct Eng-ASCE, 137(3), 354-362.
  8. Lopez - Almansa, F., De La Cruz, S.T. and Taylor, C. (2011), "Experimental study of friction dissipators for seismic protection of building structures", J. Earthq. Eng. & Eng. Vib., 10(4), 475-486. https://doi.org/10.1007/s11803-011-0082-0
  9. Mualla, I. and Belev, B. (2002), "Performance of steel frames with a new friction damper device under earthquake excitation", Eng Struct. J., 24(3), 365-371. https://doi.org/10.1016/S0141-0296(01)00102-X
  10. Pall, A.S. and Marsh, C. (1982), "Response of friction damped braced frames", J. of the Structural Division ASCE, 108(ST6), 1313-1323.
  11. Papadopoulos, P. and Athanatopoulou, A. (2002), "Seismic behaviour of dual systems with in-plane discontinuities", Proceedings of 12th ECEE, London, UK.
  12. Papadopoulos, P. and Mitsopoulou, E. (2008), "Examination of new device of steel Anti-seismic element for the purpose of strengthening of reinforced concrete building structures", Proceedings of 14th WCEE, Beijing, China.
  13. Papadopoulos, P. (2010), "New nonlinear anti-seismic steel device for the increase the seismic capacity of multi-storey reinforced concrete frames", J Struct. Des. Tall Spec. Build., doi: 10.1002/tal.648.
  14. Pekau, O. and Guimond, R. (1991), "Cotrolling seismic response of eccentric structures by friction dampers", J. of Earthq. Eng. Struct. D., 20(3), 505-521. https://doi.org/10.1002/eqe.4290200602
  15. Rodgers, G.W., Mander, J.B. and Chase, J.G. (2012), "Modeling cyclic loading behavior of joined precast concrete connections including effects of friction, tendon yielding and dampers", J. of Earthq. Eng. Struct. D., DOI: 10.1002/eqe.2183.
  16. Rojas, P., Ricles, J.M. and Sause, R. (2005), "Seismic performance of post-tensioned steel moment resisting frames with friction devices", J Struct Eng-ASCE, 131(4), 529-540. https://doi.org/10.1061/(ASCE)0733-9445(2005)131:4(529)
  17. Sabnis, S., Harris, H., White, R. and Mirza, S. (1983), Structural modeling and experimental techniques, Prentice-Hall Civil Engineering and Engineering Mechanics Series, Englewood Cliffs, NJ.
  18. Symans, M. and Constantinou, M. (1999), "Semi-active control systems for seismic protection of structures: a state-of-the-art-review", Eng. Struct. J., 21(6), 469-87. https://doi.org/10.1016/S0141-0296(97)00225-3
  19. Wu, B., Zhang, J., Williams, M. and Ou, J. (2005), "Hysteretic behavior of improved Pall-typed frictional dampers", Eng. Struct. J., 27(8), 1258-1267. https://doi.org/10.1016/j.engstruct.2005.03.010
  20. Zhang, R., Soong, T. and Mahmoodi, P., (1989), "Seismic response of steel frame structures with added viscoelastic dampers" J. of Earthq. Eng. Struct. D., 18(3), 389-396. https://doi.org/10.1002/eqe.4290180307

Cited by

  1. Experimental investigation on hysteretic behavior of rotational friction dampers with new friction materials vol.24, pp.2, 2013, https://doi.org/10.12989/scs.2017.24.2.239