Earthquakes and Structures

  • 제17권6호
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  • Pages.623-633
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  • 2019
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Performance-based plastic design for seismic rehabilitation of high rise frames with eccentric bracing and vertical link

  • 투고 : 2019.09.09
  • 심사 : 2019.11.10
  • 발행 : 2019.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

A large number of available concrete buildings designed only considering gravity load that require seismic rehabilitation because of failure to meet plasticity criteria. Using steel bracings are a common type of seismic rehabilitation. The eccentric bracings with vertical link reduce non-elastic deformation imposed on concrete members as well as elimination of probable buckling problems of bracings. In this study, three concrete frames of 10, 15, and 20 stories designed only for gravity load have been considered for seismic improvement using performance-based plastic design. Afterwards, nonlinear time series analysis was employed to evaluate seismic behavior of the models in two modes including before and after rehabilitation. The results revealed that shear link can yield desirable performance with the least time, cost and number of bracings of concrete frames. Also, it was found that the seismic rehabilitation can reduce maximum relative displacement in the middle stories about 40 to 80 percent. Generally, findings of this study demonstrated that the eccentric bracing with vertical link can be employed as a suitable proxy to achieve better seismic performance for existing high rise concrete frames.

키워드

참고문헌

  1. Al-Dwaik, M.M. and Armouti, N.S. (2013), "Analytical case study of seismic performance of retrofit strategies for reinforced concrete frames: steel bracing with shear links versus column jacketing", Jordan J. Civil Eng., 159(701), 1-18. https://doi.org/10.12816/0000542.
  2. Azad, S.K. and Topkaya, C. (2017), "A review of research on steel eccentrically braced frames", J. Constr. Steel Res., 128, 53-73. https://doi.org/10.1016/j.jcsr.2016.07.032.
  3. Bao, Y., Kunnath, S.K., El-Tawil, S. and Lew, H.S. (2008), "Macromodel-based simulation of progressive collapse: RC frame structures", J. Struct. Eng., 134(7), 1079-1091. https://doi.org/10.1061/(ASCE)0733-9445(2008)134:7(1079).
  4. Bozkurt, M.B., Kazemzadeh Azad, S. and Topkaya, C. (2018), "Low-cycle fatigue testing of shear links and calibration of a damage law", J. Struct. Eng., 144(10), 04018189. https://doi.org/10.1061/(ASCE)ST.1943-541X.0002192.
  5. Cao, L. and Li, C. (2019), "Tuned tandem mass dampers-inerters with broadband high effectiveness for structures under white noise base excitations", Struct. Control Hlth. Monit., 26(4), e2319. https://doi.org/10.1002/stc.2319.
  6. Castro, J., Araujo, M., D'Aniello, M. and Landolfo, R. (2018), Strengthening of RC Buildings with Steel Elements Strengthening and Retrofitting of Existing Structures, Springer.
  7. Dolsek, M. and Fajfar, P. (2008), "The effect of masonry infills on the seismic response of a four-storey reinforced concrete frame-a deterministic assessment", Eng. Struct., 30(7), 1991-2001. https://doi.org/10.1016/j.engstruct.2008.01.001.
  8. Fakhraddini, A., Hamed, S. and Fadaee, M.J. (2019), "Peak displacement patterns for the performance-based seismic design of steel eccentrically braced frames", Earthq. Eng. Eng. Vib., 18(2), 379-393. https://doi.org/10.1007/s11803-019-0510-0.
  9. Foutch, D.A. (1989), "Seismic behavior of eccentrically braced steel building", J. Struct. Eng., 115(8), 1857-1876. https://doi.org/10.1061/(ASCE)0733-9445(1989)115:8(1857).
  10. Furtado, A., Rodrigues, H., Varum, H. and Costa, A. (2017), "Evaluation of different strengthening techniques' efficiency for a soft storey building", Eur. J. Environ. Civil Eng., 21(4), 371-388. https://doi.org/10.1080/19648189.2015.1119064.
  11. Goel, S.C., Liao, W.C., Reza Bayat, M. and Chao, S.H. (2010), "Performance-based plastic design (PBPD) method for earthquake-resistant structures: an overview", Struct. Des. Tall Spec. Build., 19(1-2), 115-137. https://doi.org/10.1002/tal.547.
  12. Hajali, M., Jalali, A. and Maleki, A. (2018), "Effects of near fault and far fault ground motions on nonlinear dynamic response and seismic improvement of bridges", Civil Eng. J., 4(6), 1456-1466. https://doi.org/10.28991/cej-0309186
  13. Haselton, C.B., Liel, A.B., Deierlein, G.G., Dean, B.S. and Chou, J.H. (2010), "Seismic collapse safety of reinforced concrete buildings. I: Assessment of ductile moment frames", J. Struct. Eng., 137(4), 481-491. https://doi.org/10.1061/(ASCE)ST.1943-541X.0000318.
  14. Liao, W.C. (2010), "Performance-based plastic design of earthquake resistant reinforced concrete moment frames".
  15. Lu, X., Xie, L., Guan, H., Huang, Y. and Lu, X. (2015), "A shear wall element for nonlinear seismic analysis of super-tall buildings using OpenSees", Finite Elem. Anal. Des., 98, 14-25. https://doi.org/10.1016/j.finel.2015.01.006.
  16. Marthong, C. (2019), "Rehabilitation of exterior RC beam-column connections using epoxy resin injection and galvanized steel wire mesh", Earthq. Struct., 16(3), 253-263. https://doi.org/10.12989/eas.2019.16.3.253.
  17. McKenna, F., Fenves, G., Jeremic, B. and Scott, M. (2015), "Open system for earthquake engineering simulation, 2000", URL http://opensees. berkeley.edu.
  18. Mohsenian, V. and Mortezaei, A. (2018), "Evaluation of seismic reliability and multi level response reduction factor (R factor) for eccentric braced frames with vertical links", Earthq. Struct., 14(6), 537-549. https://doi.org/10.12989/eas.2018.14.6.537.
  19. Mohsenian, V. and Nikkhoo, A. (2019), "Evaluation of performance and seismic parameters of eccentrically braced frames equipped with dual vertical links", Struct. Eng. Mech., 69(6), 591-605. https://doi.org/10.12989/sem.2019.69.6.591.
  20. Okazaki, T., Engelhardt, M.D., Drolias, A., Schell, E., Hong, J.K. and Uang, C.M. (2009), "Experimental investigation of link-to-column connections in eccentrically braced frames", J. Constr. Steel Res., 65(7), 1401-1412. https://doi.org/10.1016/j.jcsr.2009.02.003.
  21. Priestley, M.N., Seible, F. and Calvi, G.M. (1996), Seismic Design and Retrofit of Bridges, John Wiley & Sons.
  22. Richards, P.W. (2004), "Cyclic stability and capacity design of steel eccentrically braced frames", Ph.D. Dissertation, University of California, San Diego, USA.
  23. Ruiz-Garcia, J., Bojorquez, E. and Corona, E. (2018), "Seismic behavior of steel eccentrically braced frames under soft-soil seismic sequences", Soil Dyn. Earthq. Eng., 115, 119-128. https://doi.org/10.1016/j.soildyn.2018.08.018.
  24. Simpson, B.G. and Mahin, S.A. (2017), "Experimental and numerical investigation of strongback braced frame system to mitigate weak story behavior", J. Struct. Eng., 144(2), 04017211. https://doi.org/10.1061/(ASCE)ST.1943-541X.0001960.
  25. Valente, M. and Milani, G. (2018), "Alternative retrofitting strategies to prevent the failure of an under-designed reinforced concrete frame", Eng. Fail. Anal., 89, 271-285. https://doi.org/10.1016/j.engfailanal.2018.02.001.
  26. Vetr, M. (1998), "Seismic behavior, analysis and design of eccentrically braced frames with vertical shear links", Ph.D. Dissertation, University Tech. Darmstadt W., Germany.
  27. Vetr, M.G., Ghamari, A. and Bouwkamp, J. (2017), "Investigating the nonlinear behavior of eccentrically braced frame with vertical shear links (V-EBF)", J. Build. Eng., 10, 47-59. https://doi.org/10.1016/j.jobe.2017.02.002.
  28. Wu, Y.T., Zhou, Q., Wang, B., Yang, Y.B. and Lan, T.Q. (2018), "Seismic collapse safety of high-rise RC moment frames supported on two ground levels", Earthq. Struct., 14(4), 349-360. https://doi.org/10.12989/eas.2018.14.4.349.
  29. Zou, X.K. and Chan, C.M. (2005), "Optimal seismic performance-based design of reinforced concrete buildings using nonlinear pushover analysis", Eng. Struct., 27(8), 1289-1302. https://doi.org/10.1016/j.engstruct.2005.04.001.