An improved equivalent linear model of seismic isolation system with bilinear behavior

Engineering Structures

Volumn 61, Issue , 2014, Pages 113-126

  Liu, Tao ^a   Zordan, Tobia ^b   Briseghella, Bruno ^c   Zhang, Qilin ^b  

^a UNIVERSITY IUAV OF VENICE   (Italy)

^b TONGJI UNIVERSITY   (China)

^c FUZHOU UNIVERSITY   (China)

Author keywords

Bilinear behavior; Equivalent damping ratio; Equivalent linear analysis; Equivalent stiffness; Seismic isolation

Indexed keywords

LINEARIZATION; MATLAB; STIFFNESS;

BILINEAR BEHAVIOR; EQUIVALENT DAMPING RATIOS; EQUIVALENT STIFFNESS; EQUIVALENT-LINEAR; SEISMIC ISOLATION;

SEISMOLOGY;

ACCURACY ASSESSMENT; DAMPING; DYNAMIC ANALYSIS; DYNAMIC RESPONSE; EARTHQUAKE ENGINEERING; GROUND MOTION; LINEARITY; NUMERICAL MODEL; SEISMIC ISOLATION; SEISMIC RESPONSE; STIFFNESS; STRUCTURAL ANALYSIS; STRUCTURAL RESPONSE;

EID: 84893501280     PISSN: 01410296     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.engstruct.2014.01.013     Document Type: Article

References (27)

1. Marano G.C., Greco R. Efficiency of base isolation systems in structural seismic protection and energetic assessment. J Earthq Eng Struct Dyn 2003, 32(10):1505-1531.
2. Thakare P.P., Jaiswal O.R. Comparative study of fixed base and base isolated building using seismic analysis. Int J Earth Sci Eng 2011, 4(6):520-525.
3. Gomase O.P., Bakre S.V. Performance of non-linear elastomeric base-isolated building structure. Int J Civ Struct Eng 2011, 2(1):280-291.
4. Islam A.B.M., Hussain R.R., Jameel M., Jumaat M.Z. Non-linear time domain analysis of base isolated multi-storey building under site specific bi-directional seismic loading. J Autom Constr 2012, 22:554-566.
5. Wen Y.K. Method of random vibration of hysteretic systems. J Eng Mech Div 1976, 102(2):249-263.
6. Hwang J.S., Wu J.D., Pan T.C., Yang G. A mathematical hysteretic model for elastomeric isolation bearings. J Earthq Eng Struct Dyn 2002, 31(4):771-789.
7. Bhuiyan A.R., Okui Y., Mitamura H., Imai T. A rheology model of high damping rubber bearings for seismic analysis: identification of nonlinear viscosity. J Solids Struct 2009, 46(7-8):1778-1792.
8. Amin A., Alam M.S., Okui Y. An improved hyperelasticity relation in modeling viscoelasticity response of natural and high damping rubbers in compression: experiments, parameter identification and numerical verification. J Mech Mater 2002, 34(2):75-95.
9. Amin A., Lion A., Sekita S., Okui Y. Nonlinear dependence of viscosity in modeling the rate-dependent response of natural and high damping rubbers in compression and shear: experimental identification and numerical verification. Int. J. Plast 2006, 22(9):1610-1657.
10. Almazán J.L., De la Llera J.C. Analytical model of structures with frictional pendulum isolators. J Earthq Eng Struct Dyn 2002, 31(2):305-332.
11. Ramirez CM, Miranda E. Simplified analysis for preliminary design of base-isolated structures. In: Proceedings of the 2007 structures congress: New Horizons and Better Practices, ASCE; 2007. p. 1-11.
12. Guyader A.C., Iwan W.D. Determining equivalent linear parameters for use in a capacity spectrum method of analysis. J Struct Eng 2006, 132(1):59-67.
13. Rosenblueth E., Herrera I. On a kind of hysteretic damping. J Eng Mech Div 1964, 90(4):37-48.
14. Hwang J.S., Chiou J.M. An equivalent linear model of lead-rubber seismic isolation bearings. J Eng Struct 1996, 18(7):528-536.
15. Dicleli M., Buddaram S. Comprehensive evaluation of equivalent linear analysis method for seismic-isolated structures represented by SDOF systems. J Eng Struct 2007, 29(8):1653-1663.
16. Jara M., Jara J.M., Olmos B.A., Casas J.R. Improved procedure for equivalent linearization of bridges supported on hysteretic isolators. J Eng Struct 2012, 35:99-106.
17. Guyader AC, Iwan WD. An improved capacity spectrum method employing statistically optimized linearization parameters. In: Proceedings of the 13th world conference on earthquake engineering, Vancouver, Canada; 2004.
18. Eurocode 8. Design provisions for earthquake resistance of structures. Part 1: General rules, seismic actions and rules for buildings. BS EN 1998-1, Brussels; 2004.
19. AASHTO. Guide specifications for seismic isolation design. American Association of State Highway and Transportation Officials, 444 North Capitol Street, N.W. Suite 249, Washington, DC; 2002.
20. NTC (Nuove Norme Tecniche per le Costruzioni) (2008). Chapter 7.10: COSTRUZIONI E PONTI CON ISOLAMENTO E/O DISSIPAZIONE. Roma: Gazzetta Ufficiale della Repubblica Italiana, No. 29 del 4 febbraio 2008-S.O. n. 30; 2008; p. 471-90 [in Italian].
21. Liu T., Zordan T., Briseghella B., Zhang Q. Evaluation of equivalent linearization analysis methods for seismically isolated buildings characterized by SDOF systems. J Eng Struct 2014, 59:619-634.
22. Jacobsen L.S. Steady forced vibrations as influenced by damping. ASME Trans 1930, 52(15):169-181.
23. Pacific Earthquake Engineering Research Center (PEER): Ground Motion Database. 2010BetaVersion. http://www.peer.berkeley.edu/peer_ground_motion_database.
24. Mazzoni S, McKenna F, Fenves GL. OpenSees command language manual, Pacific Earthquake Engineering Research Center. University of California at Berkeley, CA; 2007.
25. Tena-Colunga A., Zambrana-Rojas C. Dynamic torsional amplifications of base-isolated structures with an eccentric isolation system. J Eng Struct 2006, 28(1):72-83.
26. Newmark N.M. A method of computation for structural dynamics. J Eng Mech 1959, 85(EM3):67-94.
27. Deb K., Pratab A., Agarwal S., Meyarivan T. A fast and elitist multiobjective genetic algorithm: NSGA-II. IEEE Trans Evolut Comput 2002, 6(2):182-197.