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Comparison of Energy Demand in Multi-Story Buckling Restrained Braced Frame and Equivalent SDOF System  

김진구 (성균관대학교 건축공학과)
원영섭 (성균관대학교 건축공학과)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.16, no.2, 2003 , pp. 173-182 More about this Journal
Abstract
In equivalent static nonlinear analysis and in energy-based design, the structures are generally transformed into an equivalent SDOF system. In this study the seismic energy demands in multi story structures, such as three-, eight-, and twenty-story steel moment-resisting frames(MRF), buckling restrained braced frames(BRBF) and a damage tolerant braced frame(DTBF), are compared with those of equivalent single degree of freedom(ESDOF) systems. Sixty earthquake ground motions recorded In different soil conditions, which are soft rock, soft soil, and neat fault, were used to compute the input and hysteretic energy demands in model structures. In case the modal mass coefficient is less than 0.8, the effects of higher modes are considered in the process of converting into ESDOF According to the analysis results, the hysteretic and input energies obtained from 3 story and 8 story MRF and DTBF agreed well with the results from analysis of equivalent SDOF systems. However in the 20 story BRBF the results from ESDOF underestimated those obtained from the original structures.
Keywords
hysteretic energy; seismic input energy; buckling restrained braced frame; equivalent SDOF;
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  • Reference
1 Housner, George, Limit design of structures to resist earthquakes, Proceedings of the First World Conference on Earthquake Engineering, Berkeley, California, 1956
2 Chopra, A.K., Dynamics of Structures, Prentice Hall, 1995
3 Yamaguchi, M., Yamada, S., Wada, A., Ogihara, M., Narikawa, M., Takeuchi, T., and Maeda, Y., Earthquake resistant performance of moment resistant steel frames with damper. Proceedings of the Third International Conference STESSA, Montreal, Canada, 2000
4 Chou, C.C., and Uang, C.M., 'Evaluation of site-specific energy demand for building structures', Seventh U.S. National Conference on Earthquake Engineering, Boston, Massachusetts, 2002
5 Clark, P.W., Aiken, I.D., Tajirian, F.F., Kasai, K., Ko, E., and Kimura, I., Design procedures for buildings incorporating hysteretic damping devices, Int. Post-SmiRT Conf. Seminar on Seismic Isolation, Passive Energy Dissipation and Active Control of Vibrations of Structures, Cheju, South Korea, 1999
6 Priestley, M.J.N., and Kowalsky, M.J., 'Direct displacement-based seismicdesign of concrete buildings', Bulletin of the New Zealand National Society for Earthquake Engineering, Vol.33, No.4, 2000, pp.421-444
7 Zahrah, T., and Hall, J., 'Earthquake energy absorption in SDOF structures', Journal of Structural Engineering, Vol.110, No.8, 1984, pp.1757-1772   DOI   ScienceOn
8 ATC, 'Seismic evaluation and retrofit of concrete buildings', ATC-40, Applied Technology Council, Redwood City, California, 1996
9 Mahin, S.A. and Lin, J., 'Inelastic response spectra for single degree of freedom systems', Dept. of Civil Engineering, University of California, Berkeley, 1983
10 Tsai, K.C., and Li, J.W., 'DRAIN2D+, A general purpose computer program for static and dynamic analyses of inelastic 2D structures supplemented with a graphic processor', Report No. CEER/R86-07, National Taiwan University, Taipei, Taiwan, 1997
11 Huang, Y.H., Wada, A., Sugihara, H., Narikawa, M., Takeuchi, T., and Iwata, M., Seismic performance of moment resistant steel frame with hysteretic damper, Proceedings of the Third International Conference STESSA, Montreal, Canada, 2000
12 Uang, C.M., and Bertero, V.V., “Use of energy as a design criterion in earthquake-resistant design”, Report No. UCB/EERC-88/18, Earthquake Engineering Research Center, University of California at Berkeley, 1988
13 Valles, R.E., Reinhorn, A.M., Kunnath, S.K., Li, C., and Madan, A., 'IDARC 2D version 4.0 : A computer program for the inelastic damage analysis of buildings', Technical Report NCEER -96-0010, National Center for Earthquake Engineering Research, State University of New York at Buffalo, 1996
14 Chopra, A.K., and Goel, R.K., 'Direct displacement-based design:Use ofinelastic vs. elastic design spectra', Earthquake Spectra, Vol.17, No.1, 2001, pp.47-64   DOI   ScienceOn
15 Somerville, P., Smith, H., Puriyamurthala, S., and Sun, J., 'Development of Ground Motion Time Histories for Phase 2 of the FEMA/SAC Steel Project', SAC Joint Venture, SAC/BD- 97/04, 1997