Spectral Ground Motion Intensity Based on Capacity and Period Elongation
Publication: Journal of Structural Engineering
Volume 137, Issue 3
Abstract
Ground motion intensity parameters are used to express the relationship between expected structural damage and the seismic forces imposed. The graphical representation of damage probability as a function of ground motion intensity leads to fragility curves that are generally used in loss estimation studies. The most typical parameters used to represent the ground motion intensity are peak ground acceleration, peak ground velocity, spectral acceleration, and spectral displacement. Other parameters obtained from the ground motion trace and response spectra have been recommended in literature, but no consensus on which intensity parameter to use exists because of the various drawbacks of these ground motion intensities. A new spectrum ground motion intensity parameter that relies on the expected elongated period of the structure under seismic forces has been developed. This intensity measure takes into account the approximate yield capacity of the structure and the area between the fundamental and elongated period of the structure under the elastic response spectrum of the given ground motion. The correlation of this intensity measure with the calculated demand parameter, maximum interstory drift in our case, is investigated for a set of 100 ground motion records in order to verify its accuracy. This intensity measure is primarily proposed for the selection of ground motions to be used for the analyses of individual structures that are desired to respond at various levels of nonlinearity.
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References
Abrahamson, N. A., and Shedlock, K. M. (1997). “Overview.” Seismol. Res. Lett., 68(1), 9–23.
Akkar, S., and Ozen, O. (2005). “Effect of peak ground velocity on deformation demands for SDOF systems.” Earthquake Eng. Struct. Dyn., 34(13), 1551–1571.
ASCE. (2000). “Prestandard and commentary on the seismic rehabilitation of buildings.” Rep. No. FEMA 356, Washington, DC.
Applied Technology Council (ATC). (1996). “Seismic evaluation and retrofit of concrete buildings.” Rep. No. ATC-40, Vol. 1, California Seismic Safety Commission, Sacramento, CA.
Applied Technology Council (ATC). (2005). “Improvement of nonlinear static seismic analysis procedures.” Rep. No. FEMA 440, California Seismic Safety Commission, Sacramento, CA.
Cabanas, L., Benito, B., and Herraiz, M. (1997). “An approach to the measurement of the potential structural damage of earthquake ground motions.” Earthquake Eng. Struct. Dyn., 26(1), 79–92.
Cordova, P. P., Deierlein, G. G., Mehanny, S. S. F., and Cornell, C. A. (2000). “Development of a two-parameter seismic intensity measure and probabilistic assessment procedure.” Proc., 2nd U.S.-Japan Workshop on Performance-Based Earthquake Engineering, Pacific Earthquake Engineering Research Center, College of Engineering, University of California, Berkeley, CA, 195–214.
DiPasquale, E., and Cakmak, A. S. (1987). “Detection and assessment of seismic structural damage.” Rep. No. NCEER-87-0015, National Center for Earthquake Engineering Research, State Univ. of New York, Buffalo, NY.
DiPasquale, E., and Cakmak, A. S. (1988). “Identification of the serviceability limit state and detection of seismic structural damage.” Rep. No. NCEER-88-0022, National Center for Earthquake Engineering Research, State Univ. of New York, Buffalo, NY.
Electric Power Research Institute (EPRI). (1998). “A criterion for determining exceedence of the operating basis earthquake.” EPRI NP-5930, Electrical Power Research Institute, Palo Alto, CA.
Gülkan, P., and Sözen, M. A. (1974). “Inelastic response of reinforced concrete structures to earthquake motions.” ACI J., 71(6), 604–610.
Housner, G. W. (1952). “Spectrum intensity of strong-motion earthquakes.” Proc., Symp. on Earthquakes and Blast Effects on Structures, Earthquake Engineering Research Institute, El Cerrito, CA, 20–36.
International Conference of Building Officials (ICBO). (1982). Uniform building code, Whittier, CA.
Kadas, K. (2006). “Influence of idealized pushover curves on seismic response.” M.S. thesis, Dept. of Civil Engineering, Middle East Technical Univ., Ankara, Turkey.
Kadas, K., Binici, B., and Yakut, A. (2006). “Influence of capacity curve approximations on seismic response.” Proc., First European Conf. on Earthquake Engineering and Seismology, European Association for Earthquake Engineering, Istanbul, Turkey, Paper No. 1033.
Kazaz, I., and Yakut, A. (2006). “Estimation of global displacement on the basis of spectral acceleration.” Proc., 7th Int. Congress on Advances in Civil Engineering, Yildiz Technical Univ., Istanbul, Turkey.
Lepage, A. (1997). “A method for drift-control in earthquake-resistant design of RC building structures.” Ph.D. thesis, Dept. of Civil Engineering, Univ. of Illinois at Urbana-Champaign, Urbana, IL.
Liao, W., Loh, C., and Wan, S. (2001). “Earthquake responses of RC moment frames subjected to near-fault ground motions.” Struct. Des. Tall Build., 10(3), 219–229.
Malhotra, P. K. (2002). “Cyclic-demand spectrum.” Earthquake Eng. Struct. Dyn., 31(7), 1441–1457.
Ozturk, B. M. (2003). “Seismic drift response of building structures in seismically active and near-fault regions.” Ph.D. thesis, Dept. of Civil Engineering, Purdue Univ., West Lafayette, IN.
Roufaiel, M. S. L., and Meyer, C. (1987). “Reliability of concrete frames damaged by earthquakes.” J. Struct. Eng., 113(3), 445–457.
OpenSees 1.7.0 [Computer software]. University of California, Berkeley, CA, 〈http://opensees.berkeley.edu〉.
Von Thun, J. L., Rochim, L. H., Scott, G. A., and Wilson, J. A. (1988). “Earthquake ground motions for design and analysis of dams.” Earthquake Eng. Soil Dyn. II—Recent Advances in Ground-Motion Evaluation (GSP 20), ASCE, New York, 463–481.
Williams, M. S., and Sexsmith, R. G. (1995). “Seismic damage indices for concrete structures: A state-of-the Art review.” Earthquake Spectra, 11(2), 319–349.
Yakut, A. (2004). “Preliminary seismic performance assessment procedure for existing RC buildings.” Eng. Struct., 26(10), 1447–1462.
Yakut, A., and Yilmaz, H. (2007). “Evaluation of spectral ground motion intensity parameters.” Proc., 8th Pacific Conf. on Earthquake Engineering, New Zealand Society for Earthquake Engineering, Wellington, New Zealand, Paper No. 036.
Yakut, A., and Yilmaz, H. (2008). “Correlation of deformation demands with ground motion intensity.” J. Struct. Eng., 134(12), 1818–1828.
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© 2011 American Society of Civil Engineers.
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Received: Jun 9, 2008
Accepted: Jun 5, 2009
Published online: Feb 15, 2011
Published in print: Mar 1, 2011
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