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System Identification of Multi-Story Buildings with a Pair of Seismic Recordings

 System Identification of Multi-Story Buildings with a Pair of Seismic Recordings
Auteur(s): ,
Présenté pendant IABSE Workshop: Safety, Failures and Robustness of Large Structures, Helsinki, Finland, 14-15 February 2013, publié dans , pp. 268-275
DOI: 10.2749/222137813807018845
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This study presents system identification of ten-story Millikan Library in Pasadena, California with a pair of the Yorba Linda earthquake of September 3, 2002. The fundamental of the proposed appro...
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Détails bibliographiques

Auteur(s):

Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Workshop: Safety, Failures and Robustness of Large Structures, Helsinki, Finland, 14-15 February 2013
Publié dans:
Page(s): 268-275 Nombre total de pages (du PDF): 8
Page(s): 268-275
Nombre total de pages (du PDF): 8
Année: 2013
DOI: 10.2749/222137813807018845
Abstrait:

This study presents system identification of ten-story Millikan Library in Pasadena, California with a pair of the Yorba Linda earthquake of September 3, 2002. The fundamental of the proposed approach is based on wave features of generalized impulse and frequency response function (GIRF or GFRF), i.e., wave response at one structural response location to an impulsive motion at another reference location in time and frequency domains respectively. With a pair of seismic recordings at the two locations, GIRF/GFRF is obtainable. With a continuous-discrete model for the structure, a closed-form solution of GFRF, and subsequent GIRF with Fourier transformation of GFRF, can also be found in terms of structural physical properties above the impulse location. Matching the two sets of GIRF/GFRF from recordings and the model helps identify system parameters such as wave velocity or shear modulus.