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Journal of Structural Engineering / Volume 137 / Issue 12 / TECHNICAL PAPERS

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Dynamic Testing and Structural Identification of the Hypo Bank Office Complex. II: Identification

J. Struct. Eng. 137, 1540 (2011); http://dx.doi.org/10.1061/(ASCE)ST.1943-541X.0000399 (13 pages)

Antonino Morassi1 and Francesco Polentarutti2

1Professor, Dept. of Civil Engineering and Architecture, Univ. of Udine, 33100 Udine, Italy (corresponding author). E-mail: antonino.morassi@uniud.it
2Structural Engineering, Dept. of Civil Engineering and Architecture, Univ. of Udine, 33100 Udine, Italy.

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(Submitted 30 December 2009; accepted 16 February 2011; posted ahead of print 18 February 2011)

The Hypo Bank headquarters complex, a structure formed by two adjacent seven-story buildings, was subjected to a series of harmonic forced vibration tests in August 2005. In Part I of this research, the natural frequencies, damping factors, and three-dimensional shapes of the first vibration modes of each building were estimated. In this paper, the experimental characteristics are compared with those predicted by a preliminary finite-element model. The properties of vibration modes with prevailing amplitudes along the longer side of the complex are described with poor precision. This large disagreement has suggested that, in spite of the presence of the seismic joint between the two buildings, some coupling through the joint should be considered to predict the dynamic behavior of the whole complex reasonably well.

© 2011 American Society of Civil Engineers

Acknowledgments

The writers would especially like to acknowledge Dr. Gianni De Cecco (IN.AR.CO., Udine) for his interest and support regarding this research. The writers would also like to acknowledge the contributions to the research made by collaborators and students, in particular Drs. Antonio Colonnello, Nicola Rovere, and Stefano Tonon. The collaboration of Dr. Michele Dilena is also gratefully appreciated.

Article Outline

  1. Introduction
  2. Preliminary Finite-Element Modeling
    1. General Description
    2. Results: Building A
    3. Results: Building B
  3. Comparison between Experimental Results and Preliminary Model
  4. Finite-Element Model Identification: From the Preliminary Model to an Improved Model
    1. Preliminary Analysis
    2. Coupled Model
    3. Modal Analysis of Coupled Model
    4. Comparison with Experimental Results and Comments
    5. Improved Coupled Model
  5. Conclusions

EDITORIALLY RELATED

  1. Dynamic Testing and Structural Identification of the Hypo Bank Office Complex. I: Experiments
    Antonino Morassi
    J. Struct. Eng. 137, 1527 (2011)JSENDH000137000012001527000001

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ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1061/(ASCE)ST.1943-541X.0000399

PUBLICATION DATA

ISSN

0733-9445 (print)  
1943-541X (online)

Publisher

American Society of Civil Engineers

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