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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. I: Experiments

J. Struct. Eng. 137, 1527 (2011); http://dx.doi.org/10.1061/(ASCE)ST.1943-541X.0000387 (13 pages)

Antonino Morassi

Professor, Dept. of Civil Engineering and Architecture, Univ. of Udine, 33100 Udine, Italy. E-mail: antonino.morassi@uniud.it

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(Submitted 30 December 2009; accepted 14 January 2011; posted ahead of print 18 January 2011)

Nondestructive dynamic methods are a useful tool in structural engineering. Their purpose is twofold. First, they provide guidance on the validation of a mathematical model of the structure under investigation. Second, repeated tests over time can indicate the emergence of possible damage occurring during the structure’s lifetime. Recent technological progress has generated extremely accurate and reliable experimental methods, enabling a good estimate of dynamic behavior of a structural system. Although experimental techniques are now well-established, the interpretation of measurements still lags somewhat behind. This particularly concerns structural identification due to its nature of inverse problem. In addition, when identification techniques are applied to the study of real-world structures, additional obstacles arise given the complexity of the structural behavior, the inaccuracy of the analytical models used to interpret experiments, measurement errors, and incomplete field data. This study discusses some of these aspects with reference to a series of harmonic forced-vibration tests carried out on the new headquarters of the Hypo Bank (Tavagnacco, northeast Italy). The special structural typology of the tilted building and the complex distribution of the resisting structural members have made interesting, and at the same time quite complicated, the interpretation of the real dynamic behavior of the construction. The present paper (Part I) is devoted to the experimental programme. The use of the measured dynamic data in the calibration of numerical models of the Hypo Bank complex is presented and discussed in Part II.

© 2011 American Society of Civil Engineers

Acknowledgments

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

Article Outline

  1. Introduction
  2. Description of the Building
  3. Test Procedures and Summary of Testing
  4. Modal Parameter Identification
  5. Building A
    1. Results and Comments
    2. Description of the Vibration Modes
  6. Building B
    1. Results and Comments
    2. Description of the Vibration Modes
  7. Conclusions

EDITORIALLY RELATED

  1. Dynamic Testing and Structural Identification of the Hypo Bank Office Complex. II: Identification
    Antonino Morassi et al.
    J. Struct. Eng. 137, 1540 (2011)JSENDH000137000012001540000001

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ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1061/(ASCE)ST.1943-541X.0000387

PUBLICATION DATA

ISSN

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

Publisher

American Society of Civil Engineers

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