Comparison of computed and measured dynamic characteristics of industrial chimney by GPS technology
Tadeusz Chmielewski
Department of Structural Mechanics; Faculty of Civil Engineering; Opole University of Technology (Poland)
Piotr Górski
Department of Structural Mechanics; Faculty of Civil Engineering; Opole University of Technology (Poland)
https://orcid.org/0000-0001-9355-3410
Peter Breuer
Stuttgart University of Applied Sciences; Stuttgart, Germany (Germany)
Eduard Konopka
Stuttgart University of Applied Sciences; Stuttgart, Germany (Germany)
Abstract
In the paper, the theoretical natural vibration frequencies and mode shapes of the chimney with and without the flexibility of soil were compared with the experimental results of two field tests carried out in December 2008 and in May 2011 by using GPS technology. Three GPS rover receivers were installed at three various levels. The GPS was able to measure only the first natural frequencies and mode shapes of the chimney. The damping ratios and maximum displacements of the chimney using the band-pass filtering technique for both tests were also determined. The measured dynamic characteristics are important for the assessment of the technical state of the chimney. The estimated dynamic characteristics, using GPS measurements, are compatible with the computed results.
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Authors
Tadeusz ChmielewskiDepartment of Structural Mechanics; Faculty of Civil Engineering; Opole University of Technology Poland
Authors
Piotr GórskiDepartment of Structural Mechanics; Faculty of Civil Engineering; Opole University of Technology Poland
https://orcid.org/0000-0001-9355-3410
Authors
Peter BreuerStuttgart University of Applied Sciences; Stuttgart, Germany Germany
Authors
Eduard KonopkaStuttgart University of Applied Sciences; Stuttgart, Germany Germany
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