Ambient Vibration Testing and Field Investigations of Two Historical Buildings in Europe
Date Issued
2020-06-10
Author(s)
Ehsan Noroozinejad Farsangi, Aleksandra Bogdanovic, Zoran Rakicevic, Angela Poposka and Marta Stojmanovska
DOI
DOI:10.32604/sdhm.2020.010564
Abstract
In this study, the methodology and results of ambient vibration-based
investigations of the historical Tash Mosque in Kosovo and a 3-story historical
building in Bulgaria are presented. The investigations include full-scale in situ
testing of both structures due to ambient vibrations induced by micro-seismic,
wind, traffic, and other human activities. To this aim, Ranger seismometers and
Kinemetric products were used. Measurements were performed in both horizontal
directions in several points along the structures’ height utilizing a high-speed data
acquisition device. All recorded data have been analyzed and processed by the
software developed at IZIIS, and then the processed data were used as input
for modal analysis. The basic assumption is that the excitation can be considered
as a stationary random process to have a relatively flat spectrum. The paper
clearly describes the procedure used for investigations and presents the dynamic
properties of the whole structures. The investigated structures are both historical
buildings and defined as architectural heritage and the outcome of this study
including the natural vibration frequencies and mode shapes) can be very beneficial
for the verification stage of the analytical/numerical models for future retrofitting/
rehabilitation schemes.
investigations of the historical Tash Mosque in Kosovo and a 3-story historical
building in Bulgaria are presented. The investigations include full-scale in situ
testing of both structures due to ambient vibrations induced by micro-seismic,
wind, traffic, and other human activities. To this aim, Ranger seismometers and
Kinemetric products were used. Measurements were performed in both horizontal
directions in several points along the structures’ height utilizing a high-speed data
acquisition device. All recorded data have been analyzed and processed by the
software developed at IZIIS, and then the processed data were used as input
for modal analysis. The basic assumption is that the excitation can be considered
as a stationary random process to have a relatively flat spectrum. The paper
clearly describes the procedure used for investigations and presents the dynamic
properties of the whole structures. The investigated structures are both historical
buildings and defined as architectural heritage and the outcome of this study
including the natural vibration frequencies and mode shapes) can be very beneficial
for the verification stage of the analytical/numerical models for future retrofitting/
rehabilitation schemes.
Subjects
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