Ambient vibration monitoring of slender structures by microwave interferometer remote sensing
Identifieur interne : 000041 ( Main/Exploration ); précédent : 000040; suivant : 000042Ambient vibration monitoring of slender structures by microwave interferometer remote sensing
Auteurs : Vassilis Gikas [Grèce]Source :
- Journal of Applied Geodesy [ 1862-9016 ] ; 2012-11-01.
Descripteurs français
- Wicri :
- topic : étude de cas, Génie civil.
English descriptors
- KwdEn :
- Ambient vibration monitoring, Available observations, Bridge deck, Bridge towers, Case study, Central greece, Central span, Civil engineering, Continuous observations, Damage detection, Data acquisition, Deformation monitoring, Different sensor, Displacement, Displacement pattern, Dominant frequencies, Dominant oscillation frequency, Dynamic behaviour, Dynamic displacements, Dynamic mode, Dynamic monitoring, Dynamic response, Engineering structures, Evia, Evia island, Evia island side, Evia side, Evripos bridge, Frequency response, Further analysis, Gikas, Health monitoring, Heavy truck, Heavy vehicle, Heavy vehicles, Horizontal displacement, Horizontal displacements, Individual events, Installation setup, Interferometry, Large structures, Long bridge, Main span, Microwave, Microwave interferometry, Microwave radar interferometry, Monitoring, Natural phenomena, Observation distance, Observation scenario, Oscillation, Oscillation frequencies, Peak displacements, Radar sensor, Resonance frequency, Same point, Same structure, Sampling frequency, Scenario, Sensor, Similar manner, Slender structures, Snapshot pictures, Structural health monitoring, Tall chimney, Time interval, Time intervals, Total length, Upper half, Vertical displacements, Video, Video camera recordings, Viotia evia, Wind load.
- Teeft :
- Ambient vibration monitoring, Available observations, Bridge deck, Bridge towers, Case study, Central greece, Central span, Civil engineering, Continuous observations, Damage detection, Data acquisition, Deformation monitoring, Different sensor, Displacement, Displacement pattern, Dominant frequencies, Dominant oscillation frequency, Dynamic behaviour, Dynamic displacements, Dynamic mode, Dynamic monitoring, Dynamic response, Engineering structures, Evia, Evia island, Evia island side, Evia side, Evripos bridge, Frequency response, Further analysis, Gikas, Health monitoring, Heavy truck, Heavy vehicle, Heavy vehicles, Horizontal displacement, Horizontal displacements, Individual events, Installation setup, Interferometry, Large structures, Long bridge, Main span, Microwave, Microwave interferometry, Microwave radar interferometry, Monitoring, Natural phenomena, Observation distance, Observation scenario, Oscillation, Oscillation frequencies, Peak displacements, Radar sensor, Resonance frequency, Same point, Same structure, Sampling frequency, Scenario, Sensor, Similar manner, Slender structures, Snapshot pictures, Structural health monitoring, Tall chimney, Time interval, Time intervals, Total length, Upper half, Vertical displacements, Video, Video camera recordings, Viotia evia, Wind load.
Abstract
This paper examines the potential of microwave radar interferometry for monitoring the dynamic behaviour of large civil engineering works. It provides an overview of the method, its principles of operation with particular emphasis given on the IBIS-S system. Two areas of application are considered and the results of the analyses are presented and discussed. The first experimental study involves the monitoring of the dynamic response of a tall power plant chimney due to wind load. The second example examines the dynamic behaviour of a long cable-stayed bridge. In this case, the focus is placed on the effects that individual traffic events impose on the vibration response of the main span of the bridge deck and the bridge pylons. Analysis of the results provides detailed displacement time-histories and the dominant frequencies observed at the top of the chimney and along the bridge deck and the top of the towers. Also, cross-comparisons and discussions with the results obtained at the same structures using different sensor configurations are provided.
Url:
DOI: 10.1515/jag-2012-0029
Affiliations:
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frequencies</term><term>Dominant oscillation frequency</term><term>Dynamic behaviour</term><term>Dynamic displacements</term><term>Dynamic mode</term><term>Dynamic monitoring</term><term>Dynamic response</term><term>Engineering structures</term><term>Evia</term><term>Evia island</term><term>Evia island side</term><term>Evia side</term><term>Evripos bridge</term><term>Frequency response</term><term>Further analysis</term><term>Gikas</term><term>Health monitoring</term><term>Heavy truck</term><term>Heavy vehicle</term><term>Heavy vehicles</term><term>Horizontal displacement</term><term>Horizontal displacements</term><term>Individual events</term><term>Installation setup</term><term>Interferometry</term><term>Large structures</term><term>Long bridge</term><term>Main span</term><term>Microwave</term><term>Microwave interferometry</term><term>Microwave radar interferometry</term><term>Monitoring</term><term>Natural phenomena</term><term>Observation distance</term><term>Observation scenario</term><term>Oscillation</term><term>Oscillation frequencies</term><term>Peak displacements</term><term>Radar sensor</term><term>Resonance frequency</term><term>Same point</term><term>Same structure</term><term>Sampling frequency</term><term>Scenario</term><term>Sensor</term><term>Similar manner</term><term>Slender structures</term><term>Snapshot pictures</term><term>Structural health monitoring</term><term>Tall chimney</term><term>Time interval</term><term>Time intervals</term><term>Total length</term><term>Upper half</term><term>Vertical displacements</term><term>Video</term><term>Video camera recordings</term><term>Viotia evia</term><term>Wind load</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Ambient vibration monitoring</term><term>Available observations</term><term>Bridge deck</term><term>Bridge towers</term><term>Case study</term><term>Central greece</term><term>Central span</term><term>Civil engineering</term><term>Continuous observations</term><term>Damage detection</term><term>Data acquisition</term><term>Deformation monitoring</term><term>Different sensor</term><term>Displacement</term><term>Displacement pattern</term><term>Dominant frequencies</term><term>Dominant oscillation frequency</term><term>Dynamic behaviour</term><term>Dynamic displacements</term><term>Dynamic mode</term><term>Dynamic monitoring</term><term>Dynamic response</term><term>Engineering structures</term><term>Evia</term><term>Evia island</term><term>Evia island side</term><term>Evia side</term><term>Evripos bridge</term><term>Frequency response</term><term>Further analysis</term><term>Gikas</term><term>Health monitoring</term><term>Heavy truck</term><term>Heavy vehicle</term><term>Heavy vehicles</term><term>Horizontal displacement</term><term>Horizontal displacements</term><term>Individual events</term><term>Installation setup</term><term>Interferometry</term><term>Large structures</term><term>Long bridge</term><term>Main span</term><term>Microwave</term><term>Microwave interferometry</term><term>Microwave radar interferometry</term><term>Monitoring</term><term>Natural phenomena</term><term>Observation distance</term><term>Observation scenario</term><term>Oscillation</term><term>Oscillation frequencies</term><term>Peak displacements</term><term>Radar sensor</term><term>Resonance frequency</term><term>Same point</term><term>Same structure</term><term>Sampling frequency</term><term>Scenario</term><term>Sensor</term><term>Similar manner</term><term>Slender structures</term><term>Snapshot pictures</term><term>Structural health monitoring</term><term>Tall chimney</term><term>Time interval</term><term>Time intervals</term><term>Total length</term><term>Upper half</term><term>Vertical displacements</term><term>Video</term><term>Video camera recordings</term><term>Viotia evia</term><term>Wind load</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>étude de cas</term><term>Génie civil</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This paper examines the potential of microwave radar interferometry for monitoring the dynamic behaviour of large civil engineering works. It provides an overview of the method, its principles of operation with particular emphasis given on the IBIS-S system. Two areas of application are considered and the results of the analyses are presented and discussed. The first experimental study involves the monitoring of the dynamic response of a tall power plant chimney due to wind load. The second example examines the dynamic behaviour of a long cable-stayed bridge. In this case, the focus is placed on the effects that individual traffic events impose on the vibration response of the main span of the bridge deck and the bridge pylons. Analysis of the results provides detailed displacement time-histories and the dominant frequencies observed at the top of the chimney and along the bridge deck and the top of the towers. Also, cross-comparisons and discussions with the results obtained at the same structures using different sensor configurations are provided.</div></front></TEI><affiliations><list><country><li>Grèce</li></country></list><tree><country name="Grèce"><noRegion><name sortKey="Gikas, Vassilis" sort="Gikas, Vassilis" uniqKey="Gikas V" first="Vassilis" last="Gikas">Vassilis Gikas</name></noRegion><name sortKey="Gikas, Vassilis" sort="Gikas, Vassilis" uniqKey="Gikas V" first="Vassilis" last="Gikas">Vassilis Gikas</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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