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Schadensidentifikation mit modalen Parametern: Anwendung auf extern vorgespannte Hohlkastenbrücken

With a focus on the monitoring of concrete bridges, this study evaluates 19 different methods under realistic constraints. Then, the detailed numerical model of an unbonded post-tensioned box-girder bridge is created. There, nonlinear material laws, which have been validated by laboratory tests, are...

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Sábháilte in:
Príomhchruthaitheoir: Haag, Björn
Formáid: Online
Teanga:Gearmáinis
Foilsithe / Cruthaithe: KIT Scientific Publishing 2021
Ábhair:
TA1-2040
modal-based
modalbasiert condition assessment
Zustandsbewertung
bridges
Brücken
thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
Rochtain ar líne:34541
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Achoimre:With a focus on the monitoring of concrete bridges, this study evaluates 19 different methods under realistic constraints. Then, the detailed numerical model of an unbonded post-tensioned box-girder bridge is created. There, nonlinear material laws, which have been validated by laboratory tests, are applied. Combining six different methods, the increase in cracking as a consequence of either the settlement of the pier or the decrease in the tension force can be assessed and localized.

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