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Stanovenie miery oslabenia závesu pomocou dynamického merania

Determination of Cable Weakening using Dynamic Measurement

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S31P05_Bezrucova.pdf (1.064Mb)
Date
2021-11-29
Author
Bezručová, Kristína
Nečas, Radim
Altmetrics
10.13164/juniorstav.2022.224
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Abstract
Paper discusses the possibilities of measuring the dynamic response of cables to impulse excitation. Basic relations between cable force and natural frequency of cable and conditions of use on real structures are mentioned. Methods are applied on a pedestrian bridge in Napajedla. The aim of the measurement was to determine the cable force and to evaluate their condition and stress based on the dynamic response.
 
Článok pojednáva o možnostiach merania dynamickej odozvy závesov na budenie impulzom. Uvedené sú základné vzťahy medzi silou v lane a vlastnou frekvenciou kmitania závesu a podmienky použitia týchto vzťahov na skutočnej konštrukcii. Poznatky sú následne aplikované na lávke pre chodcov v meste Napajedla. Cieľom merania bolo stanovenie veľkosti sily v závesoch, zhodnotenie ich stavu a namáhania na základe dynamickej odozvy.
 
Keywords
String oscilation, natural frequencies, cable force, cross - sectional weakening, pedestrian bridge, Kmitanie strún, vlastné frekvencie, sila v závese, oslabenie prierezu, lávka pre peších
Persistent identifier
http://hdl.handle.net/11012/203437
Document type
Peer reviewed
Document version
Final PDF
Source
Juniorstav 2022 – sborník příspěvků, s. 224-230. ISBN 978-80-86433-76-9.
DOI
10.13164/juniorstav.2022.224
Collections
  • Juniorstav 2022 [113]
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