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  • The paper deals with three types of concrete elements and their fatigue damage identification. Three reinforced concrete beams, four reinforced concrete slabs and two prestressed concrete slabs were investigated. They were loaded by static and dynamic fatigue loading during which the location of the damage was monitored and written down. The loading was applied in steps and after each step, the complete modal analysis was done. Modal characteristics were evaluated after each step of loading. Damage identification was done by three different methods based on the evaluated modal characteristics. Results of these methods were compared with written down real damage and suitability of each method was evaluated.
  • The paper deals with three types of concrete elements and their fatigue damage identification. Three reinforced concrete beams, four reinforced concrete slabs and two prestressed concrete slabs were investigated. They were loaded by static and dynamic fatigue loading during which the location of the damage was monitored and written down. The loading was applied in steps and after each step, the complete modal analysis was done. Modal characteristics were evaluated after each step of loading. Damage identification was done by three different methods based on the evaluated modal characteristics. Results of these methods were compared with written down real damage and suitability of each method was evaluated. (en)
  • V článku je popsána identifikace únavového poškození na třech různých typech betonových konstrukčních prvků. Byly zkoumány tři železobetonové trámy, čtyři železobetonové desky a dvě desky z předpjatého betonu. Prvky byly zatěžovány statickým a dynamickým únavovým zatížením, během kterého bylo sledována a zakreslována poloha a velikost poškození. Zatěžování probíhalo v několika krocích a po každém zatěžovacím kroku byla provedena modální analýza a byly vyhodnoceny modální charakteristiky. Identifikace poškození byla provedena pomocí tří metod. Výsledky jednotlivých metod byly porovnány se zakresleným skutečným poškozením. Na základě tohoto porovnání byla vyhodnocena vhodnost jednotlivých metod pro účely identifikace poškození. (cs)
Title
  • Fatigue Damage Identification on Concrete Structures Using Modal Analysis
  • Identifikace únavového poškození na betonových konstrukcích pomocí modální analýzy (cs)
  • Fatigue Damage Identification on Concrete Structures Using Modal Analysis (en)
skos:prefLabel
  • Fatigue Damage Identification on Concrete Structures Using Modal Analysis
  • Identifikace únavového poškození na betonových konstrukcích pomocí modální analýzy (cs)
  • Fatigue Damage Identification on Concrete Structures Using Modal Analysis (en)
skos:notation
  • RIV/68407700:21110/07:01136279!RIV08-GA0-21110___
http://linked.open.../vavai/riv/strany
  • 191;196
http://linked.open...avai/riv/aktivita
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  • P(GP103/05/P302)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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  • 421731
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21110/07:01136279
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • CAMOSUC; COMAC; cyclic loading; damage; damage detection; modal analysis; modal flexibility matrix; natural frequency; natural mode; prestressed concrete (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [52D9A7CD824A]
http://linked.open...v/mistoKonaniAkce
  • Puerto De La Cruz, Tenerife, Canary Islands
http://linked.open...i/riv/mistoVydani
  • Athens
http://linked.open...i/riv/nazevZdroje
  • Proceedings of the 3rd WSEAS International Conference on Applied and Theoretical Mechanics
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Plachý, Tomáš
  • Polák, Michal
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
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  • World Scientific and Engineering Society Press
https://schema.org/isbn
  • 978-960-6766-25-1
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  • 21110
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