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Finite element modeling of plastic hinges based on ductility demand-capacity method using nonlinear material for dynamic analysis

Abstrakt

The article discusses modeling plastic hinges in reinforced concrete interme-diate supports using finite elements methods. The ductility demand-capacitymethod was used to determine the geometrical parameters of cross-section plas-ticization zones, their ability to move and rotate, as well as their ductility. Dueto the varied geometry and stiffness of the supports and their nonlinear behav-ior under dynamic load, this method was concluded to be imperfect. Therefore,an improved algorithm was proposed by determining the main parameters ofplastic hinges depending on the degree of concrete degradation according toLubliner’s assumptions. The new algorithm has been implemented in the formof mathematical equations. It was subsequently used, at the structure designstage, to perform numerical calculations based on the finite element method.

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Wersja publikacji
Accepted albo Published Version
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1002/nme.7170
Licencja
Creative Commons: CC-BY otwiera się w nowej karcie

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING nr 124, strony 1434 - 1473,
ISSN: 0029-5981
Język:
angielski
Rok wydania:
2023
Opis bibliograficzny:
Grębowski K., Wilde K., Miśkiewicz M.: Finite element modeling of plastic hinges based on ductility demand-capacity method using nonlinear material for dynamic analysis// INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING -Vol. 124,iss. 6 (2023), s.1434-1473
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1002/nme.7170
Źródła finansowania:
  • COST_FREE
Weryfikacja:
Politechnika Gdańska

wyświetlono 103 razy

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