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Full-scale Fatigue Simulations for Reinforced Concrete Bridge Slabs with Multi-scale FEM System with Solid-Liquid Two Phase Model

Full-scale Fatigue Simulations for Reinforced Concrete Bridge Slabs with Multi-scale FEM System with Solid-Liquid Two Phase Model
Auteur(s): , , , ,
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Présenté pendant IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022, publié dans , pp. 1668-1675
DOI: 10.2749/prague.2022.1668
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This paper presents fatigue analysis studies with a full-scale bridge model with multi-scale integrated analysis and a study of the disintegration progress on the upper surface of bridge deck slabs...
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Détails bibliographiques

Auteur(s): (The University of Tokyo, Tokyo, Japan)
(The University of Tokyo, Tokyo, Japan)
(The University of Tokyo, Tokyo, Japan)
(The University of Tokyo, Tokyo, Japan)
(Coms Engineering Corporation, Tokyo, Japan)
Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Challenges for Existing and Oncoming Structures, Prague, Czech Republic, 25-27 May 2022
Publié dans:
Page(s): 1668-1675 Nombre total de pages (du PDF): 8
Page(s): 1668-1675
Nombre total de pages (du PDF): 8
DOI: 10.2749/prague.2022.1668
Abstrait:

This paper presents fatigue analysis studies with a full-scale bridge model with multi-scale integrated analysis and a study of the disintegration progress on the upper surface of bridge deck slabs. A full-scale bridge model considering one span of reinforced concrete (RC) decks on steel girders was developed, and it was shown that the relationship between the fatigue lives of the full- scale model and the single-panel model can be reversed whether the condition is dry or wet. Fatigue damage propagation can originate from internal horizontal cracks under wet conditions. In addition, a numerical analysis of fatigue using a disintegration propagation model was conducted, and it reproduced the behavior and damage progress in actual structures. With the sensitivity analyses with various parameters, the dominant factor governing the disintegration progress on the RC slabs was determined, which can be applied to the prediction of disintegration progress.
Copyright: © 2022 International Association for Bridge and Structural Engineering (IABSE)
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